State Museum of Natural History. 



31 



60 Athyris spiriferoides, Hamburgh, " 



61 Strophodonta concava, Canandaigua Lake, " 



62 Chonetes scitula, Otisco Lake, " 



63 " coronata, Canandaigua Lake, " 



64 " deilecta, Onondaga (Jreek, " 



65 Leiorhynchus limitaris, Otisco Lake, " 

 6(j Heliophyllum Halli, West Williams, Canada 



67 Michelina stylopora, Hamburgh, N. Y 



68 Phacops rana (head), Bellona, " 



69 Dalmanites Bootlii (tail), Otisco Lake, " 



70 Orthoceras crotalum, Delphi, " 



71 Pleurotomaria sulcomarginata, Pratt's Falls, N. Y 



72 Platyostoma lineatum, Canandaigua Lake, u 



73 Modiomorpha alta, Pratt's Falls, " 



74 " concentrica, Pratt's Falls, " 



75 Grammysia lirata, " " 



76 Paracyclus lirata, Schoharie county, " 



77 Nuculites oblongata, Cayuga Lake, 



78 Cypricardella (Eodon) bellastriata, ", " 



79 Actinoptera decussata, York, " 



80 " Boydi, Delphi, 



81 Pterinea flabella, Pratt's Falls, 



82 Leptodesma Rogersi, Norwich, " 



83 Styliola fissurella (Genesee slate), Alden, " 



84 Lunulicardium fragile, " Bristol, ". 



Portage Group. 



85 Plumalina plumaria, Ithaca, N. Y 



No. of 

 specimens. 



86 Amnigenia Catskillensis (Oneonta sandstone), Gilboa, N. Y. 



Chemung Group. 



87 Productella arctirostrata, Mansfield, Pa 



88 u lachrymosa, Mansfield, Pa 



89 " hirsuta, Sullivan, Tioga county, Pa 



90 " speciosa, Mansfield, Pa 



91 Ambocoelia umbonata var gregaria, Corning, N. Y 



92 Athyris angelica, Mansfield, Pa 



93 Atrypa reticularis, Erwin Centre, N. Y 



94 " hvstrix, Adrian, " 



95 Rhynchonella contracta, Mansfield, Pa t 



96 Orthis impressa, " "...-. * 



97 Strophodonta cayuta, Lindley, N. Y 



98 Streptorhynchus Chemungensis, Tioga, Pa 



99 Spirifera mesacostalis, Mansfield, Pa 



100 " mesastrialis, Erwin Centre, N. Y 



101 " Verneuili, Cherry Creek, Chautauqua Co., N. Y 



102 " " Lindley, N. Y 



103 " Hungerfordi, Rockford, Iowa , 



104 Edmondia Philipi, Belmont, N. Y 



