BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 999 



Plectoceras bickinoreanuni — Continued. 



Lituites (Ophidioceras) bickmoreanus Kindle and Breger, 28th Ann. Rep. Dep. 



Geol. Nat. Res. Indiana, 1904, p. 473, pi. 25, fig. 1. 

 Plectoceraa bicknioreanum Grabau and Shimer, N. A. Index Fossils, 2, 1910, 



p. 73. 

 Niagaran: Wabash, Delphi, Huntington, etc., Indiana. 

 Plesiotype.— Cat. No. 52946, U.S.N.M. 



Plectoceras bondi (Safford). 



Cyrtoceras Bondi Safford, Geol. Tennessee, 1869, p. 290, pi. 4 (G. 3), fig. 3a-d. 

 Plectoceras bondi Grabau and Shimer, N. A. Index Fossils, 2, 1910, p. 73. 

 Stones River (Murfreesboro): Central Tennessee. 



Plectoceras lialli (Foord). 



Inachus undatus (part) Conrad, in Eninion's Geology, New York, pt. 2, Surv. 2d 



Geol. Dist., 1842, p. 394, No. 104, "fig. 2, edge view." 

 Lituites undatus (part) Hall, Pal. New York, 1, 1847, p. 52, pi. 13, figs, la, lb.— 



Emmons, Amer. Geol., pt. 2, 1855, p. 146, pi. 5, fig. 14a. — Bilblngs, Geol. 



Canada, 1863, pp. 156, 951. 

 Cryptoceras undatum Chapman, Canadian Jour., n. s., 2, 1857, p. 267; Ann. Mag. 



Nat. Hist., 2d ser., 20, p. 107. 

 Trocholites undatus (part) Hyatt, Proc. Boston Soc. Nat. Hist., 22, 1883, p. 267. 

 Trochoceras halli Foord, Cat. Sil. Foss. Ceph. British Mus., pt. 2, 1891, p. 42, 



figs. 4a-b. 

 Plectoceras halli Whiteaves, Ottawa Nat., 17, 1903, p. 119, 120, 161; Geol. Surv. 



Canada Pal. Foss., 3, pt. 4, 1906, p. 302, pi. 35, figs. 3, 4, 4a. 

 Plectoceras obscurum Hyatt, Proc. Amer. Phil. Soc, 32, 1894, p. 445. 

 Black River: Lorette, near Quebec, and near Ottawa, Canada. 



Plectoceras jason (Billings). 



Nautilus Jason Billings, Canadian Nat. Geol., 4, 1859, p. 464. 



Plectoceras Jason Hyatt, Boston Soc. Nat. Hist. Proc. 22, 1884, p. 268; Amer. Phil. 



Soc. Proc, 32, 1894, p. 499.— Whiteaves, Ottawa Nat., 17, 1903, p. 120.— 



Ruedemann, Bull. New York State Mus., 90, 1906, p. 484, pi. 24, fig. 1; pis. 



29-31, figs. 42-44.— Whiteaves, Geol. Surv. Canada Pal. Foss., 3, pt. 4, 1906, 



p. 301, pi. 36, figs. 1, 2. — Grabau and Shimer, N. A. Index Fossils, 2, 1910. 



p. 73, fig. 1285.— Ruedemann, Bull. New York State Mus., 158, 1912, p. 



141, pi. 1. 

 Chazyan: Mingan Islands Canada (Mingan); Valcour Island, New York (Crown 



Point). 



Plectoceras obscurum Hyatt. See Plectoceras halli. 



Plectoceras tyrans (Billings). 



Nautilus tyrans Billings, Canadian Nat. Geol., 4, 1859, p. 465. 



Plectoceras tyrans Schuchert and Twcnhofel, Bull. Geol. Soc. Amer., 21, 1910, 



p. 691. 

 Chazyan (Mingan): Mingan Islands, Canada. 



Plectoceras? undatum (Conrad). 



Inachus undatus (pars) (Conrad MS.) Emmons, Nat. Hist. New York, Geol., 2, 



1842, p. 394, fig. 104. 

 Lituites undatus Hall (part), Pal. New York, 1, 1847, p. 52, pi. 13, fig. 1; pi. 13 

 (bis).— Emmons, Amer. Geology, 1, pt. 2, 1855, p. 146, pi. 5, fig. 14; Man. 

 Geol., 1860, p. 97, fig. 86.— Chapman, Canadian Jour., n. s., 8, 1863, p. 23, 

 fig. 135; p. 198, fig. 173; ExpoB. Min. Geol. Canada, 1864, p. 131, fig. 135; 

 p. 170, fig. 173. 



