3 o8 



NEW YORK STATE MUSEUM 



spirifer Sowerby 



Spirifer acuminatus Conrad (sp.) 



1900 hypotype Delthyris acuminata Conrad. 3d 



annual report of the New York geological survey. 1839. 

 p. 65. 



Spirifera acuminata Hall. Paleontology of 

 New York. 1867. v. 4, pi. 35, fig. 24. 



Hamilton shales Central New York 



Spirifer angustus Hall 



1901 -S-^ hypotype Spirifera angusta Hall. 10th annual re- 



port of the New York state cabinet of natural history. 

 1857. p. 164. 



Hall. Paleontology of New York. 1867. v. 4, pi. 38*, 

 fig. 23, 24. 



Hamilton shales York, Livingston co. N. Y. 



C. A. White and C. Van Deloo, coll. i860 



1902 hypotype Hall. Paleontology of New York. 1867., 



v. 4, pi. 38*, fig. 25-27. 



Hamilton shales Eighteen Mile creek, Erie co. N. Y. 



C. A. White, coll. i860 



Spirifer arenosus Conrad (sp.) 



1903 ■ s -¥"- type Delthyris arenosa Conrad. 3d annual report 



of the New York geological survey. 1839. P- ^5- 



Hall. Geology of New York ; report on the 4th district. 

 1843. P- 148, fig. 1. 



Delthyris arenaria Mather. Geology of New 

 York; report on the 1st district. 1843. p. 342, fig. 1. 



Spirifer arenosus Hall. Paleontology of New 

 York. 1859. v. 3, pi. 98, fig. 3. 



Oriskanian Otsego county, N. Y. 



1904 8g a 8 ? hypotype Spirifera unica Hall. Paleontology of 



New York. 1867. v. 4. pi. 30, fig. 21. 



Hall. 2d annual report of the New York state geolo- 

 gist. 1883. pi. 55, fig. 8. 



Spirifer unicus (=S p i r i f e r arenosus) Hall & 

 Clarke. Paleontology of New York. 1894. v. 8, pt 2, 

 pi. 30, fig. 8. 



Onondaga limestone Clarence N. Y. 



C. A. White, R. P. Whitfield and C. Van Deloo, coll. i860 



