BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 65 



Archinacella simplex Continued. 



Tryblidium simplex Whiteaves, Pal. FOBS., Geol. Surv. Canada, 3, pt. 1, 1884, 



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



pi. 24, figs. 30, 31. Seely, Rep. Vermont State Geol., 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. 



Archinacella simulatrlx Ulrich and Scofield. 



Archinacella 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 (Decorah): St. Paul, Minnesota. 

 Trenton (Hermitage): Frankfort, Kentucky. 

 Holotype.Cat. No. 45695, U.S.N.M. 



Archinacella 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. 

 Holotype.C&t. 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 valid a (Sardeson). 



Tryblidium validum Sardeson, Bull. Minnesota Acad. Nat. 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. PAmer. 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. 1'Acad. Imp. Sci. St. Petersburg, 7th ser., 33, 1885, 



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

 Platynotus Reed, Quart. Jour. Geol. Soc. London, 58, 1902, pp. 60, 62. 

 Pterolichas Gurich, Neues Jahrb. f. Minn., Geol. Pal., Bellage-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. Philadelphia, 1st ser., 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, Essai Syst. Sil. 1'Amer. Sept., 1843, p. 21, pi. 3, 

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



84243 Bull. 9215 5 



