INDEX*

Agama, 73. Tab. 20. Basal plate, 81, 82, 84. Ala temporalis, 85. — process, stapes, 10, 40, 60. Fig. 13. Alicochlear commisure, 82, 83. Basicranial fenestra, 84. Alisphenoid, 72, 99, 110-113. Fig. 25. Tabs. — process, 11, 14, 15, 17, 65, 67, 75, 88. Figs. 29, 34. 6,22. Tab. 22. Allotheria, 124. Fig. 27. Basicranium, 11,14,62,64,71,77,78, 109. Fig. Alopecosauridae, Fig. 27. 21. Amphitheriidae, Fig. 27. Basidorsals, 84. Ampullae, 9, 10, 27, 28, 33-34. Fig. 10. Basioccipital tubera, 10,62, 89, 92, 97. Fig. 22. Ampullar recess, 26, 28,33-34. Basioccipitalia, 9, 11, 12, 13, 14, 15, 32, 33, 55, Angular, 9, 39, 48, 52, 54, 56-59. Fig. 15. 62, 63, 64, 65, 66, 67, 68, 69, 77, 78, 84, 89, Tab. 17. 92, 93, 97, 99, 101, 114. Figs. 5, 6, 13, 22. — notch, 9, 48, 89, 98, 119. Figs. 14, 15, 22. Tabs. 18, 22, 24, 31, 32, 33, 34. Tab. 22. Basipterygoid process, 9, 65, 67, 68, 69, 71, 72, — process, 54, 59, 98. Fig. 22. Tab. 22. 74, 75, 97, 100. Fig. 22. Tabs. 22, 34. Anningia, 86, 94, 119. Basisphenoid, 11, 13, 15, 62, 64, 67, 68, 71, 72, Anomodont A. 74, 75, 77, 78, 83, 84, 89, 92, 94, 100, 101. description, 1. Fig. 22. Tab. 22. reconstruction, Fig. 1. Basisphenoid-parasphenoid, 11, 12, 13,64-76. Anomodont B Figs. 5, 6, 20, 21. Tab. 19. description, 2. Basitrabecular process, 83, 84. reconstruction, Fig. 2. Bauriamorpha, 86, 98, 119-120, 122, 123, 125. Anomodont C Fig. 27. description, 2. Birds, 108. reconstruction, Fig. 2. Bony fish, 73. Anomodont D Brachyprosopus broomi, 2. Fig. 2. description, 2. Brain, 78, 106-110, 125. Figs. 24, 26. lateral aspect, Fig. 1. Brazil, 122. Anomodont E Bridge, of pons, 9, 109. Fig. 24. description, 2. Broom, Robert, classification of mammals, reconstruction, Fig. 2. 80-81. Anomodont F Burnetiamorpha, 120, 122. Fig. 27. description, 2. reconstruction, Fig. 2. Canalicular region, inner ear, 81, 82, 92, 93, 99, Anomodont G 100. Figs. 9, 10, 22. Tab. 34. description, 5. Canis, 114. Figs. 11, 23, 26. Tab. 31. Anomodont H Cape Province, 2, 5. description, 5. Captorhinomorpha, Fig. 27. reconstruction, Fig. 2. Captorkinus, 1, 60, 64, 72, 73, 74, 75, 76, 77, Anomodontia, 13,16, 29, 43, 69, 71, 76. 94, 100, 101. Tabs. 20, 35. Anterodorsal process, periotic, 10, 11, 16, 17. Carnivora, 78. Anteroventral process, periotic, 10,11,12,15,17. Cave sandstone, Fig. 27. Anthropoids, 104. Cavum epipterycum, 110. Antotic region, 94. Ceratohyal, 55, 61. Arctognathus, 80, 110. Cerebellum, 108, 109, 125. Articular, 39, 41, 42, 44-47, 48, 50-51, 55, 56, Cerebral artery, 75. 100. Fig. 14. Tabs. 14,34. Cerebrum, 110. Artiodactyla, 78. Cetacea, 78. Ascending process, alisphenoid, 110, 112. Chiroptera, 78. Auditory ossicles, 39, 50. Chondrocranium, 81-86.

