scHucHERTl INDEX AND BIBLIOGRAPHY. 315 



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



I'rodiu'tella eriensis Nicholson, (!eol. Magazine Loudon, n. ser., I, 1871, i>. 118; — 



Pal. Prov. Ontario, 1871, p. 77, lig. 2(>. 

 Loe. Port Colborne and IIagersvill«», Ontario. 

 Oha. See Anojjlia nueleata Hall. 



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



l'r«Hluitus exautbematus Hall, Tenth Rep. N. V. State Cal>. Nat. Hist., 1857, 



p. 174. 

 Productella exanthemata Hall, Pal. New York, IV, 1867, p. 1G3, jil. 23, ligs. 4.5, 



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



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

 Productus exautbematus ?f Meek and Worthen, Geol. Survey llliuois, III, 1868, 



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

 Loe. Tinkers Falls and Seneca Lake, New York; .Iackst)n and I'uion counties, 



Illinois. 



Productella hallana Walcott. Upper Devonian. 



Productus dissiniilis 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, tig. 3. 



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



Productus (Productella) hallanus AValcott, Mou. U. S. Geol. Survey, VIII, 1884, 

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



Productus hallanus Tscbernyschew, M^moires du Comit6 G^ologique de St. 

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

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



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



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



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

 figs. 11, 12. 



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

 basca River, Canada; T^rals of Russia. 



Productella hirsuta Hall. Cliemuug (Dev.). 



Strophomena membranacea 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. 

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



Productella hirsuta rectispina Hall. Chemung (Dev.). 



Productella hirsuta Aar. rectispina Hall, Pal. New York, IV, 1867, p. 168, jil. 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. 



Loe. Meadville, Pennsyh ania. 



Productella hirsutiforinis (Walcott). Upper Devonian. 



Productus hirsutiforme Walcott, Mon, U. S. Geol. Survey, VIII, 1884, p. 133, pi. 



2, fig. 10. 

 Loe. Eureka and White Pine districts, Nevada. 



Productella liystricula Hall = Strophalosia bystricula. 



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



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

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



