TYPE SPECIMENS OF PALEOZOIC FOSSILS 235 



Hindella umbonata Billings (sp.) 



1400 T ^i hypotype A thy r is umbonata Billings. Paleozoic 



fossils. 1862. 1:144. 



Hindella umbonata Hall »S: Clarke. Paleon- 

 tology of New York. 1S94. v. S, pt 2, p. 64, fig. 51. 

 Anticosti group Junction cliff, Anticosti 



Alpheus Hyatt, donor 

 hipparionyx Vanuxem 



Hipparionyx proximus Vanuxem 



140 1 *A£ - type Hipparionyx proximus Vanuxem. Geology 



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



fig- 4- 



A try pa unguiformis (Conrad) Hall. Geology of 

 New York; report on the 4th district. 1843. P- J 49> 

 fig. 4. 



Oriskanian Albany county, N. Y. 



Albany institute, donor 



homoeospira Hall & Clarke 



Homoeospira evax Hall 



1402 £*A£ hypotype Rhynchospira evax Hall. Transac- 



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



Homoeospira evax Hall and Clarke. Paleon- 

 tology of Xew York. 1894. v. S, pt 2. pi. 50, fig. 20. 



Niagaran Waldron Ind. 



C. D. Walcott and C. Van Deloo, coll. 1S78 



1403 7 y° hypotype Retzia evax Beecher & Clarke. New 



York state museum memoir 1. 1S89. pi. 5, fig. 3, 3a. 

 Niagaran Waldron Ind. 



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



1404 7 y° hypotype Beecher & Clarke. New York state museum 



memoir 1. 18S9. pi. 5, fig. 5. 



Niagaran Waldron Ind. 



1). Walcott and C. Van Deloo, coll. i> 

 «4°5 T V'~ hypotype Beecher .V Clarke. New York state museum 

 memoir 1. 1SS9. pi. 5. fig. 6. 



Hall & Clarke. Paleontology of New York. 1S94. 

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



Niagaran Waldron Ind. 



C. 1). Walcott ami C. Van Deloo, coll. 



