BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 677 



Isotelus gigas — Continued. 



Carnegie Mus., 7, 1910, p. 53, pi. 15, figs. 1, 2.— Ruedemann, Bull. New York 

 State Mu8., 162, 1912, p. 116, pi. 10, fig. 1.— Slocom, Field Mus. Nat. Hist., 

 Geol. Ser., 4, 1913, p. 47. — Raymond, Roy. Soc. Canada, Trans, and Proc, 

 3d ser., 5, sec. 4, 1912, p. 119, pi. 2, figs. 7, 9; p. 120, pi. 3, fig. 6; Bull. Mus. 

 Comp. Zool., 58, 1914, p. 248, pi. 1, figs. 1, 2; pi. 2, figs. 2-5; pi. 3, fig. 3. 



Asaphus gigas Dalman, K. K. Akad. Handl. for 1826, 1827, p. 276.— Packard, 

 Amer. Nat., 14, 1880, pp. 505-508, figs. 2-4.— Nicholson and Etheridge, Mon. 

 Sil. Foss. Girvan Dist., 1880, p. 153, pi. 10, figs. 18, 19.— Chamberlin, Geol. 

 Wisconsin, 1, 1883, p. 160, fig.— Miller, N. A. Geol. Pal., 1889, p. 531, fig. 967.— 

 Rowley, Missouri Bur. Geol., Mines, 2d ser., 8, 1908, p. 57, pi. 15, fig. 2. 



Asaphus (Isotelus) gigas Hall, Rep. Geol. Surv. Wisconsin, 1862, p. 41, fig. 5.— 

 Miller, Cincinnati Quart. Jour. Sci., 1, 1874, p. 138.— Whiteaves, Pal. Foss., 

 Geol. Surv. Canada, 3, pt. 3, 1897, p. 232. 



Asaphus platycephalus Stokes, Trans. Geol. Soc. London, 2d ser., 1, 1824, p. 208. — 

 Bronn, Leth. Geog., 1, 1835, p. 115, pi. 9, fig. 8. — Green, Amer. Jour. Sci., 37, 

 1839, p. 37.— Buckland, Bridgw. Treatise, 2, 1840, p. 76, pi. 63, fig. 12.— 

 Burmeister, Org. Tril., 1846, p. 110, pi. 2, fig. 12 (Roy. Soc. ed., 1846).— 

 Billings, Geol. Canada, Geol. Surv. Canada, 1863, p. 219, fig. 229.— Chapman, 

 Canadian Jour., n. s., 4, 1859, p. 142; 8, 1863, p. 29, fig. 140; p. 200, fig. 196; 

 Expos. Min. and Geol., 1864, p. 172, fig. 196.— Billings, Canadian Nat., 1864 

 (2), 1, 1864, p. 370.— Woodward, Quart. Jour. Geol. Soc. London, 26, 1870, 

 p. 487, fig. 1.— Dana, Amer. Jour. Sci., 3d ser., 1, 1871, pp. 320, 386; Ann. 

 Mag. Nat. Hi§t., 4th ser., 7, 1871, p. 366.— Woodward, Geol. Mag., 8, 1871, pi. 

 8, fig. 1.— Dana, Canadian Nat., n. 9., 6, 1872, p. 348.— Eichwald, Neues 

 Jahrb. f. Min. Geol. Pal., 1873, p. 1, pi. 1.— Walcott, 28th Rep. New York 

 State Mus. Nat. Hist., doc. ed., 1875 (1877), footnote, p. 95; ibid., mus. ed., 

 1879; 31st Rep. New York State Mus. Nat. Hist., 1879, pp. 62, 64; Bull. Mus. 

 Comp. Zool., 8, 1881, pp. 191-216, pi. 2, fig. 9; Science, 3, 1884, p. 281.— 

 Woodward, Geol. Mag., dec. 3, 1, 1884, p. 78, text fig. 



Asaphus (Isotelus) platj'cephalus Burmeister, Org. der Tril., Berlin, 1843, p. 127, 

 pi. 2, fig. 12. ' 



Isotelus platycephalus Bronn and Roemer, Leth. Geog., 1, 1851-56, p. 632, pi. 9, 

 fig. 8; pi. 9', fig. 5. 



Isotelus planus DeKay, Ann. Lyceum Nat. Hist. New York, 1, 1824, p. 178, pi. 

 13, fig. 2.— Green, Monthly Amer. Jour. Geol., 1832, p. 560; Mon. Tril. N. A., 

 1832, p. 68, cast 23.— Goldfuss, Neues Jahrb. f. Mem., etc., 1843, pi. 554. 



Asaphus planus Dalman, K. K. Akad. Handl., 1827, p. 276. 



Isotelus stegops Green, Mon. Tril. N. A., 1832, p. 71, cast 26, 27. 



Brongruatia isotelea Eaton, Geol. Textb., 2d ed., 1832, p. 33, pi. 2, fig. 22. 



Asaphus Murclusoni Castelnau, Essai Syst. Sil. I'Amer. Sept., 1843, p. 19, pi. 4, 

 fig. 3. 



?l80telus canalis Clarke, Geol. Minnesota, 3, pt. 2, 1894, p. 707, fig. 9. 



Mohawkian and Cincinnatian: United States and Canada. 

 Observation. — Several distinct species are undoubtedly recorded in the above 



citations. (See Raymond, 1914.) 



Isotelus harrlsl Raymond. 



Isotelus harrisi Raymond, Annals Carnegie Mus., 3, 1905, p. 343, pi. 12, figs. 3, 5, 

 7.— Schmidt, Mem. Imp. Acad. Sci., St. Petersburg, 20, 1907, p. 75.— Ray- 

 mond, 7th Rep. Vermont State Geol., 1010, p. 221, pi. 34, figs. 3, 5-7; pi. 37, 

 fig. 1; Ann. Carnegie Mus., 7, 1910, p. 65, pi. 17, fig. 1, fig. 2. 



Chazyan: Crown Point, Valcour Island, Chazy, and Coopersville, New York; 

 Isle La Motte. Vermont (Crown Point, Valcour); Mingan Islands, Canada 

 (Mingan). 