* Figures in boldface type indicate detailed descriptions. 131

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Chorda tympani, 56, 59. Dinocephalia, 86, 96, 118-119, 120. Fig. 27. Chrysochloridae, 78. Docodontidae, Fig. 27. Cisco, Fig. 27. Dorsal process, stapes, 41, 60. Cistecephalus zone, 5, 19, 22, 30, 34, 70, 89, 95, Dorsum sellae, 65, 68, 75, 114. 97, 98, 120, 122. Fig. 27. Dryolestidae, Fig. 27. Clear Fork, 1. Fig. 27. Cochlea, 9, 24, 27,119. Fig. 11. Echidna, 108. Cochlear prominence, 53. Ectopterygoid, 73, 75. — recess, 24. Edaphosauria, Fig. 27. — region, 81, 82, 84. Tab. 22. Edentata, 78. Columella auris, 39, 55. Embolomeres, 60, 61. — cranii, 110, 112. Emydopidae, Fig. 27. Coronoids, 47. Emydops, 5. Cotylosauria, 37, 41, 74. Fig. 27. Endolymphatic duct, 25, 26, 33. Cranial casts, 106. Figs. 24, 26. — recess, 29. — nerves — sac, 26. I, 107 — system, 10. II, 110. Endothiodon zone, 2, 5, 8, 19, 21, 22, 30, 34, 70, VI, 17,107,110. 120. Fig. 27. V2, 107, 112. Eosuchia, 74, 98. VII, 10,26,38. Figs. 10,24. Tab. 22.Eothyridae, Fig. 27. VIII, 26. Epihyal, 55. X , 10. Epipterygoid, 10, 15, 16, 17, 65, 67, 69, 71, 72, XII, 10. Fig. 24. 85, 97,99,100, 110,119. Figs. 5, 6, 22, 25. Crista parotica, 9, 41!, 53; 54. Tabs. 22, 34. Croneis, Carey, vi. Erinaceus, 59, 100, 104, 105. Figs. 23, 26. Crossopterygians, 60, 61, 77. Eutheria, 124. Crus communis canalium, 9, 18, 25, 26, 28, 29, Exoccipitalia, 9, 11, 13, 15, 62, 63. Figs. 5, 6, 30, 33, 34, 35, 100. Figs. 5, 6, 9, 10, 11. 21. Cynariops robustus, 5. External auditory meatus, 9, 54. Fig. 22. Cynodont A Extrastapedial, 39, 41, 54, 55, 56, 61. description, 7. — process, 41, 60. Figs. 12, 13. reconstruction, Fig. 4. Cynodont B Facial canal, 92-93. description, 8. — foramen, 26, 38. Figs. 5, 6. reconstruction, Fig. 4. Fairy Dale, 7. Cynodontia, 15, 17, 28, 43, 67, 71. Fig. 27. Felis, 105, 110. Figs. 23, 25, 26. Tab. 31. Cynognathus, 98. Fenecus, Fig. 23. — zone, 122. Fig. 27. Fenestra ovalis, 10,11,13,15, 24, 27, 29, 31, 32, Cyonosaurus, 5,95. 40, 53, 62, 82, 89, 92, 99, 100, 101, 119. Figs. 5, 6, 9, 10, 13, 19, 22. Tabs. 26, 27, Dentary, 2, 9, 47, 48, 55, 60, 61, 100, 120. 34. Figs. 16, 17. — rotunda, 31, 32. Dentition, 92, 95, 124, 125. Tabs. 22, 34. Fissure metotica, 10, 29. Fig. 6. Dermoptera, 78. Floccular fossa, 10, 26, 28, 33, 36-38, 92, 96, Diadectes, 1, 60, 61. 99, 105, 106. Figs. 5, 6, 9, 10, 22. Tabs. Diadectomorpha, Fig. 27. 12, 28, 34. Diademodon, 29. Flocculus, 102, 104, 105, 108. Fig. 24. Dicynodon, 110. Foramen Dicynodontia, 8, 121. Fig. 27. chorda tympani, 10, 56, 69. Fig. 16. Dicynodontoidea, Fig. 27. jugularis, 10,18, 24, 27, 31, 32, 62, 97. Figs. Didelphidae, Tab. 27. 5, 6, 9, 10, 22. Tab. 22. Didelphys, 57, 59, 75, 100, 110. Figs. 16, 25. magnum, 63. Dimetrodon, 1, 89. ovale, 10, 113. Figs. 22, 24.

