56 Forty-second Annual Report on the 



One specimen Prosocoelus orbicularis. 



One specimen Modiomorpha lamellosa. 



Three specimens Pleurophorus robustus. 



Four specimens Leda Ahrendi. 



One specimen Leda securiformis. 



One specimen Leda congener. 



One specimen Nucula krachtae. 



One specimen Nucula cf. krachtae. 



One specimen Ledopsis cf. aequalis. 



Two specimens Modiola kahlebergensis. 



Two specimens Palreoneilo sp. ? 



One specimen Ledopsis trigona. 



One specimen Prosocoelus priscus. 



One specimen Pterinea fasciculata. 



Five specimens Schizodus sp. ? 



Two specimens Koenenia lasii. 



Three specimens Schizodus obrotundatus. • 



Two specimens Schizodus carinatus. 



One specimen Palteoneilo brevis. 



Two specimens Nucula kahlebergensis. 



Two specimens Strophomena interstriatus. 



One specimen Streptorhynchus umbraculum. 



One specimen Streptorhynchus subarachnoides. 



Ten specimens Spirifera hysterica. 



One specimen Spirifera macroptera. 



Seven specimens Chonetes sarcinulata. 



Three specimens Bellerophon bisulcatus. 



Three specimens Bellerophon trilobatus, var. tumidus. 



One specimen Loxonema, sp. ? 



One specimen Dentalium arenarium. 



One specimen Otenocrinus decadactylus. 



Two specimens Cryphaeus grotii. 



E. B. Knapp, Skaneateles, N. Y. : 

 Two specimens Eatonia medialis, Lower Helderberg, Clarksville, N. Y. 

 Twelve specimens Orthis tulliensis, Tully Limestone. 

 Eleven specimens Khynchonella venustula, Tully Limestone. 

 One specimen Crania harniltonise, Hamilton Group, Skaneateles Lake, 



N. Y. 



One specimen Spirifera granulifera, Hamilton Group, Skaneateles 

 Lake, N. T. 



One specimen Spirifera medialis, Hamilton Group, Skaneateles Lake, 

 N. Y. 



