scHccHEKTl INDEX AND BIBLIOGRAPHY. 243 



Leptobolus occidentalis IJall. M;i<iuoketa (Ord.). 



Leptobolus ocii(leutali.s Hall, Description n. sp. Foss. from lliulsoii IJiver Group, 



1871, p. 3, pi. 3, fig. 18;— Twenty-fourth Kep. New York State Cab. Nat. Hist., 



1872, p. 227, pi. 7, fig. 18.— Hall and Clarke, Tal. New York, VIII, Pt. I, 

 1892, pi. 3, fig. 7. 



Loc. Hawleys Mills, Iowa; PlatteviHo, Wisconsin; Ottawa, Canaila (Ami). 



Leptocceliii Hall = Aiioplotbeca. 

 Leptoccelia propria IIall = Anoplotheca flabellites. 

 Leptoca'lia disparilis riaIl = Atrypitia disparilis. 

 Leptoca'lia iinbricata Uail = Atrypina inibricata. 

 LEPTOSTROPHIA Hall and Clarke. 



Genotype Stropheodonta magnifica Hall. 



Leptostrophia Hall and Clarke. Pal. New York, VIII, Pt. 1, 1892, p. 2«8;— Elev- 

 enth Ann. Kep. New York State Geologist, 1894, p. 281. 



Ohs. This is a subdivision of Stropheodonta. The following species have been 

 referred to it : S. magnifica, S. perplana, S. textilis, S. beckei, S. magniventra, 

 S. junia, S. irene, S. blainvillei, and S. tullia. 



LINDSTRffiMELLA Hall and Clarke. Genotype L. aspidium H. and V. 



Lindstrcpmella Hall and Clarke, Extract Pal. New York, VIII, 1890, p. 134;— Pal. 

 New York, VIII, Pt. I, 1892, p. 134 ;— Eleventh Ann. Rep. New York State 

 Geologist, 1894, p. 257. 



Lindstrcemella aspidium Hall and Clarke. Hamilton (Dev,). 



Liudstrceniella aspidium Hall and Clarke, Extract Pal. New York, VIII, 1890, p. 

 134, pi. 4E, figs. 25-28;— Pal. New York, VlII, Pt. I, 1892, pp. 134, 178, pi. 4E, 

 figs. 25-28, 

 Loc. Leonardsville, Hamilton, Darien, etc.. New York. 



LINGULA Bruguiere. Genotype Lingula anatina Lamarck. 



Llngula Bruguit^re, Encyclopc^die Methodique, I, 1792, pi. 250. — Meek and Hay- 

 den, Pal. Upper Missouri, Smithsonian Cont. to Knowl., XIV, 172, 1864, p. 

 68.— Hall, Pal. New York, IV, 1867, p. 5.— Dall, American .lour. Conch., VI, 

 1870, pp. 153, 154.— Meek, Hayden's U. S. Geol. Survey Terr., IX, 1876, p. 7.— 

 Dall, Bull. U. S. Nat. Museum, 8, 1877, p. 43.— Hall and Clarke, Pal. New 

 York, VIII, Pt. I, 1892, pp. 2, 161.— Winchell and Schuchert, Minnesota 

 Geol. Survey, III, 1893, p. 338.— Hall and Clarke, Eleventh Ann. Rep. New 

 York State Geologist, 1894, p. 226. 



Lingula acuminata Hall = Lin gulepis acuminata. 

 Lingula acutangula Koemer=Lingulepis acutangulus. 



Lingula acutirostris Hall. Clinton (Sil.). 



Lingula acutirostra Hall, Geol. New York; Rep. Fourth Dist., 1843, p. 77, fig. 9 



on p. 76;— Pal. New York, II, 1852, p. 56, pi. 20, fig. 5. 

 Loc. Wolcott, New York. 

 Oha. Based upon a single specimen now lost. 



Lingula aequalis Hall. Trenton (Ord.). 



Lingula a<iualis Hall, Pal. New York, I, 1847, p. 95, pi. 30, fig. 3.— Walcott, Proc. 



U, S. Nat. Mus., XI, 1888, p. 480, fig. 3.— Hall and Clarke, Pal. New York, VIII, 



Pt. I, 1892, p. 9, fig. 4. 

 Loc. Middlevilie, Trenton Falls, and Rome, New York. 



Lingula alba-pinensis Walcott. Upper Devonian. 



Lingula albapinensis Walcott, Mon. U. S. Geol. Survey, \'III, 18^!4, p. 10?<, pi. 2, 



fig. 1. 

 Loc. White Pine district, Nevada. 



