scHucHERT.] INDEX AND BIBLIOGRAPHY. 315 



Productella(?) eriensis Kicliolson. Corniferous (Dev.). 



Productella erieusis Nicholson, Geol. Magazine London, n. ser., I, 1874, p. 118; — 



Pal. Prov. Ontario, 1874, p. 77, fig. 26. 

 Loc. Port Colborne and Hagersville, Ontario. 

 01)8. See Anoplia nucleata Hall. 



Productella exanthemata Hall. Ooruiferoiis and Hamilton (Dev.). 



Productus exauthematus Hall, Tenth Rep. N. Y. State Cab. Nat. Hist., 1857, 



p. 174. 

 Productella exanthemata Hall, Pal. New York, IV, 1867, p. 163, pi. 23, figs. 45, 



46;— Second Ann. Rep. N. Y. State Geol., 1883, pi. 48, tig. 17.— Hall and 



Clarke, Pal. New York, VIII, Pt. I, 1892, pi. 17, fig. 17. 

 Productus exauthematus ? ? Meek and Worthen, Geol. Survey Illinois, III, 1868, 



p. 412, pi. 10, fig. 3. 

 Loc. Tinkers Falls and Seneca Lake, New York ; Jackson and Union counties, 



Illinois. 



Productella hallana Walcott. Upper Devonian. 



Productus dissimilis Hall (non de Koninck, 1846), Geol. Survey Iowa, I, Pt. II, 

 1858, p. 497, pi. 3, fig. 7.— Meek, Trans. Chicago Acad. Sci., I, 1868, p. 91, 

 pi. 13, fig. 3. 



Productus ? Meek, Ibidem, 1868, p. 91, pi. 13, fig. 4. 



Productus (Productella) hallanus Walcott, Mon. U. S. Geol. Survey, VIII, 1884, 

 p. 130, pi. 13, fig. 17. 



Productus hallanus Tschernyschew, M6moires du Comity G^ologique de St. 

 P^tersbourg, III, 1887, p. 114, pi. 14, fig. 27.— von Toll, Wissensch. Resultate 

 d. Neusibirischen Exped., 1885 u. 1886, 1889, p. 25, pi. 2, fig. 19. 



Productus hallianus Williams, Bull. Geol. Soc. America, I, 1890, pi. 12, figs. 8, 9. 



Productella dissimilis Whiteaves, Cont. Canadian Pal., I, 1891, p. 216. 



Productella hallana Hall and Clarke, Pal. New York, VIII, Pt. I, 1892, pi. 17A, 

 figs. 11, 12. 



Loc. Rockford, Iowa; High Point, New York; Eureka district, Nevada; Atha- 

 basca River, Canada; Urals of Russia. 



Productella hirsuta Hall. Chemung (Dev.). 



Strophomena membrauacea Vanuxem (non Productus membranaceus von Buch), 



Geol. N. Y. ; Rep. Third Dist., 1842, p. 179, figs. 4, 5. 

 Productus hirsutus Hall, Tenth Rep. N. Y. State Cab. Nat. Hist., 1857, p. 175, 



figs. 1-3, 

 Productella hirsuta Hall, Pal. New York, IV, 1867, p. 166, pi. 24, figs. 17-29;— 



Second Ann. Rep. N. Y. State Geol., 1883, pi. 48, figs. 28, 39.— Hall and 



Clarke, Pal. New York, VIII, Pt. I, 1892, pi. 17, figs. 28, 39, 45. 

 Loc. Phillipsburg and Rockville, New York; Covington, Pennsylvania. 



Productella hirsuta rectispina Hall. Chemung (Dev.). 



Productella hirsuta var. rectispina Hall, Pal. New York, IV, 1867, p. 168, pi. 24, 

 figs. 30-37 ;— Second Ann. Rep. N. Y. State Geol., 1883, pi. 48, fig. 37.— Hall 

 and Clarke, Pal. New York, VIII, Pt. I, 1892, pi. 17, fig. 37. 



Loc. Meadville, Pennsylvania. 



Productella hirsutiformis (Walcott). Upper Devonian. 



Productus hirsatiforme Walcott, Mon. TT. S. Geol. Survey, VIII, 1884, p. 133, pi. 



2, fig. 10. 

 Loc. Eureka and White Pine districts, Nevada. 



Productella hystricula Hall=Strophalosia hystricula. 



Productella lachrymosa (Conrad). Chemung (Dev.). 



Strophomena lachrymosa Conrad, Jour. Acad. Nat. Sci. Philadelphia, VIII, 

 1842, p. 256, pi. 14, fig. 9. 



