Do you havethese indispensable works in your referencelibrary? All priceshave been revised and most have been drastically reduced as of Octoberfirst, nineteen forty one. INDEX TO •THE AUK' The 10-YearIndex contains in onehandy volume references to all authors,localities, bird namesand publicationsreviewed that have appearedin 'The Auk' duringthe ten yearsconsidered. Subjects andtopics are indexedfully. Invaluablefor compilingthe litera- ture on any ornithologicalsubject. Volume 1 to 17, 1884-1900 Bound $3.00 Unbound $2.00 l also includesindex to the Nuttall Bulletin) Volume 18 to 27, 1901-1910 out-o/-print Unbound$2.00 Volume 28 to 37, 1911-1920 Bound $3.00 Unbound $2.00 Volume 30ø to 47, 1921-1930 Bound $3.00 Unbound $2.00 Volume 48 to 57, 1931-1940 in prepareion CHECK-LIST OF NORTH AMERICAN BIRDS Second Edition 1895 $1.00 Abridged Edition 1935 .50 (an abstracto/the 1931 Fourth Edition) The First,Third and FourthEditions are out-of-print The Fifth Editionis now beingprepared and will be published within the year CODE OF NOMENCLATURE First Edition 1892 $ .25 Revised Edition 1908 .50 FIFTY YEARS' PROGRESS IN ORNITHOLOGY. $1.00 On its fiftieth anniversaryin 1935 the Union publishedthis vol- ume of historical surveys. More facts are containedin its 200 pagesabout the marchof ornithologicalstudy in thiscountry and abroadthan in any other medium. Someof the titles: Bird Pro- tection,Photography, Economic Ornithology, Exhibition, Study Collections, etc. BO0# relatingto NATURAL HISTORY Out-of-print titles . ß . diligently sought for List issued yearly CHECK-LIST OF THE BIBLIOPHILE NORTH AMERICAN BIRDS 1836 N. HIGH STREET Abridged form o[ the out-o[-print COLUMBUS, OHIO Fourth Edition. Gene Rea, Mgr. Associate A. O. U. Pocket size--177 pages--scientific and com- mon names and A.O.U. Check-List numbers o[ all North American birds. Fifty cents, postpaid BOOK BINDINGS THE AMERICAN ORNITHOLOGISTS' UNION FIELD MUSEUM OF CHICAGO, ILLINOIS Magazines bound in sturdy Buckram. FREE- Beautiful engraved Brochure. Write for particulars. c.•:[ona•ier••tqill •iu•er• 1751 Belmont Ave., Chicago, Ill. your collecting trips with FOR SALE TABASCO A laFge number of used "Cam- a concentrated pepper seasoning used by master chefs through- bridgeCans" of severalsizes, suit- out the world for more than 70 able for the storage ot' museum years. A few drops on tasteless specimens of birds, n•ammals, food works wonders! shells, etc. Complete with trays FOR AN ACCENT ON and runners. Pricesand specifica- TASTE . TRY TABASCO! tions on request. Field Museum of Natural History Chicago, I11. MclLHENNY COMPANY AVERY ISLAND, LA. Galileanand Prism B;noculars,Monoculars andTelescapes. New, Sorepies ond Used. All Mokes, Powers, Sizes ond Weights. Sent on 10 day's opproval. Price list on request Box A.O.U. BUY YOUR BrNOCULAR$ FROM A BIOLOGIST CONTINUATION OF THE BULLETIN OF THE NUTTALL ORNITttOLOGICAL CLUB The Auk VOLUME 58 PUBLISHED BY The American Ornithologists' Union LANCASTER, PENNA. 1941 CONTENTS OF VOLUME 58 NUMBER 1 IN MEMORIAM:JAMES HENRY FLEMING. By L. L. Snyder (Plate 1)............ 1 BREEDINGBIOLOGY OF SILVERY-CHEEKEDHORNBILL. By R. E. Moteau, C. F. .4. O. U., and Winifred M. Moteau .................................... 13 NESTINGOF THEGRAY FLYCATCHER. By Henry N. Russell,Jr., and ,4ngusM. Woodbury ........................................................... 28 NOTESON MACGI•S•IV•Y'SSEASIDE SPAm•OW. By Ivan R. Tomkins. (Plates 2, 3) .................................................................. FEEDINGOF NESTLINGBANK SWALLOWS. By Dayton Stonerand Lillian C. Stoner 52 'CouRTSHIPFEEDING IN BIP.DS.' By David Lack and others.................... 56 WINGSKELETON AND FLIGHT OE HAWKS.By William C. Engels............... 61 F•OM COLORADOSPRINGS TO HORSECREEK IN 1878. By CharlesE. H. ,4iken. FOP.•WORDAND POSTSCRIPT by E. R. Warren .............................. 70 TARSALFEATHERING IN RUggEDGROUSE. By Leonard J. Uttal ................ 74 TAXONOMYOE PALAEARCrICGOSHAWeS. By N. ,4. Gladkov.................. 80 GENERALNOTES: Pelicans killed by lightning, 91; LouisianaHeron in Massachusetts, 91; Winter food of Snowand Blue Geesein Delaware,92; Breedinggrounds of Ross'sGoose at last discovered,92; Mallard Duck returns to destroyed nest, 92; Daily movementsof young Black Duck, 93; American Golden-eye a winter resident of Kansas,94; Turkey Vulture in Rhode Island, 94; Three thousandGolden Hovers in one flock, Delaware County, Indiana, 94; Broken- wing'performance by the EasternWillet, 95; Curlew Sandpiperin New Eng- land, 95; Skua off Nova Scotia,95; Gull-billed Tern nestingin Florida, 96; Foot-washing by the Black Skimmer, 96; Saw-whet Owl in Tennessee, 96; Feedingand dispositionof nestlingfeces by the Kingbird, 97; Scissor-tailed Flycatcherin Quebec,97; Tree