3O8 NEW YORK STATE MUSEUM 



SPIRIFER Sowerby 



Spirifer acuminatus Conrad (sp.) 



igoo s^fJL 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 



igoi z^f- 1 HYPOTYPE Spirifera angusta Hall. loth 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. 1860 



.1902 8 -^ i 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. 1860 



Spirifer arenosus Conrad (sp.) 



J 93 g - 3 i^- TYPE D elth yris arenos a Conrad. 3d annual report 

 of the New York geological survey. 1839. p. 65. 



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

 1843. P- 148, fig. i. 



Delthyris arenaria Mather. Geology of New- 

 York; report on the ist district. 1843. p. 342, fig. i. 



Spirifer arenosus Hall. Paleontology of New 

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



Oriskanian Otsego county, N. Y. 



^904 za/3- 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 pirifer 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. 1860 



