200 NEW YORK STATE MUSEUM 



billingsella Hall & Clarke 



Billingsella (?) laurentina Billings (sp.) 



1 151 ^^ hypotype Orthis laurentina Billings. Geologi 



cal survey of Canada; report for 1856-1857, p. 297. 



Billingsella (?) laurentina Hall & Clarke. 

 Paleontology of New York. 1892. v. 8, pt 1, pi. 7 A, 



fi g- 3- 



Anticosti group Anticosti 



1 152 jU ^- Q - hypotype Hall & Clarke. Paleontology of New York. 



1892. v. 8, pt 1, pi. 7A, fig. 4. 



Anticosti group Anticosti 



11 53 -"¥- hypotype Hall & Clarke. Paleontology of New York. 



1892. v. 8, pt 1, pi. 7A, fig. 5. 



Anticosti group Anticosti 



Alpheus Hyatt, donor 



1 1 54 -3-- hypotype Hall & Clarke. Paleontology of New York. 



1892. v. 8, pt 1, pi. 7A, fig. 6. 



Anticosti group Anticosti 



Alpheus Hyatt, donor 

 brachyprion Shaler 



Brachy prion majus Clarke 



1 155 Hf.° type: plastotype Brachy prion majus Clarke. 



New York state museum memoir 3. 1900. p. 54, pi. 8, 

 fig. 8. 



Oriskanian Becraft mountain, Hudson N. Y. 



it 56 -- 2 -- type: plastotype Clarke. New York state museum 



memoir 3. 1900. pi. 8, fig. 9. 



Oriskanian Becraft mountain, Hudson N. Y. 



11 57 7 ¥~ type: plastotype Clarke. New York state museum 



memoir 3. 1900. pi. 8, fig. 10. 



Oriskanian Becraft mountain, Hudson N. Y. 



1 1 58 — 4 -^ type Clarke. New York state museum memoir 3. 1900. 



pi. 8, fig. 11. 



Oriskanian Becraft mountain, Hudson N. Y. 



11 59 ~ l ^~ type: plastotype Clarke. New York state museum 



memoir 3. 1900. pi. 8, fig. 12. 



Oriskanian Becraft mountain, Hudson N. Y. 



1 1 60 71 6 70 type: plastotype Clarke. New York state museum 



memoir 3. 1900. pi. 8, fig. 13. 



Oriskanian Becraft mountain, Hudson N. Y. 



