TYPE SPECIMENS OF PALEOZOIC FOSSILS 



235 



*43 



,1404 



1405 



Hindella umbonata Billings (sp.) 



HYPOTYPE 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 



TYPE Hipparionyx proximus 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 



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 

 HYPOTYPE Retzia evax Beecher & Clarke. New 

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

 Niagaran Waldron Ind. 



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

 HYPOTYPE Beecher & Clarke. New York state museum 

 memoir i. 1889. pi. 5, fig. 5. 



Niagaran Waldron Ind. 



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

 HYPOTYPE Beecher & Clarke. New York state museum 

 memoir i. 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 



