BIBLIOGEAPHIC LIST OF GENERA AND SPECIES. 55 



APATOKEPHALUS Brogger. Genotype: Trilobites serratus Boeck. 



Apatokephalus Brogger, Nyt. Mag. f. Naturvid, 36, 1897, p. 184. 

 Tramoria Reed, Quart. Jour. Geol. Soc. London, 55, 1899, p. 758, pi. 49, figs. 14-16; 

 Geol. Mag., dec. 4, 7, 1900, p. 46. 



Apatokephalus corax (Billings). 



Dikelocephalus? corax Billings, Pal. FOBS., 1, Geol. Surv. Canada, 1865, p. 334, 

 fig. 322a, b. Matthew, Trans. Royal Soc. Canada, 10, sec. 4, 1893, p. 11, foot- 

 note. 



Ozarkian ? (Levis erratic): Point Levis, Quebec. 



Apatokephalus (in alls (Walcott). 



Dicellocephalus finalis Walcott, Mon. U. S. Geol. Surv., 8, 1884, p. 89, pi. 12, 



figs. 12, 12a, 22. Matthew, Trans. Royal Soc. Canada, 10, sec. 4, 1893, p. 11, 



footnote. 



Apatokephalus finalis Brogger, Nyt. Mag. f. Naturvid., 1897, p. 175, fig. 6a, p. 184. 

 Upper Pogonip: Ridge east of Hamburg Ridge, Eureka District, Nevada. 

 Cotypes Cat. No. 24563, U.S.N.M. 



APATOKEPHALUS MAGNIFICUS Brogger. See Hungaia magnifica. 

 APATOKEPHALUS SCHLOTHEIMI Billings. See Remopleurides? schlotheimi. 



APHETOCERAS Hyatt. Genotype: A. americanum Hyatt. 



Aphetoceras Hyatt, Proc. Amer. Phil. Soc., 32, 1894, p. 447. Miller, N. A. Geol. 

 Pal., 2d App., 1897, p. 771. Grabau and Shimer, N. A. Index Fossils, 2, 1910, 

 p. 65. 



Aphetoceras americanum Hyatt. 



Aphetoceras americanum Hyatt, Proc. Amer. Phil. Soc., 32, 1894, p. 447, pi. 6, 



figs. 5-8. Grabau and Shimer, N. A. Index Fossils, 2, 1910, p. 65. 

 Canadian: Port au Choix, Newfoundland. 



Aphetoceras attenuatum Hyatt. 



Lituites farnsworthi Billings (part), Geol. Surv. Canada, Pal. Foss., 1, 1861, p. 21. 

 Aphetoceras attenuatum Hyatt, Proc. Amer. Phil. Soc., 32, 1894, p. 449. Ruede- 



mann, Bull. New York State Mus., 90, Pal., 14, 1906, p. 475. 

 Canadian (Beekmantown) : Phillipsburg, Missisquoi County, Quebec. 



Aphetoceras boreale Hyatt. 



Aphetoceras boreale Hyatt, Proc. Amer. Phil. Soc., 32, 1894, p. 448, pi. 5, figs. 



15-17. 

 Canadian: Schooner Island, Newfoundland. 



Aphetoceras complanatum (Shumard). 



Lituites complanata Shumard, Trans. Acad. Sci. St. Louis, 2, 1863, p. 107. 



Eeyes, Missouri Geol. Surv., 5, 1895, p. 225. 

 Aphetoceras complanatum Miller, N. A. Geol. Pal., 2d App., 1897, p. 771 (gen. 



ref.). 

 Canadian ( Yellville) : Ozark County, Missouri. 



Aphetoceras farnsworthi (Billings). 



Lituites Farnsworthi Billings, Pal. Foss., 1, Geol. Surv. Canada, 1865, p. 21, fig. 

 24 (adv. sheets, 1861); Geol. Vermont, 2, 1862, p. 958, fig. 364; Rep. Econ. 

 Geol., etc., Vermont, 1862, p. 230, fig. 364; Geol. Canada, Geol. Surv. Canada, 

 1863, p. 277, fig. 283. Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1889, p. 

 354, fig. 



