TYPE SPECIMENS OF PALEOZOIC FOSSILS 



235 



Hindella umbonata Billings (sp.) 



1400 7 &f± hypoty pe Athyris umbonata Billings. Paleozoic 



fossils. 1862. 1:144. 



Hindella umbonata Hall & Clarke. Paleon- 

 tology of New York. 1894. v. 8, pt 2, p. 64, fig. 51. 



Anticosti group Junction cliff, Anticosti 



Alpheus Hyatt, donor 



hipparionyx Vanuxem 



Hipparionyx proximus Vanuxem 



1401 ^sj^ type Hipparionyx pro ximus Vanuxem. Geology 



of New York; report on the 3d district. 1842. p. 124, 

 fig. 4. 



Atrypa unguiformis (Conrad) Hall. Geology of 

 New York; report on the 4th district. 1843. p. 149, 

 fig. 4. 



Oriskanian Albany county, N. Y. 



Albany institute, donor 



homoeospira Hall & Clarke 



Homoeospira evax Hall 



1402 izf-Q- hypotype Rhynchospira evax Hall. Transac- 



tions of the Albany institute. 1863. 4: 213. 



Homoeospira evax Hall and Clarke. Paleon- 

 tology of New York. 1894. v. 8, pt 2, pi. 50, fig. 20. 



Niagaran Waldron Ind. 



C. D. Walcott and C. Van Deloo, coll. 1878 



1403 izjlo hypotype Retzia evax Beecher & Clarke. New 



York state museum memoir 1. 1889. pi. 5, fig. 3, 3a. 

 Niagaran Waldron Ind. 



C. D. Walcott and C. Van Deloo, coll. 1878 



1404 hypotype Beecher & Clarke. New York state museum 



memoir 1. 1889. pi. 5, fig. 5. 



Niagaran Waldron Ind. 



C. D. Walcott and C. Van Deloo, coll. 1878 



1405 ^^-^ hypotype Beecher & Clarke. New York state museum 



memoir 1. 1889. pi. 5, fig. 6. 



Hall & Clarke. Paleontology of New York. 1894. 

 v. 8, pt 2, pi. 50, fig. 18. 



Niagaran Waldron Ind. 



C. D. Walcott and C. Van Deloo, coll. 1878 



