280 



MONROE AND TELLER 



Pelecypoda 



Actinopleria sp 



A. sp 



Cimitaria elongata Conrad 



Clidophorus oblongus Hall 



Gomophora Aamiltonensis Hall , 



Grammy sia nodocostala Hall 



G. subarcuala H 



G. sp 



Leda, near rostellata Conrad 



Lyriopezte7i, near ihterradiatus Hall 



Modiola precedens Hall 



Modiomorpha affinis Hall 



M. alta Conrad - 



M. concentrica Conrad 



M. macilenta Hall 



M. mytiloides Hall 



M. ponderosa Hall 



M. quadrula Hall 



M. subulata Hall 



M. subulata var. chemungensis Hall 



Mytilarca umbonata Hall 



M. (Plethomytilus) oviformis Conrad 



Nucula corbuliformis Hall 



N. randalli Hall 



Nuculites oblongatus Conrad i . . 



Palaeoneilo brevis Hall , 



P. constricta Conrad 



P. elongata Hall 



P. emarginata Hall 



P. fecunda Hall 



P. plana ? Hall 



P. sp 



Paracyclas elliptica Hall 



P. tenuis Hall 



Pterinopecten, near intermedins Hall 



Sphenotus, near cunealus Conrad 



S., near clavulus Hall 



Many other species of Pelecypoda, imperfectly pre 

 served in B z 



Bkachiopoda 



Alhyris fultonensis Swallow 



A. sp 



Atrypa hystrix, var. occide?ttalis Hall 



A. reticularis L 



A. spinosa Hall 



Camarotoechia near sappho Hall 



C. contractu, var. saxatilis Hall, f 



Chonetes scitulus Hall — -flat variety 



C. scitulus Hall — gibbous variety 



C. vicinus Castelnau ( = C. deflectus Hall) 



Craniella hamiltoniae Hall 



