44-8 NEW YORK STATE MUSEUM 



2 77 r ~%~ type ? Hall. Paleontology of New York. 1883. v. 5, 

 pt 1, plates and explanations, pi. 37, fig. 12. 



? Hall. Paleontology of New York. 1885. v. 5, pt 1, 

 pi. 37, fig. 12. 



Hamilton beds Pratt's falls, N. Y. 



G. B. Simpson, coll. 1863 



2772 type Hall. Paleontology of New York. 1883. v. 5,pti, 



plates and explanations, pi. 37, fig. 16. 



Hall. Paleontology of New York. 1885. v. 5, pt 1, 

 pi. 37, fig. 16. 



Hamilton beds Delphi, Onondaga co. N. Y. 



G. B. Simpson, coll. 1863 



Modiomorpha? amygdalina^ Glossites de- 

 pressus 



Modiomorpha arcuata Hall 



2773 9 5 i 2 1 type Modiomorpha arcuata Hall. Paleontology 



of New York. 1883. v. 5, pt 1, plates and explanations, 

 pi. 36, fig. 21. 



Hall. Paleontology of New York. 1885. v. 5, pt 1, 

 pi. 36, fig. 21. 



Hamilton beds •* Summit Corners, Schoharie co. N. Y. 



C. Van Deloo, coll. 1862 

 Modiomorpha complanata ^ Modiomorpha 

 mytiloides 



Modimorpha? h y a 1 e a Elymella nuculoides 



Modiomorpha concentrica (Conrad) Hall 



2774 95 1 22 type Pterinea concentrica Conrad. Annual re- 



port of the New York state geological survey. 1838. 

 p. 116. 



Modiomorpha concentrica Hall. Paleon- 

 tology of New York. 1885. v. 5, pt 1, pi. 35, fig. 1. 

 Hamilton beds Delphi, Onondaga co. N. Y, 



C. Van Deloo and H. H. Smith, coll. 1873 



2775 SL \ 2 - 3 - type Hall. Paleontology of New York. 1885. v. 5, 



pt 1, pi. 35, fig. 2. 



Hamilton beds Cayuga lake, N. Y. 



H. H. Smith, coll. 1871 



2776 — { f- 2 - type Hall. Paleontology of New York. 1885. v. 5, 



pt 1, pi. 35, fig. 3. 



Hamilton beds Schoharie N. Y. 



