PROCEEDINGS I OF THE PENNSYLVANIA ACADEMY OF SCIENCE VOLUME XI 1 9 3 7 I HARRISBURG, PENNSYLVANIA 1937 I CONTENTS PAGE Minutes of the 1936 Summer Meeting ,_....... - ...... ., .. _,_, ___, ___ ............ _.......................................... 5 Minutes of the Thirteenth Annual Meeting ............. - ................... - ........ - ........... - .......................... -... 6 Government Aid Proj()cts in Biology, Homer C. Will and Pressley L. Crummy ......... 13 The Osteology of a 'l'eratological Goose, Marcus H. Green ........................ ................................. ... 18 The Stereids in the Petioles of Nymphea Advcna, Marcus H. Green and Warren S. Buck ....... _ - ...-- ... - ....... - ...................... - ............................. ,....................... _ ............................. -.... 20 The Respiratory Metabolism in the Larvae of the Tobacco Homworm (Phlege- OFFICERS thontius Sexta), Cla1·ence A. Horn .... -...................................................... .............. .. ... ........... ... .. ............... 22 Devonian Nomenclatmc in P ennsylvania, Bradford Willard ..................- ....... _.,,_.,,,. ......... _ 26 1937-38 The Amphibians and Reptiles of Bedford County, Pennsylvania, Thomas H. Knepp 35 ReminisceiiCes of Dr. S. S. Haldeman, George N. C. Henschen ........ _....................................... 36 Notes on Cave Ve1·tebrates, Chnrles E. Mohr ...... _ .. _.. - .. - ......................................... _,..... 38 p 1·esident ..~ : ....................................... GEo. H. AsHLEY, Harrisburg Notes on Cave Invertebr at es, Kenneth Dearolf .. - ........... ,_.. _, __ .,,_ ...... ·-------.. -· ...... 42 Vice-President .............. .. ............... .. JAQUES CATTELL, Lancaster A Method of D etermining the Effect of Time and T emperature on the Distribu- tion of Glycerin in a V ertical Column of Water, "\V. A. Parlin ...... _.... ........ - ...... 47 Se01·etary .... ...... .... .... ..................... ...V. EARL LIGHT, Annville Habrobracon as a Means for Testing the Effectiveness of Physical Agents in Assistant Secretary ... .. ................ CHARLES E. MoHR, Reading Causing Mutations, P. W. Whiting ............... ... .. ..., .... ..................................... - .............. ___ , .. _,, .... _, 50 Treasurer .. ...... .. .... ....... .. .. ....... .... .. .. .... H. W. THURSTON, JR., State College Notable Pennsylvania Ferns, Edgar T. Wherry _ .., ................... - .............. -~ ......... ......................... _ 52 Editor ...... ........... .... .............. ........ R. W. STONE, Harrisburg· Casts of Halite Cryst~ls in the Beekmantown Limeston·e, Benjamin L. Miller ........ -. 55 Replacement of Hardyston Quartzite by Jasper, Donald 111. Fraser ........... - ........ _........... 57 Press-Secretary .... .. .................... ...BRADFORD WILLARD, Harrisburg The Use of Topographic l\faps without Cnltme in Teaching Physiography, Lawr- ence Whitcomb .:....... __________ ......... _ .... __,., .... _.. ... ........... ........................... - ..... _.,,,. .. _, 61 Oriskany Thicknesses in P ennsylvania, Arthur B. Cleaves ....................................... ,__ ,,., .. -...... 64 The Parasitic Isopod, Livoneca Ovalis (Say), Y. Earl Light .................... - ................ -......... 71 The Inhel'itance of Pseudohypertrophic Muscular Paralysis, V. Ead Light ................. 73 A New Silurian Crinoid from Central Pennsylvania, J. Donald Witmer ...... .................... 75 Geologic Section in Southern Somerset County, Pennsylvania, R. "\V. Stone ... -...... 78 Spiraling in Paramecium Caudatum, Robert Cassel .......... - ........................ - ........ .. .......... .. ... _ ...- 81 A Vapor Pressure Apparatus, E. A. Vuilleumier ....... -................................................................... 83 Relation of Flexion of Body ancl Twisting of Heart in Chick Embryo, S. Hoffman Derickson ......... __.. ._ .. ,. .... ... ...- ... _ ........ -...................... .. .... ................ .. ..... .. ..................... ........... ............... ........... 85 Longitudinal Fission in Hydra, S. Hoffman Derickson ... - .............. - ................... _......... .. .............. 87 Origin and Occurrences of Earthquakes, Prof. H. Landsberg ............... -.............................. ... 88 'l'HE SCIENCE PIUI;SS PRINTJNO CIJ.\ti',\N Y LA:'\'C'AS'rEn, PRNNSYLV.