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palatine branch of VII, 10. Labidosaurus, 72, 73, 74, 77. Tab. 20. rotundum, 112, 113. Labyrinth, 29,38, 93. Lagena-cochleae, 29. Galerhynchus, 95. Lateralhyal, 55. Galesaurus, 7, 8, 67, 91. Fig. 4. Leptotrachelus, 110. Gaupp, theory of, 56. Lepus, 105. Fig. 23. Gene complexes, 99. Lizards, 64, 73, 74, 83, 112. Genetics, 99. Lobe, of pons, 10,109. Fig. 24. Germ structures, 99. Lobus medius, of cerebellum, 108. Goniale, 10, 56, 57, 59, 60. Figs. 16, 17. Lower jaw, Figs. 14, 17. Gorgonopsia, 14, 16, 29, 43, 65, 71, 76. Figs. Lystrosauridae, Fig. 27. 22, 27. Lystrosaurus, 84, 120. Gorgonopsian A — zone, 7, 97, 120, 122, 125. Fig. 27. description, 5. reconstruction, Fig. 3. Macropus, 102, 114. Fig. 23. Gorgonopsian B Malleus, 39, 56, 60. description, 5. Mammalian pterygoid, 73, 74. lateral aspect, Fig. 3. Mandibular branch, cranial nerve V, 112. Gregory, William K., vi. Mammalness, 99, 100, 118, 123. Tabs. 25-35. Manubrium, of malleus, 39, 56. Hemispheres, of brain, 108, 109. Marsupialia, 78, 82, S3, 84, 124, 125. Fig. 27. Hottentot’s River, 1, 2, 6. Maxillary, 89. Hyomandibular, 55, 60, 61. — branch, cranial nerve V, 112. Hyostapes, 55. McGrew, Paul, 57. Fig. 17. Hypocentral condyle, 84. Meckel’s cartilage, 10, 56, 57, 59. Figs. 16, 17. Hypocentrum, 84. Medulla, 108, 109. Hypoglossal foramen, 10, 63. Figs. 5, 6, 21. Medullary region, 108. Hyracoidea, 78. Meniscus, pterygoideus, 83. Menotyphla, 78. Ictidosauria, 60, 86, 120, 122, 123, 124, 125. Mephitis, Fig. 23. Fig. 27. Mesethmoid, 10, 76, 77, 78, 79, 80, 83, 116. Ictidosuchidae, 123. Fig. 27. Fig. 21. Iguana, 16, 73. Tab. 20. Metotic fissure, 29. Figs. 6, 10. Incus, 39, 55, 56, 85. Middle ear, 39-64. Figs. 12, 13. Inferior process, stapes, 40, 41. Miller, Paul, 1. Infundibulum, 109. Fig. 24. Molteno beds, Fig. 27. Inner ear, 10-38. Figs. 9,10,11. Monodelphia, Fig. 27. Interfloccular area, 108. Monotremes, 73, 74, 78, 83, 84, 85, 108, 109, Internal auditory meatus, 10, 31, 106. Figs. 124, 125. 5, 6. Moore, Carl, 59. — carotid canal, 10, 65, 67, 68, 69, 75, 88. Multituberculates, 124, 125. Figs. 20, 21, 22. Murraysburg, 5. Internasal septum, 78, 79, 81, 82, 83. Mus, Fig. 11. Interorbital septum, 83. Mutations, 98. Interorbitonasal septum, 82, 83. Interparietal, 10. Fig. 6. Nasal capsules, 106,110. Insectivora, 78. Fig. 27. — septum, 80. — tracts, 77, 106, 110. Jugular canal, 60. Neotherida, 78, 80. Neotoma, Figs. 23,26. Kannemeyeria, 122. North America, 122. Kannemeyeriidae, Fig. 27. Nutrient foramina, 62. Karroo Basin, 1,120,122. Nyctibus, Fig. 11.

