ITHACA SPECIES 



439 



Table II — continued 

 Pelecypoda — Continued 



81. PJwladella radiata Hall 



82. Phthonia cylindrica Hall 



83. P. lirata Hall 



84. Pterinea (Vertumnia) reproba Hall 



85. Pterinopecten eredus Hall. . . .• 



86. P. suborbicularis Hall 



87. Pterochaenia Jragilis 



88. Ptychodesma nanum Hall 



89. Schizodus chemungensis Hall 



90. S. chemungensis var. quadrangularis Hall. 



91. Spathella typica Hall 



TO 



'i 

 1 



E 

 2 



I 



1 



c 



3 



6 



TO 



4 



D. 



5 



c 



3 



s 

 u 



6 



1 



7 



i: 



c 



8 



r 



rr 

 r 

 c 

 r 

 r 

 r 

 r 

 c 

 re 

 c 







X 

 X 



X 



X 







X 





X 























X 

 X 



r 









— 







X 

 X 



X 









— 





c 



— 











Gastropoda 



92. Bellerophon explanatus ? Hall ; . 



93. B. ithacaenis Kindle 



94. B. leda 



95. Diaphorostoma lineatum var. callosa Hall. . . 



96. Euomphalus (Straparollus) hecale Hall 



97. Loxonema delphicolar Hall 



98. Macrocheilus (Holopea) macrostomus ? Hall 



99. Platyceras carinatum Hall 



100. Pleurotomaria capillaria Hall 



101 . Porcellia nais Hall 



r 

 r 

 r 

 c 

 r 

 c 

 rr 

 c 

 c 

 r 











X 

 X 



— 





— 









X 

 X 







— 







— 







X 



X 

 X 

 X 





















c 









X 



— 

















Fteropoda 



102. Coleolui aciculum Hall. . . 



103. Coleoprion sp 



104. Conularia congregata Hall 



105. Hyolithus aclis Hall 



106. Styliolina fissurella Hall. . 



107. TentacuHtPs spicu'us Hall 



c 



c 



r 





— 



X 



— 





X 



re 



r 

 r 



r 



r 







X. 



X 







X 



— 



— 



X 



— 



X 



Cephalopoda 



108. Gotnphoceras tumidum Hail 



109. Goniatites complanatus Hall 



110. Goniatites discoideus Hall 



111. G. (Manticoceras) simulator Hall. . . 



112. G. sinuosus Hall 



113. G. (Tornoceras) peracutus Hall 



114. G. (Tornoceras) uniangulare Con. ? 



115. Orthoceras anguis Hall 



116. O. bebryx var. cayuga Hall 



117. O.demus Hall 



118. 0. fulgidum Hall 



0. leander Hall 



0. pacator Hall 



0. pertextum Hall 



119. 

 120 

 121. 



re 



XXXI — BrLT>. Geol. Soc. A.m., A'or,, 30. 3 018 