\N lA ' . PENNSYLVANIA ACADEMY OF SCIENCE MINUTES OF THE 1936 SUMMER MEETING August 14 and 15 Somerset, Pennsylvania Members of the Academy and friends gathered at Somerset in the afternoon of August 14 and formed two groups. One group traveled to the virgin hemlock forest near Bucktown on U. S. Route 30, while the other group studied the rock formations and the gorge of Cas1;1elman River. In the evening, after dinner at the Ferner Hotel, the following pro­ gram was enjoyed by about 30 persons; The physiographic significance of N eg1·o Mountain. R. W. Stone, Pennsylvania Geological Survey. The forest, its trees, trails and tourists. V. M. Bearer, District Forester, Ligonier: The fiom of Negro Mmmtain. President Paul R. Stewart, Waynes­ burg College. Sorne notable plants of sottth-central Pennsylvania. Dr. Edgar T. Wherry, University of Pennsylvania. Snakes in Somerset County. M. Graham Netting, Carnegie Museum. A business meeting followed in which a grant of $125.00 for research from the American Association for the Advancement of Science was awarded to Raymond J. Greb and his wife Magnhild Torvik-Greb of the Research Laboratories of the Pittsburgh Skin and Cancer Foundation for research on Further Studies on the Unstable Gene in Habrobracon. The library committee was instructed to distribute the Proceedings which the editor reported about ready for mailing. Dr. Bradford Willard, press secretary, reported sending·notices to the local newspapers telling them of the various activities of the Academy. Dr. Karl F. Oerlein, represe:i).ting the Junior Academy, reported that he was getting out a pamphlet· concerning the activities of the Junior Academy which will be sent to all high schools in the State. A motion sponsored by M. Graham Netting that the Academy urge that the stand of virgin hemlock at Bucktown in Somerset County be made a State Forest Preserve, was adopted. A conservation committee composed of: M. Graham Netting, Chair­ man, Edgar T. Wherry, D. S. Hartline, J. Kenneth Terres, and E. M. Gress was appointed by the president Dr. T. D. Cope. Dr. Netting 5 6 PENNSYLVANIA ACADEMY OF SCIENCE PENNSYLVANIA ACADEMY OF SCIENCE 7 volunteered to send copies of a resolution to members of the legislature treasurer was authorized to confer with Jaques Cattell of the Science and other persons of influence urging that the virgin hemlock forest' be Press Printing Company to investigate the advisability of using a lower made a State Forest Preserve. rate of postage in mailing bills to the Academy members. The following persons were elected to active membership: The editor, R. W. Stone, reported that it was previously decided that Elsie D. Canan, 836 Napoleon St., Johnstown. only papers presented by the author or a substitute should be printed in Charles W. Demoise, 1401 Ashland St., Greensburg. the Proceedings. Further, that contributed papers are limited to five Clarence D. Dieter, W. and J. College, Washington .. printed pages unless the author is willing to pay for the extra pages Howard M. Fry, 509 State St., Lancaster. printed. It was agreed that the editor be made a permanent member of Joseph E. Harned, Oakland, Maryland. the program committee in order that these facts be kept before the Chester L. McTavish, 400 Beech Ave., Altoona. membership. Mildred C. J. Pfeiffer, 3050 N. 5th. St., Philadelphia. Karl F. Oerlein, representing· the Junior Academy, raised the ques­ Nathan H. Phillips, 409 Rochelle St., Pittsburgh 10. tion as to what rnight be done to get the members of the Junior Academy Hilda G. Ruch, Flicksville. better acquainted with the members of the Senior Academy. A discus­ H . C. Wimmel', 5221 4th St., Altoona. sion with suggestions followed and it was decided that Dr. Oerlein take On August 15 a field trip wa taken to egro Mountain and vicinity. the suggestions offered to the advisory committee of the Junior Academy Aft r observing the plant life and the "'eology of thi , the highest point to get action on what might be done to benefit the Junior members. One in the State of P ennsylvania, th group assembled at a near-by . C. of the suggestions given was that a time and place be arranged for in camp. Here we rec ivecl a royal1·ece tion from Capt. Galen Harris and future programs for demonstrations where members of both groups can staff and had a chance to ob rve camp life. delicious and novel din­ mingle with mutual advantage. ner, prepared by the C. C. Q. boys themselves, was served. R. vV. Stone reported for the library committee that about 90 sets of the first 5 volumes of the Proceedings are still for sale at $1.00 per set. MINUTES OF THE THIRTEENTH ANNUAL MEETING It was decided that the program committee for next year carry out the wishes of the executive committee to schedule a symposium dealing FRANKLIN AND MARSHALL COLLEGE, LANCASTER, MARCH 26 AND 27, 1937 with "Methods of Science Teaching" which ·was called for in the 1936 At a meeting of the executive committee held in the Hotel Brunswick minutes. Thursday evening, March 25, President T. D. Cope presiding and with Concerning the places for future meetings of the Academy