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Occipital arches, 84. 105, 112, 113, 114, 119. Figs. 5, 6, 13, 23. — condyles, 10,63,84,93,97,100. Figs. 18,19, Tab. 24. 22. Tabs. 22, 34. Perissodactyla, 78. — region, 61-64, 84. Permocyon, 54. Occiput, 89, 120. Pharyngeohyal, 55. Ophiacodontia, Fig. 27. Phoca, Fig. 11. Ophthalmic artery, 75. Pholidata, 78. Optic chiasma, 110. Pig, 57. Orange Free State, 7. Pila antotica, 11, 83, 85, 92, 94. Orbital cartilage, 78, 81, 83, 86-86. Pineal foramen, 10,98,120. — wall, 80. Placentals, 73, 82, 84, 125. Orbitosphenoid, 10, 65, 67, 69, 76-81, 100, 106, Placerías, 122. 110, 111, 116. Fig. 21. Plagiaulacoidea, 124. Fig. 27. “ Orbitosphenoid” cartilage, 16. Planum supraseptale, 78. Ornithorhynchus, 59. Pleurosphenoid, 11,15,16,17, 88,9 4 ,110. Tab. Orthogenesis, 99. 22. Osseous labyrinth, 10, 26, 28, 35. Tab. 11. Pons, 109. Fig. 24. Ossicles, 61. Postorbital, 120. Tab. 34. Ossiculum accessorium mallei, 60. Post-temporal fossa, 28. Otic capsules, 81-82,84. Prearticular, 10, 44, 45, 47, 52, 59, 60, 100, 119. — notch, 61. Fig. 14. Tabs. 15, 34. Otostapes, 40, 55, 56. Preoptic pillar, 78. Outer ear, Tab. 22. — root, 83. Preparietal, 10, 92, 94-95. Paauw’s cartilage, 39, 54, 55. Presphenoid, 10, 65, 67, 69, 76-81, 85, 92, 116, Palaeotherida, 78, 80. 119. Figs. 21, 22. Tab. 22. Palatine branch cranial nerve VII, 10, 69, 71, 73, 74. Figs. 20, 24. Prevomer, 73. Palatal fossae, 125. Primates, 78. — -basicranial articulation, 72. Pristerognathidae, 7. Fig. 27. Palatoquadrate, 60. Pristerognathus, 7. Palmer, hypothesis, 54. Probosddea, 78. Pantotheria, 124, 125. Fig. 27. Processus alaris, Tab. 21. Parabasal canal, 74. — ascendens, 84, 85. Paraflocculus, 104, 108. — Folii, 56. Parasphenoid, 10, 15, 62, 64-76, 119, 120. — gradlis, 56. Figs. 20, 21. Tab. 22. — intemus, stapes, 10, 55, 56. — basisphenoid, (See basisphenoid-parasphen- — longus, incus, 39. oid) Procolophon zone, Fig. 27. Parasphenoidal rostrum, 10, 65, 67, 69, 70, 71, Procyon, Fig. 11. 72, 76, 83. Figs. 20, 21. Tabs. 22, 34. Pro-lizards, 98. — wings, 65, 70,73-76, Fig. 20. Tabs. 20,22. Prootic, 16. Parietal, 10, 89. Figs. 5, 6. — incisure, 10, 11, 15, 16, 17, 18, 94, 107. Paroccipital process, 11, 13, 15, 42, 53, 60. Figs. 5, 6. Fig. 13. Protodonta, 120, 122, 123, 125. Fig. 27. Parotic crest, 55. Parrington, 69, 73-75. Prototheria, 124. Fig. 27. Paurodontidae, Fig. 27. Pteropus, 59. Fig. 11. Pelycosaurs, 8, 25, 37, 41, 55, 61, 72, 75, 89, Pterygoid, 10, 64, 65, 67, 69, 71, 72, 73, 75, 84, 91, 92, 95, 96, 112, 114. Fig. 22. Tab. 97, 100. Figs. 12, 21, 22. Tab. 34. 23. Pterygoideus, 55. Perilymphatic duct, 10, 27, 29, 32. Pterygoquadrate, 82, 83, 84-85. Periotic, 10, 11-17, 25, 28, 31, 32, 33, 42, 53, Ptilodontidae, Fig. 27. 62, 63, 65, 68, 75, 89, 92, 93-94, 102-104, Pyramids, 108. Fig. 24.

