260 SYNOPSIS OF AMERICAN FOSSIL BRACHIOPODA. [bull. 87. 



Lingulepis pinniformis (Owen) — Continued. 



Orbicula prima Oweu, Geol. Survey Wisconsin, Iowa, Minnesota, 1852, figs. 17, Ifl. 

 Lingulepis pinuaformis Hall, Sixteenth Rep. New York State Cab. Nat. Hist., 



1863, p. 129, pi. 6, figs. 14-16;— Trans. Albany Institute, V, 1867, p. 107.— 



Whitfield, Powell's Geol. Geogr. Survey Rocky Mountain Region, 1880, p. 



335, pi. 2, figs. 1-4;— Geol. Wisconsin, IV, 1882, p. 160, pi. 1, figs. 2, 3. 

 Lingulepis pinniformis and dakotensis Meok and Hayden, Pal. Upper Missouri, 



Smithsonian Cont. to Knowl., XIV, 172, 1864, pp. 2, 3, pi. 1, fig. 1. 

 Lingulepis dakotensis Whitfield, Powell's Geol. Geogr. Survey Rocky Mountain 



Region, 1880, p. 337, pi. 2, figs. 10, 11. 

 Lingulepis pinniformis Hall and Clarke, Pa). New York, VIII, Pt. I, 1892, p. 60, 



figs. 22, 23; pi. 1, figs. 35, 36. 

 Loc. Falls of St. Croix, Hudson, etc., Wisconsin; Black Hills, South Dakota. 

 Obs. This species also occurs at Ausable Chasm and Whitehall, New York, and 



are there regarded as L. acuminata. It may be advisable to refer Owen's 



species to L. acuminata (Conrad). 



Lingulepis prima Meeli and Hayden =Obolella polita. 



Lingulepis prima (Hall). Upper Cambrian. 



Lingula ovata Emmons, Geol. New York; Re,p. Second Dist., 1842, p. 105 



(undefined). 

 Lingula prima (Conrad MS.) Hall, Pal. New York, I, 1847, p. 3, pi. 1, fig. 2.— 



Emmons, American Geology, Pt. II, 1855, p. 202. 

 Obolella prima Whitfield, Bull. American Mus. Nat. Hist., I, 1884, p. 142, pi. 14, 



figs. 3-5. 

 Lingulepis minima Whitfield, Ibidem, 1884, p. 141, pi. 14, figs. 1, 2. 

 Lingulella? prima Hall and Clarke, Pal. New York, VIII, Pt. I, 1892, p. 69. 

 Loc. Keeseville, Essex, etc.. New York; fBlack Hills, South Dakota. 



Lingulepis primiformis Whitfield. Upper Cambrian. 



Lingulepis prima?formis Whitfield, Ludlow's Rep. Reconn. Black Hills South 



Dakota, 1875, p. 103, pi. 1, fig. 4. 

 Loc. Black Hills, South Dakota. 



LINGULOBOLUS Matthew. Genotype Lingulella( ?) affinis Billings. 



Lingulobolus Matthew, Trans. Royal Soc. Canada, 2d ser., I, 1891"), p. 260. 



Lingulobolus affinis (Billings). Lower Ordovician. 



Lingulella? affinis Billings, Canadian Nat. Geol., n. ser., VI, 1872, p. 468, fig. 



4;— Pal. Fossils, II, 1874, p. 67, fig. 35. 

 Lingulepis affinis Walcott, American Jour. Sci., 3d ser., XXXVII, 1889, p. 381. 

 Lingulobolus affinis Matthew, Trans. Royal Soc. Canada, 2d ser., I., 1896, p. 261, 



pi. 1, fig. 4. 

 Loc. Bell Island, Newfoundland. 



Lingulobolus affinis cuneata Matthew, Lower Ordovician. 



Liugiilobolus affinis var. cuneata Matthew, Trans. Royal Soc. Canada, 2d ser., 



I, 1896, p, 262, pi. 1, figs. 4e, 4d. 

 Loc. Great Bell Island, Conception Bay, Newfoundland. 



LINGULODISCINA Whitfield. Genotype Lingula exilis Hall. 



Lingulodiscina Whitfield, Bull. American Mus. Nat. Hist., Ill, 1890, p. 122, 

 figs. 1-8. 



CEhlertella Hall and Clarke, Pal. New York, VIII, Pt. I, 1890, pp. 133, 168;— Elev- 

 enth Ann. Rep. N. Y. State Geologist, 1894, p. 257. 



Lingulodiscina(?) connata (Walcott). Lower Carboniferous. 



Discina connata Walcott, Mon. U. S. Geol. Survey, VIII, 1884, p. 214, pi. 7, fig. 3. 

 Loc. Eureka district, Nevada. 



