594 BULLETIlSr 92, UNITED STATES NATIONAL MUSEUM. 



Hebertella occidentalis Hall. 



Orthis occidentalis Hall, Pal. New York, 1, 1847, p. 127, pi. 32A, fig. 2; pi. 32B, 

 fig. 1; 12th Rep. New York State Cab. Nat. Hist., 1859, p. 72.— Billings, Geol. 

 Canada, 1863, p. 210, fig. 210. 

 Hebertella occidentalis Foerste, Bull. Sci. Lab. Denison Univ., 14, 1910, p. 53, 



pi. 2, figs. 1, 2. 

 Maysville and Richmond: Maysville, etc., Kentucky'; Cincinnati, Ohio, and 

 vicinity; Oxford, etc., Ohio; Indiana. 

 Observation. — See also H. alveata Foerste. 



Hebertella occidentalis sinuata Hall. 



Orthis sinuata Hall, Ral. New York, 1, 1847, p. 128, pi. 32B, fig. 2.— Miller, Cin- 

 cinnati Quart. Jour. Sci., 2, 1875, p. 36. — Slialer, Fossil Brach. Ohio Valley 

 1876, pi. 8.— Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1889, p. 533, figs 



Orthis occidentalis var. sinuata Meek, Pal. Ohio, 1, 1873, p. 98. 



Hebertella sinuata Hall and Clarke, Pal. New York, 8, pt. 1, 1892, p. 222, pi. 5A 

 figs. 1-8.— Hayes and Ulrich, U. S. Geol. Surv., Folio 95, ill. sheet, 1903 

 fig. 17. — Cumings, Amer. Jour. Sci. (4), 15, 1903, p. 34, footnote. — Grabau 

 and Shimer, N. A. Index Fossils, 1, 1907, p. 256, fig. 306.— Foerste, Bull. Sci 

 Lab. Denison Univ., 16, 1910, p. 52, pi. 2, fig. 5. 



Hebertella occidentalis sinuata Schuchert, Bull. U. S. Geol. Surv., 87, 1897, p 

 229.— Cumings, 32d Ann. Rep. Dep. Geol. Nat. Res. Indiana, 1908, p. 908 

 pi. 34, figs. 3-3e. 



Maysville and Richmond: Cincinnati, Ohio, and vicinity; Kentucky; Ten- 

 nessee; Indiana; etc. 



Plesiotype.— Cat. No. 35398, U.S.N.M. (Hayes and Uhich). 



Hebertella (Eridorthis) rogersensis (Foerste). 



Plectorthis (Eridortliis) rogersensis Foerste, Bull. Sci. Lab. Denison Univ., 14, 



1909, p. 223, pi. 14, figs. 4a-b. 

 Trenton (Upper): Rogers Gap, Kentucky. 

 Observation. — Probably only a variety of H. nicklesi. 



Hebertella scovilli Hall and Clarke. See Plectorthis (Austinella) scovilli. 



Hebertella sinuata Hall and Clarke. See Hebertella occidentalis sinuata. 



Hebertella subjugata (Hall). 



Orthis subjugata Hall, Pal. New York, 1, 1847, p. 129, pi. 32C, fig. 1.— Owen(?), 

 Geol. Surv. Wisconsin, Iowa, Minnesota, 1852, pi. 2B, figs. 4, 5. — Emmons, 

 Amer. Geol., 1, pt. 2, 1855, p. 196. 



Hebertella subjugata Foerste, Bull. Sci. Lab. Denison Univ., 16, 1910, p. 54, pi. 

 2, fig. 8; ibid., 17, 1912, p. 129, pi. 8, fig. 6. 



Trenton-Richmond: Cincinnati, Ohio, and vicinity; Indiana; Kentucky; Ten- 

 nessee; Virginia, etc. 



Plesioty pes. —C&t. Nos. 17885, 17891, U.S.N.M. 



Hebertella vulgaris Raymond. 



Orthis perveta Billings (not Conrad), Canadian Nat. Geol., 4, 1859, p. 434. 

 Orthis subsaquata Billings (not Billings, 1856), Canadian Nat. Geol., 1859, p. 



434. 

 Orthis gibbosa Billings, Canadian Nat. Geol., 4, 1859, p. 434. 

 Hebertella vulgaris, Raymond, Ann. Carnegie Mus., 3, 1906, p. 501; ibid., 7, 



no. 2, 1911, p. 242, pi. 36, figa. 2-5, figs. 15-18, 22. 

 Chazyan: Chazy, Valcour Island, etc., New York (Day Point — Valcour); Canada 



(Aylmer); East Tennessee (Lenoir). 