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Quadrate, 10, 13, IS, 39, 40, 41-43, 44, 45, 48- Squamosal, 10, 11, 13, 14, 15, 41, 112. Figs. 50, 55-56, 60, 61, 84, 85, 92, 100, 119. 12, 13. Figs. 12, 13, 22. Tabs. 13, 22, 34. Stapedial foramen, 10,40, 92. Figs. 12, 13, 22. — foramen, 43, 44. — process, quadrate, 10, 41, 43, 56. Figs. 13, — groove, squamosal, 41. 22. — ramus Stapes, 10,13, 27, 39-41, 53, 54, 55, 56,60,100, pterygoid, 42 114. Figs. 12, 13. Tab. 34. alisphenoid, 110, 112. Stereospondyls, 60. Quadratojugal, 10, 41, 43, 44, 50, 100. Figs. Stinkfontein, 2. 12,13. Tab. 34. Stormberg, Fig. 27. Subarcuate fossa, 105. Rat, 57. Fig. 17. Suborbital fossa, 120. Red Beds, Fig. 27. Supraocdpital, 10, 15, 16, 17, 63, 89. Figs. Reichert, theory, 39, 56. 5, 6, 21. Retroarticular process, articular, 39, 56. Surangular, 10, 44, 45, 47-48, 52, 60, 100, 119. Rhachitomes, 60. Fig. 14. Tabs. 16, 34. Rhipidistians, 60. Symmetrodonta, 124, 125. Fig. 27. Rkopalodon zone, Fig. 27. Rio de Rasto beds, 122. Tabulars, 15. Rodentia, 78. Tachyglossus, 59. Figs. 23, 26. Tab. 31. Romer, A. S., vi, 1, 60. Taeniolabidae, Fig. 27. Rotation, inner ear, Tab. 25. Talpa, Fig. 11. Rudmdgea, 95. Tapinocephalidae, 97, 119. Fig. 27. Ruhuhu region, 122. Tapinocephalus zone, 1, 2, 8, 19, 20, 22, 26, 38, 70, 88, 98, 125. Fig. 27. Sacculo-cochlear recess, 10, 24, 26, 27, 28, 29- Taxidea, 104. Figs. 23, 26. Tab. 31. 34, 92, 100, 101. Figs. 9, 10, 22. Tectum synoticum, 86. Sacculus, 24, 26, 119. Figs. 9, 10. Temporal region, 120. Scalaposauridae, 120, 123. Fig. 27. Theriodonts, 86. Sciurus, 102, 104, 105. Figs. 23, 26. Tab. 31. Theriognatkus, 95. Fig. 25. Scymnognathus, 110. Therocephalia, 13, 17, 26, 43, 67, 71, 76. Fig. Secondary palate, 92, 98, 100, 120. Fig. 22. 22. Tabs. 22, 34. Therocephalian A Sella turcica, 10, 65, 67, 68, 69, 75, 87, 99, 106, description, 5. 109, 113-114. Figs. 5, 6, 21, 22. Tabs. Therocephalian B 22, 30, 34. description, 6. Semicircular canals, 10, 26, 27, 28, 29, 33-36, reconstruction, Fig. 3. 92, 97, 99, 100. Figs. 5, 6, 9, 10, 11-22. Theromus, 102. Tabs. 10, 22. Thrinaxodon, 8, 67, 91. Fig. 4. Sevefontein, 5. Titanosuchidae, 119. Fig. 27. Seymouria, 60, 61, 77. Trabeculae, 82-84. Triconodonta, 124. Fig. 27. Simpson, 124. Trigeminus, 15, 17. Sinus utricularis, 25, 26, 28, 29, 31, 33, 100. Tritylodontoidea, 124. Fig. 27. Figs. 5, 6, 9, 10. Tropibasic, 82. Sirenia, 78. Tropitrabic, 82. Southeastern Africa, 122. Tympanic, 39, 54, 59. Figs. 16,17. Spence’s cartilage, 56. — annulus, 54, 59. Fig. 16. Sphenacodon, 89. — cavity, 39, 53-60. Fig. 12. Sphenacodontidae, 86, 89, 91, 93, 94, 95, 109, — membrane, 10, 39, 41, 54, 55, 60, 61, 100. 119. Fig. 27. Tabs. 23, 24. Tab. 34. Sphenethmoid, 10, 65, 76, 77, 78. Fig. 21. — process, stapes, 54. Sphenodon, 83. Splenial, 47, 48. Ulemosaurus, 119.

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Unossified zone, 10, 12, 13, 14, 15, 64, 65, 84. Wagenaar’s krall, 2, 5. Figs. 5, 6, 21. Watson, D. M. S. 119, 123. Utriculus, 24,26,27,29,33,119. Figs. 9,10,11. Westoll, S., 69, 73, 74, 75. Whaitsedae, Fig. 27. Varanus, 73. Tab. 20. Whaitsia, 95. Vena capitis lateralis, 15. Wichita, Fig. 27. “ Venous” notch, 16, 17, 94. Figs. 5, 6. Vestibule, 10, 24, 28, 29, 32, 62. Vidian canal, 74. x-element, Fig. 13. Vomer, 72-73. Vtdpes, 102, 104, 114. Fig. 23. Youngoides, 73, 74. Tab. 20.