Swallowsand highways,98; Mockingbirdsin Panama, 98; Brown Thrasher in Oregon, 99; Two Yellow Warblers new to Massachusetts,100; Kentucky Warbler in Massachusetts,100; Hooded Warbler flying backward,101; Hooded Oriole again recordedin the United States,101; Cowbirdon the Virginia and North Carolinacoasts, 101; 'Anting' by Summer Tanager, 102; Rufous-crownedSparrow of southeasternNew Mexico, 102; Bachman'sSparrow in New York, 103; Gambel'sSparrow in Pennsylvania,104; Termites taken by birds, 104; Early nesting at Cape Sable, Florida, 105; UnusualNorth Carolinarecords, 106; Notes from PrincessAnne County, Virginia, 108;Some West Indian birds'eggs, 109. (Plate 4.) RECENT LI•RATtn• ........................................................ 111 CONSERVATIONNoa•s. By Francis H. ,4lien................................. 130 NOTesAND NEWS: Charles A. Urner's'Birds of Elizabeth,New Jersey,and vicinity,' 131; In memory of Wirt Robinson, 132; The Minnesota Museum of Natural History, 133; Plaque in memoryof Dr. JosephKalbfus, 133; ErnestG. Holt in Brazil, 133. COP.P.ESPONDENC•: Unidentified bird names................................... 134 OBITUARIES:Robert White Williams,135; Charles Bill, 135;Charles Edward Ingalls, 136; Bruno Liljefors, 136. iii iv Contentsof Volume 58 THE FIFTY-EIGI-ITH STATED MEETING OF THE AMERICAN ORNITHOLOGISTS' UNION. By Lawrence E. Hicks ................................................. 138 FINANCIAL REPORT OF THE TREASURERFOR THE YEAR ENDED SEPTEMBER30, 1940. By Rudyerd Boulton.................................................. 148 NUMBER 2 NESTINGBEHAVIOR OF THE ATLANTICMURRE. By R. A. Johnson. (Plates 5, 6) 153 'WHITE-FACED'TERNS. By Ralph S. Palmer. (Plate 7) ..................... 164 SOCIALNESTING HABITS OF Crotophagamajor. By David E. Davis........... 179 HOMING INSTINCTOP THE RED-WINGEDBLACKBIRD. By Reginald D. Manwell 184 SIZEoP BIRDFLOCKS IN WINT•S•. By Leonard Wing .......................... 188 ENEMYRECOCNITION BY THE SONC.SPARROW. By Margaret M. Nice and Joost ter Pelkwyk. (Plate 8) ................................................ 195 DEVELOPMENTOF NESTLINGYELLOW-HEA•ED BLAC•IRDS. By Reed W. Fautin... 215 SEASONALPATTERN AND GENIC BALANCE. By Ernst Schwarz................... 233 THE JAMESCRAW PORTrAiT OP ALEXAND•S•WILSON. By John M. McWilliam and CaseyA. Wood. (Plate 9) ......................................... 236 TAXONOMYAND HABITS OF PIGEONS.By E. W. Gifford..................... 239 VACATIONIN NORTHAMERICAN RAVENS. By George Willett ................. 246 A NEw RACEOF Coracina caledonica. By E. Mayr and S. Dillon Ripley ........ 250 GENERALNOTES: Cory's Shearwater in South Carolina, 251; Gannets along the Connecticut River in New Hampshire and Vermont, 251; Snowy Egret again nesting in Cape May County New Jersey 252' American Bittern eats garter snake,253; M•grant ducks m the Dominican Repubhc, 253; Turkey Buzzards killing young pigs, 254; Gyrfalcon in Wisconsin,254; Marsh Hawk feeding on ScaupDuck, 254; SageHen eatsgrasshoppers, 255; Golden Plover in central Indiana, 255; An oddly colored Wilson's Snipe, 256; Eskimo Curlew food note corrected,256; Ruff in Iowa in spring, 257; Herring Gull in Guatemala, 257; Common Tern nesting at Oneida Lake, New York, 257; Historical data on a specimenof Sooty Tern from Oswego, New York, 258; Noddy and Sooty Terns nesting on bare ground, 259; Bridled Tern in Florida Bay, 259; Black Terns nesting in New Brunswick, 260; Eastern Mourning Dove in the Domin- ican Republic, 260; Color attractive to hummingbirds, 261; Red-headed Wood- peckerin Quebec,261; ArkansasKingbird in Florida, 261; Barn Swallowbreed- ing in southernAlabama, 261; Migration of Blue Jays,262; Fish Crow in Center County,Pennsylvania, 263; Short-billed Marsh Wren in the westernAdirondacks, 263; Mockingbird in New Hampshire in midsummer,264; Bicknell's Thrush in West Virginia, 264; Warbling Vireo in Cape May County, New Jersey,264; Western Meadowlark in New Jersey,265; Probable breeding of the Beautiful Bunting in the United States, 265; Natural death of a Fox Sparrow, 266; Notes from Hawk Mountain (Kittatinny Ridge), Pennsylvania,266; Maritime birds occurring with summer stormsnear Charleston in 1939, 268; Notes from northern Lower California, 270; Interesting recordsfrom high elevationson Mount Rainier, Washington, 270; 'Antirig'; termites, 271. FIFTY-NINTH STATED MEETING OF THE A. O. U ................................ 271 RECENT LITERATURE........................................................ 272 CONSERVATIONNOTES. By Francis H. Allen .................................. 288 DiscussioN:Lorenz's Objective method of interpreting bird behavior.......... 289 REPORTOF THECOMMITTEE ON BIRDPROTECTION, 1940. By Victor H. Cahalane, Chairman, and others .................................................