LIBRA RY ‘New York State Veterinary College ITHACA, NEW YORK eiL Simpson, George B. Wal Anatomy and Ph:rsiology of Polygyra albolabris and linax maximus ile University Libra QL 431.861 bs iT ysiology of Polyg vet DATE DUE GAYLORD PRINTEDINU.S A. University of the State of New York ye BULLETIN OF THE New York State Museum ‘FREDERICK J. H. MERRILL Director No. 40 Vol. 8 October 1901 - ANATOMY AND PHYSIOLOGY OF POLYGYRA ALBOLABRIS AND LIMAX MAXIMUS H AND EMBRYOLOGY OF LIMAX MAXIMUS BY Q L GEORGE B. SIMPSON Division of paleontology “Tal S6G/ ALBANY UNIVERSITY OF THE STATE OF NEW YORK Igo Mé6qm-Jeo-3000 Price 25 cents OL 4-3 / S6) 1874 1892 1873 1877 1877 1877 1878 1881 1881 1833 1885, 1888 1890 1890 1893 1895 1895 1897 1897 1899 1900 IgOl Igor 1888 1890 University of the State of New York REGENTS With years of election Anson Jupp Urson L.H.D. D.D. LL.D. Chancellor, Glens Falls Wituam Croswett Doane D.D. LL.D. . Vice-Chancellor, Albany Martin I. Townsenp M.A. LL.D. = - — Troy Cuauncey M. Depew LL.D. - - = New York Cuar.es E. Fitch LL.B. M.A. L.H.D. - — Rochester Orris H. Warren D.D. - - - - Syracuse WuitTeLaw Reip M.A. LL.D. - ~ - — New York Wituiam H. Watson M.A. M.D. —~ — - Utica Henry E. TuRNER — = = = — Lowville St Crain McKetway M.A. L. LH. D. LL.D. D.C.L. Brooklyn DanieEL Beacu Ph.D. LL.D. = - = Watkins Carroiy E, Smitu LL.D. - - - — Syracuse Puiny T. Sexton LL.D. - - - - Palmyra T. GuILForD SmitH M.A. C.E. LL.D. = — Buffalo Lewis A. Stimson B.A. LL.D. M.D. - - New York ALBERT VANDER VEER Ph.D. M.D. — - . — Albany CHARLES R, SKINNER M.A. LL.D. Superintendent of Public Instruction, ex officio CuesTEeR S. Lorp M.A. LL.D. - — — = Brooklyn Timotuy L. Wooprurr M.A. Lieutenant-Governor, ex officio Joun T. McDonoucH LL.B. LL.D. Secretary of State, ex officio Tuomas A. Henprick M.A. LL.D. ~ — = Rochester Benjamin B. ODELL yk LL.D. Governor, ex officio Rosert C. PRruyvn M.A. - - - - ~— Albany SECRETARY Elected by regents 1900 JAMES RUSSELL Parsons jR M.A. . DIRECTORS OF DEPARTMENTS Metvit Dewey M.A. State library and Home education James RussELL Parsons jr M.A. Administrative, College and High school dep'ts 1890 FREDERICK J. H. MeRRILL Ph.D. State museum ff & {Ss ae va a ~ LIBRARY. | 4 PF Sy University of the State of New York BULLETIN OF THE New York State Museum FREDERICK J. H. MERRILL Director No. 40 Vol. 8 October 1901 lox ON ANATOMY AND PHYSIOLOGY OF POLYGYRA ALBOLABRIS AND LIMAX MAXIMUS AND EMBRYOLOGY OF LIMAX MAXIMUS BY GEORGE B. SIMPSON Division of paleontology ALBANY UNIVERSITY OF THE STATE OF NEW YORK Igor (VY: jk CON TEN FS Brefacevsccizccccccsc a secacs Wiles SiotcGs 2 dyiedewisisicieve ce acess hese. sche pe vena Ss arataiaatoleratere 239 Introduction ancctecitcsecunviowanscen caves bee sceees edeo dees eens ebed Seem 241 Methods and apparatusicoscees see wucemscticcsue cutscene wewe seme sees 241 Methods-of killing and:manipulating «....c5..-cccemceceeweceerceoe eels ious 241 Habits:.-2s.ceccecsS-enue tobe Sete wists Joes SSise een ateedee semen ceceeeel sexe 241 Poly gy ta al bolabnis: cues se ossc-qess.coes sens ccsissceceseckecalesewices 244 Slrele css coca e cnc hen cei is-s Sele laitaie onen calse veloc remem ne cl ee auais aisawels teins 244 External fedtureswcciccvcucevecizee cnna vice wee oes cee See cede See aeceed 245 Movementiccwsncedecncacccsc ccc bhhdnwon bourne eemereeemees eeneneeas 247 Pood—Ccarnivorous: habits: 2