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30.—P r e l i m i n a r y R e p o r t o n t h e C r e t a c e o u s a n d T e r t i a r y L a r g e r F oraminifera o f T r i n i d a d , B r i t i s h W e s t I n d i e s . B y T . W . Vaughan and W . S. Cole. 1941. 137 p., 46 pis., 2 figs.

31.—S u b m a r i n e T o p o g r a p h y o f f t h e C a l i f o r n i a C o a s t ; C a n y o n s a n d T e c t o n i c I nterpretation . B y F. P. Shepard and K . O. Emery. 1941. 171 p., 4 charts, 18 pis., 42 figs.

32.—P a l e o z o i c G a s t r o p o d G e n o t y p e s . B y J. Brookes Knight. 1941. 510 p., 96 pis., 8 figs.

33.—N u m e r i c a l S t r u c t u r e F a c t o r T a b l e s . B y M. J . Buerger. 1941. 119 p., 4 figs.

34.— Seismicity of the E a r t h . By Beno Gutenberg and C. F. Richter. 1941. 131 p., 17 figs.

35.—G e o l o g y o f t h e “ M a r t i c O v e r t h r u s t ” a n d t h e G l e n a r m S e r i e s i n P ennsylvania a n d M a r y l a n d . By Ernst Cloos and Anna Hietanen. 1941. 207 p., 28 pis., 58 figs.

36.—H a n d b o o k o f P h y s i c a l C o n s t a n t s . Edited by Francis Birch, Chairman. 1942. 325 p., 19 figs.

37.—O z a r k i a n a n d C a n a d i a n C e p h a l o p o d s . P a r t I: N autilicones . By E. O. Ulrich, Aug. F. Foerste, A. K . Miller, and W. M. Furnish. 1942. 157 p., 57 pis., 23 figs.

38.—T erebratuloid B r a c h i o p o d a o f t h e S i l u r i a n a n d D e v o n i a n . B y Preston E. Cloud, Jr. 1942. 182 p., 26 pis., 17 figs.

39.—E o c e n e R a d i o l a r i a n F a u n a s f r o m t h e M t. D i a b l o A r e a , C a l i f o r n i a . By B. L. Clark and A . S. Camp­ bell. 1942. 112 p., 9 pis., 5 figs.

40.—II adrosaurian D i n o s a u r s o f N o r t h A m e r i c a . B y R . S. Lull and N . E. Wright. 1942. 242 p., 31 pis., 90 figs.

41.—T e r t i a r y P r a i r i e G r a s s e s a n d o t h e r H e r b s f r o m t h e H i g h P l a i n s . By Maxim K. Elias. 1942. 176 p., 17 pis., 1 fig.

42.—B ibliography o f F o s s i l V e r t e b r a t e s , 1934-1938. By C. L. Camp, D. N . Taylor, and S. P. Welles. 1942. 663 p.

43.—M i o c e n e F i s h e s o f S o u t h e r n C a l i f o r n i a . By Lore Rose David. 1943. 193 p., 16 pis., 39 figs.

44.—R e v i s i o n o f t h e S u b o r d e r s , F a m i l i e s , a n d G e n e r a o f t h e S cleractinia . By Thomas Wayland Vaughan and John West Wells. 1943. 363 p., 51 pis., 39 figs.

45.—B ibliographic a n d F a u n a l I n d e x o f P a l e o z o i c P e l m a t o z o a n E c h i n o d e r m s . B y R . S. Bassler and M. W. Moodey. 734 p.

46.—E v o l u t i o n a n d C lassification o f P a l e o z o i c C r i n o i d s . B y R . C . Moore and L. R. Laudon. 153 p., 14 pi., 18 figs.

47.—M e s o z o i c a n d C e n o z o i c A r c i d a e f r o m t h e P a c i f i c S l o p e o f N o r t h A m e r i c a . B y P . W. R e i n h a r t . 117 p., 15 pis., 3 f i g s .

48.— N o r t h A m e r i c a n P l e o s p o n g i a . B y Vladimir J. Okulitch. 112 p., 18 pla., 19 figs.

49.—O z a r k i a n a n d C a n a d i a n C e p h a l o p o d s . P a r t II: B r e v i c o n e s . B y E. O. Ulrich, Aug. F. Foerste, and A. K . Miller. 1943. 240 p., 70 pis., 15 figs.

50.—B ibliography o f E c o n o m i c G e o l o g y o f S o u t h A m e r i c a . B y Joseph T. Singewald Jr. 1943. 159 p.

