BIBLIOGEAPHIC LIST OF GENERA AND SPECIES. 65 



Archlnacella simplex — Continued. 



Tryblidium simplex ^Vlliteaves, Pal. Foss., Geol. Surv. Canada, 3, pt. ], 1884, 



p. 31 (gen. ref.).— Wliitfield, Bull. Amer. Mus. Nat. Hist., 1, 1886, p. 306, 



pi. 24, figs. 30, 31.— Seely, Kep. Vermont State Geo!., 7, 1910, pi. 62, figs. 



30, 31. 

 Archinacella simplex Ulrich and Scofield, Geol. Minnesota, 3, pt. 2, 1897, p. 



826 (gen. ref.). 

 Canadian (Beekmantown) : Near Merrickville, Ontario. 



Archlnacella simiilatrix Ulrich and Scofield. 



Arcliinacella simulatrix Ulrich and Scofield, Geol. Minnesota, 3, pt. 2, 1897, 



p. 833, pi. 61, figs. 10, 11.— Grabau and Shimer, N. A. Index Fossils, 1, 1909, 



p. 606, fig. 805f, i. 

 Black River (Decorali): St. Paul, ^Minnesota. 

 Trenton (Hermitage): Frankfort, Kentucky. 

 Holottjpe— Cat. No. 45695, U.S.N.M. 



Archlnacella subrotunda Ulrich and Scofield. 



Archinacella subrotunda Ulrich and Scofield, Geol. Minnesota, 3, pt. 2, 1897, 



p. 834, pi. 61, figs. 26, 27. 

 Black River (Decorah): Near Cannon Falls, Minnesota. 

 Eolotype— Cat. No. 45696, U.S.N.M 



Archinacella trentonensis (Billings). 



Metoptoma trentonensis Billings, Pal. Fossils, 1, Geol. Surv. Canada, 1865, p 



40, fig. 41a, b (adv. sheets, 1862). 

 Tryblidium? trentonensis Whiteaves, Pal. Foss., Geol. Surv. Canada, 3, pt. 1, 



1884, p. 31 (gen. ref.). 

 Archinacella trentonensis Ulrich and Scofield, Geol. Minnesota, 3, pt. 2, 1897, 



p. 829 (gen. ref.). 

 Trenton: Chevrotiere and Island of Montreal, Canada. 



Archinacella valida (Sardeson). 



Tryblidium validum Sardeson, Bull. ^Minnesota Acad. Nut. Sci., 3, 1892, p. 337, 



pi. 6, figs. 1, 2. 

 Archinacella valida Ulrich and Scofield, Geol. Minnesota, 3, pt. 2, 1897, p. 832, 



pi. 61, figs. 14, 15. 

 Trenton (Prosser): Near Cannon Falls and Kenyon, Minnesota. 



ARCTINURUS Castelnau. Genotype: Paradoxides boltoni Bigsby. 



Arctinurus Castelnau, Essai Syst. Sil. I'Amer. Sept., 1843, p. 21. — Reed, Quart. 



Jour. Geol. Soc. London, 58, 1902, pp. 60, 63, 73. — Grabau and Shimer, N. A. 



Index Fossils, 2, 1910, p. 307. 

 Oncholichas Schmidt, Mem. I'vVcad. Imp. Sci. S(,. Petersburg, 7th ser., 33, 1885, 



pp. 31, 39. — Koken, Die Leitfossilien, Leipzig, 1896, p. 30. 

 Platynotus Reed, Quart. Jour. Geol. Soc. I-ondon, 58, 1902, pp. 60, 62. 

 Pterolichas Gurich, Neues Jahrb. f. Minn., Geol. Pal., Beilage-Band, 14, 1901, 



p. 528, pi. 20, fig. 2.— Reed, Quart. Jour. Geol. Soc. London, 58, 1902, 



pp. 62, 73. 



Arctinurus boltoni (Bigsby). 



Paradoxides boltoni Bigsby, Jour. Acad. Nat. Sci. Pliiladelphia, Istser., 4, pt. 2, 

 1825, p. 365, pi. 23.— Green, Mon. Tril. N. A., 1832, p. 60, pi. 1, fig. 5.— 

 Harlan, Trans. Geol. Soc. Pennsylvania, pt. 1, 1834, p. 103. 



Arctinurus boltoni Castelnau, P^ssai Syst. Sil. I'Amer. Sept., 1843, p. 21, pi. 3, 

 fig. 2.— Grabau and Shimer, N. A. Index Fossils, 2, 1910, p. 307, fig. 1618. 



84243°— Bull. 92—15 5 



