PEABODY MUSEUM OF NATURAL HISTORYTRUSTEESJAMES ROWLAND ANGELL, PH.D., LITT.D., LL.D.HIS EXCELLENCY THE GOVERNOR OF CONNECTICUT, ex-<strong>of</strong>ficio.REV. WILLIAM ADAMS BROWN, PH.D., D.D.HOWELL CHENEY, M.A,VANCE CRISWELL MCCORMICK, M.A.FRED TOWSLEY MURPHY, M.D., M.A.SAMUEL HERBERT FISHER, LL.D.DIRECTORRICHARD SWANN LULL, PH.D., SC.D.CURATORSEDWARD SALISBURY DANA, PH.D., Curator <strong>of</strong> Mineralogy, Emeritus.GEORGE GRANT MAC CURDY, PH.D., Curator <strong>of</strong> Anthropology, Emeritus.CHARLES SCHUCHERT, LL.D., Sc.D., Curator <strong>of</strong> Invertebrate Paleontology,Emeritus.STANLEY CRITTENDEN BALL, PH.D., Curator <strong>of</strong> Zoology.CARL OWEN DUNBAR, PH.D., Curator <strong>of</strong> Invertebrate Paleontology.WILLIAM EBENEZER FORD, PH.D., Curator <strong>of</strong> Mineralogy.RICHARD SWANN LULL, PH.D., SC.D., Honorary Curator <strong>of</strong> VertebratePaleontology.CORNELIUS BERRIEN OSGOOD, PH.D., Curator <strong>of</strong> Anthropology.ALBERT EIDE PARR, M.A., Curator <strong>of</strong> the Bingham OceanographicCollection, and Scientific Director <strong>of</strong> the <strong>Yale</strong> OceanographicExpeditions.EDWARD SAPIR, PH.D., SC.D., Honorary Curator <strong>of</strong> Anthropology.MALCOLM RUTHERFORD THORPE, PH.D., Curator <strong>of</strong> Vertebrate Paleontology.RESEARCH ASSOCIATESGEORGE GRANT MACCURDY, PH.D., Research Associate in PrehistoricArcheology, Emeritus.HELLMUT DE TERRA, PH.D., Research Associate in Geology.MALCOLM RUTHERFORD THORPE, PH.D., Research Associate in VertebratePaleontology.CHARLES EDWIN WEAVER, PH.D., Research Associate in InvertebratePaleontology.RESEARCH ASSISTANTSJAMES BROOKS KNIGHT, PH.D., Research Assistant in InvertebratePaleontology.CLARA MAE LEVENE, B.A.NELDA EMELYN WRIGHT, M.A.ADVISOR IN GEOLOGYCHESTER RAY LONGWELL, PH.D.DOCENTSMILDRED CYNTHIA BEULAH PORTER, M.A., in charge.DOROTHY EMMA ARNOLD, B.A.GERTRUDE HOTCHKISS CLARK.
THE PEABODY MUSEUM OF NATURAL HISTORYBULLETIN 3HYBRID DUCKS, INCLUDINGDESCRIPTIONS OF TWO CROSSES OFBUCEPHALA AND LOPHODYTESBYSTANLEY C. BALLLVX ETNEW HAVENTHE PEABODY MUSEUM OF NATURAL HISTORYYALE UNIVERSITY1934