51.—M i o c e n e R a d i o l a r i a n F a u n a s f r o m S o u t h e r n C a l i f o r n i a . B y A. S . Campbell and B. L. Clark, 1944. 76 p., 7 pis. 52.— G e o l o g y a n d P aleontology o f t h e P e r m i a n A r e a N o r t h w e s t o f L a s D e l i c i a s , S outhwestern C o a h u i l a , M e x i c o . B y R . E. King, C. O. Dunbar, P . E. Cloud, Jr., and A . K . Miller. 1944. 172 p., 45 pis., 29 figs. 53.—S t u d y a n d R e v i s i o n o f A r c h i m e d e s (Hall). By G. E . Condra and M. K. E l i a s . 1944. 243 p., 41 pla., 6 figs.

54.—E a r l y U p p e r C a m b r i a n F a u n a s o f C e n t r a l M o n t a n a . B y Christina Lochman and Donald Duncan. 1944* 181 p., 19 pis., 2 figs.

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G e o l o g y , 1888-1938: Fiftieth Anniversary Volume. B y 21 authors. 1941. 578 p., 15 figs. BIBLIOGRAPHY AND INDEX OF GEOLOGY EXCLUSIVE OF NORTH AMERICA Annually since 1933. B y John M. Nickles, Marie Siegrist, and Eleanor Tatge.

Publication notice of volumes other than the B u l l e t i n i s sent to subscribers and others upon request. Standing orders may be placed with the Secretary. All communications should be addressed to the Secretary of the Society, 419 West 117 Street, New York, N. Y . MEMOIRS

1 — S tratigraphy o f W e s t e r n N ewfoundland . B y C. Schuchert and C. O. Dunbar. 1934. 123 p., 11 pis., 8 figs.

2.—P a l e o z o i c P l a n k t o n o f N o r t h A m e r i c a . By Rudolf Ruedemann. 1934. 141 p . , 26 p i s . , 6 f i g s .

3.—E v o l u t i o n o f t h e C o n g o B a s i n . B y A. C . Veatch. 1935. 183 p . , 10 p i s . , 8 f i g s .

4.—G e o l o g y i n t h e C o a s t a l A t l a s o f W e s t e r n A l g e r i a . B y R . van V. Anderson. 1936. 450 p., 19 pis., 2 figs.

5.—S t r u c t u r a l B e h a v i o r o f I g n e o u s R o c k s . By Robert Balk. 1937. 177 p., 24 pis., 38 figs.

6.—S t r u c t u r a l P e t r o l o g y . By Eleanora Bliss Knopf and Earl Ingerson. 1938. 270 p., 27 pis., 81 figs.

7.—A d i r o n d a c k I g n e o u s R o c k s a n d T h e i r M etamorphism . B y A. F. Buddington. 1939. 354 p., 21 pis., 30 figs. 8.—T h e U n i v e r s a l S t a g e . By R. C. Emmons. 1943. 206 p., 13 pis., 95 figs. SPECIAL PAPERS

1.—B ibliographic I n d e x o f P a l e o z o i c O s t r a c o d a . B y R . S. Bassler and B. Kellett. 1934 . 500 p., 24 figs.

2 — F o s s i l C r u s t a c e a o f t h e A t l a n t i c a n d G u l f C o a s t a l P l a i n . By M. J. Rathbun. 1935. 160 p., 26 pis., 2 figs.

3.—F o s s i l N o n -M a r i n e M o l l u s c a o f N o r t h A m e r i c a . By Junius Henderson. 1935. 313 p.

4.— N u c u l i d B i v a l v e s o f t h e G e n u s Acila. B y Hubert G . Schenck. 1936. 149 p . , 18 p i s . , 15 fig3.

5 — G e o l o g y o f S a i n t J o h n , N e w B r u n s w i c k . By A. O. Hayes and B . F. Howell. 1937. 146 p., 9 pis., 4 figs.

6.—H i s t o r y o f t h e G r a n d C a n y o n o f t h e Y e l l o w s t o n e . By A. D. Howard. 1937. 159 p . , 21 p i s . , 31 fig3.

7.—A t l a n t i c S u b m a r i n e V a l l e y s o f t h e U n i t e d S t a t e s a n d t h e C o n g o S u b m a r i n e V a l l e y . B y A. C. Veatch and P. A. Smith. 102 p., 5 charts, 10 pis., 28 figs.

