BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 1287 



Triarthrus beckl Continued. 



Jour. Sci., 47, 1844, p. 371, fig. 1; p. 370, fig. Hall, Amer. Jour. Sci., 2d ser., 

 5, 1848, pp. 322-327, figs. Roemer, Neues Jahrb. Min. Geol. Pal., 1848, 

 p. 179. Haldeman, Amer. Jour. Sci., 2d ser., 8, 1848, p. 137. Emmons, 

 Amer. Assoc. Adv. Sci., 1849, p. 17; Amer. Geology, 1, pt. 2, 1855, p. 214, 

 pi. 15, fig. 12; pi. 17, fig. 13. Billings, Canadian Nat. Geol., 4, 1859, p. 

 383. Lincklaen, 14th Rep. New York State Cab. Nat. Hist., 1861, p. 49, 

 pi. 4, fig. 13. Barrande, Bull. Soc. Geol. de France, 2d ser. 18, 1861, p. 269, 

 pi. 5, figs. 11, 12. Hitchcock, Geol. Vermont, 1, 1861, pp. 308, 322. Billings, 

 Geol. Canada, Geol. Surv. Canada, 1863, p. 202, fig. 202. Chapman, Cana- 

 dian Jour. n. s., 8, 1863, p. 32, fig. 149; p. 203, fig. 200. Expos. Min. Geol. 

 Canada, 1864, p. 140, fig. 149; p. 175, fig. 200. Linnarsson, Kongl. Sven. 

 Vet.-Akad. Handl., 8, No. 2, 1869, p. 70, pi. 1, fig. 27. Miller, Cincinnati 

 Quart. Jour. Sci., 1, 1874, p. 146. Nicholson, Rep. Pal. Prov. Ontario, pt. 2, 

 1875, p. 39. Walcott, Trans. Albany Inst., 10, 1876 (adv. sheets, 1879), p. 23, 

 pi. 2, figa. 1-15, pp. 3, footnote, 9 (loc. occ.). Emerson, Narrative Hall's 

 Sec. Arctic Exped., U. S. Navy Dep., 1879, p. 582. Ford, Amer. Jour. Sci., 

 3d ser., 19, 1880, p. 152. Miller, N. A. Geol. Pal., 1889, p. 568, fig. 1062. 

 Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1890, p. 1208, figs. W. D. Mat- 

 thew, Trans. New York Acad. Sci., 12, 1893, p. 237, pi. 8; Amer. Jour. Sci., 

 3d ser., 46, 1893, p. 121, pi. 1, figs. 1-7. Beecher, ibid., 1893, p. 378, fig. 1, 

 p. 467, figs. 1-4. Walcott, Proc. Biol. Soc. Washington, 9, 1894, pi. 1, figs. 

 1-6; Geol. Mag., dec. 4, 1, 1894, pi. 8, figs. 1-6. Bernard, Quart. Jour. Geol. 

 Soc. London, 50, 1894, p. 425, fig. 11; p. 426, fig. 12. Beecher, Amer. Jour. 

 Sci., 3d ser., 47, 1894, p. 298, fig. 1, pi. 7, figs. 1-4.; Amer. Geol., 13, 1894, 

 pp. 38-43, pi. 3, figs. 1-9; ibid., 15, 1895, pp. 91-100, pi. 4, fig. 1; pi. 5, figs. 

 1-11; ibid., 16, 1895, p. 172, pi. 8, figs. 12-14; pi. 10, fig. 1; Amer. Jour. Sci., 

 4th ser., 1, 1896, p. 256, pi. 8, figs. 1, 2. Barnard, Sci. American Suppl., 40, 

 1895, p. 16534. Beecher, Geol. Mag., dec. 4, 3, 1896, pi., figs. 1, 2. (Ehlert, 

 Bull. Soc. Geol. France, 3d ser., 24, 1896, pp. 99-108, figs. 1-17; p. 115, figs. 

 34. Jaekel, Zeits. d. d. geol. Gesell., 53, 1901, p. 161, fig. 24, p. 162. Beecher, 

 Amer. Jour. Sci., 4th ser., 13, 1902, pi. 2, figs. 1-5; pi. 3, fig. 1; pi. 4, fig. 1; 

 pi. 5, figs. 2-4; Geol. Mag., dec. 4, 9, 1902, p. 155, figs. 1-3, pis. 9, 10, 11. 

 Perkins, Rep. State Geol. Vermont, 3, 1902, p.. 169, fig. Bassler, Bull. Vir- 

 ginia Geol. Surv., 2a, 1909, pi. 7, figs. 6-8. Grabau and Shimer, N. A. Index 

 Fossils, 2, p. 286, fig. 1590. 



Brongniatia carcinodea Eaton, Geol. Textb., 2d ed., 1832, p. 33, pi. 1, fig. 3; Amer. 

 Jour. Sci. Arts, 22, 1832, p. 166. 



Cancer trilobioides Eaton, Amer. Jour. Sci. Arts., 21, 1832, p. 135. 



Paradoxides triarthrus Harlan, Trans. Geol. Soc. Pennsylvania, 1, 1835, p. 264, 

 pi. 15, fig. 5; Med. Phys. Res., 1835, p. 401, pi. fig. 5. 



Paradoxides arcuatus Harlan, Trans. Geol. Soc. Pennsylvania, 1, 1835, p. 265, pi. 

 15, figs. 1-3; Med. Phys. Res., 1835, p. 401, pi. figs. 1-3. 



Paradoxides Beckii Hall, Amer. Jour. Sci., 33, 1838, p. 142, fig. 1. 



Paradoxides Eatoni Hall, Amer. Jour. Sci., 33, 1838, fig. 2. 



Olenus arcuatus Goldfuss, Neues Jahrb. Min., Geol., Pal., 1843, p. 545 (gen. ref.). 



Olenus triarthrus Goldfuss, Neues Jahrb. Min., Geol., Pal., 1843, p. 545 (gen. ref.). 



Calymene beckii Hall, Pal. New York, 1, 1847, pp. 237, 250, pi. 66, figs. 2a-k. 

 Rogers, Geol. Pennsylvania, 2, pt. 2, 1858, p. 820, fig. 613. Emmons, Man. 

 Geol., 1860, p. 100, fig. 89; p. 101, fig. 91. 



Trenton, Utica and Eden: Various localities in the United States and Canada. 



Plastotypes.C&t. No. 4966, U.S.N.M. 