8.—M i d d l e D e v o n i a n C o r a l s o f O h i o . By Grace Anne Stewart. 1938. 120 p . , 20 p i s . , 2 figs.

9.—F o s s i l S n a k e s o f N o r t h A m e r i c a . B y Charles W. Gilmore. 1938. 96 p., 4 pis., 38 figs.

10.—S tratigraphy a n d M o l l u s c a o f t h e E o c e n e o f W e s t e r n O r e g o n . By F. E . Turner. 1938. 130 p., 22 pis. 7 figs.

11.—G e o l o g y a n d P aleontology o f t h e M i n g a n I s l a n d s , Q u e b e c . By W. H. Twenhofel (With A. F. Foerste and M . S. Whiting). 1938. 132 p., 24 pis., 1 fig.

12.—T e r t i a r y F l o r a f r o m t h e R i o P i c h i l e u f u , A r g e n t i n a . By E. W. Berry. 1938. 150 p., 56 p i s . , 11 f i g s .

13.—O z a r k i a n a n d C a n a d i a n B r a c h i o p o d a . B y E. O. Ulrich and G. A. Cooper. 1938. 324 p., 58 pis., 14 figs.

14.—D e v o n i a n A m m o n o i d s o f A m e r i c a . B y A . K. Miller. 1938. 262 p., 39 pis., 41 figs.

15.—C a m b r i a n S y s t e m ( R e s t r i c t e d ) o f t h e S o u t h e r n A ppalachians . By C. E. Resser. 1938. 140 p., 16 pis.

16.—L o w e r C r e t a c e o u s D e p o s i t s i n C a l i f o r n i a a n d O r e g o n . B y F. M. Anderson. 1938. 340 p., 84 pis., 3 figs.

17.—P ennsylvanian C orrelations i n t h e E a s t e r n I n t e r i o r a n d A p p a l a c h i a n C o a l F i e l d s . By H R . Wan- less. 1939. 130 p., 9 pis., 8 figs.

18.—C a m b r i a n S tratigraphy a n d T r i l o b i t e s o f N orthwestern M o n t a n a . By Charles Deiss. 1939. 136 p., 18 pis., 7 f i g s .

19.—C a m b r i a n M e r o s t o m a t a . By Gilbert O. Raasch. 1939. 146 p., 21 p l a . , 14 figs.

20.—G e o l o g y A l o n g t h e S o u t h e r n M a r g i n o f t h e A b s a r o k a R a n g e , W y o m i n g . B y J. D . Love. 134 p., 17 pis., 3 figs.

21.— P aleontology a n d S tratigraphy o f t h e S i l u r i a n R o c k s o f t h e P o r t D a n i e l -B l a c k C a p e R e g i o n , G a s p é . By S. A. Northrop. 1939. 302 p., 28 pis., 1 fig.

22.—L o w e r M ississippian R o c k s o f t h e E a s t -C e n t r a l I n t e r i o r . B y Paria B. Stockdale. 1939. 248 p., 26 pla., 2 figs.

23.—B ibliographic I n d e x o f N o r t h A m e r i c a n D e v o n i a n C e p h a l o p o d a . By E. M. Kindle and A . K . Miller. 1939. 180 p.

24.—C ontributions t o a K n o w l e d g e o f t h e L e a d a n d Z i n c D e p o s i t s o f t h e M i s s i s s i p p i V a l l e y R e g i o n . Edited by Edson S. Bastin. 1939. 156 p., 4 pis., 27 figs.

25.— D e v o n i a n S tratigraphy a n d P aleontology o f t h e R o b e r t s M o u n t a i n s R e g i o n , N e v a d a . By C. W. Merriam. 1940. 114 p., 16 pis., 7 figs.

26.—P e r m i a n A m m o n o i d s o f t h e G u a d a l u p e M o u n t a i n R e g i o n a n d A d j a c e n t A r e a s . By A . K . Miller and W. M . Furnish. 1940. 242 p., 44 pis., 59 figs.

27.—B ibliography o f F o s s i l V e r t e b r a t e s , 1928-1933. By C. L. Camp and V. L. VanderHoof. 1940. 503 p.

28.—R e v i e w o f t h e P elycosauria . B y A. S. Romer and L. I. Price. 1940. 538 p., 46 pis., 71 figs.

29.—P h a c o p i d T r i l o b i t e s o f N o r t h A m e r i c a . By David M. Delo. 1940. 135 p., 13 p i s . {Continued on inside back cover)

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