scHucHERT.] INDEX AND BIBLIOGRAPHY. 259 



Lingulepis acuminata (Conrad). Upper Cambrian. 



Lingula acuminata Conrad, Third. Ann. Rep. New York Geol. Survey, 1839, p. 

 64.— Hall, Pal. New York, 1, 1847, p. 9, with fig.— Billings, Geol. Canada, 1863, 

 p. 102, fig. 8.— Matthew, Trans. Royal Soc. Canada, 2d ser., 1, 1896, p. 257, pi. 

 2, fig. 5. 



Lingula antiqua Emmons, Geol. New York; Rep. Second Dist., 1842, p. 268, fig. 

 68.— Hall, Pal. New York, I, 1847, p. 3, pi. 1, fig. 3.— Emmons, American 

 Geology, Pt. II, 1855, p. 202, pi. 4, fig. 7. 



Glossina acuminata Hall and Clarke, Pal. New York, VIII, Pt. I, 1892, pi. 1, 

 figs. 1, 2. 



Loc. Saratoga and Franklin counties, etc., New York; Lansdowne, Bastard, and 

 Beverly, Canada. 



Obs. The material of this species in the collection of the U. S. Geological Sur- 

 vey has specimens which are difficult to separate from L. pinniformis and 

 L. dakotensis, and there is every gradation between these and L. acuminata. 

 See L. pinniformis. 



Lingulepis acutangulus (Roemer). tipper Cambrian. 



Lingula acutangula Roemer, Texas, 1849, p. 420; — Kreidebildung Texas, 1852, p. 



90, pi. 11, fig. 10. 

 Loc. Burnett and Llano counties, Texas. 



Lingulepis afiQnis = Lingulobolus afiSnis. 



Lingulepis cuneolus Whitfield. Upper Cambrian. 



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



Region, Prel. Rep., 1877, p. 8;— Ibidem, Final Rep., 1880, p. 336, pi. 2, 



figs. 5, 6. 

 Lingulepis perattenuatns Whitfield, Ibidem, Prel. Rep., 1877, p. 9; — Final Rep., 



1880, p. 337, pi. 2, figs. 7-9. 

 Loc. Red Canyon Creek, Black Hills, South Dakota. 



Lingulepis dakotensis Meek and Hayden = L. pinniformis. 

 Lingulepis ella Hall and Whitfield = LinguleIla ella. 



Lingulepis(?) maera Hall and Whitfield. Up. Camb. and Pogonip (Ord.). 

 Lingulepis m»ra Hall and Whitfield, King's U. S. Geol. Expl. 40th Pari., IV, 1877, 

 p. 206, pi. 1, figs. 5-7.— Walcott, Mon. U. S. Geol. Survey, VIII, 1884, p. 12. 

 Lingulepis? maera Hall and Clarke, Pal. New York, VIII, Pt. I, 1892, p. 61. 

 Loc. Secret Canyon, Ruby Hill, and Eureka district, Nevada. 



Lingulepis matinalis Hall. Upper Cambrian. 



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



1863, p. 130;— Ibidem, 1863, p. 130, pi. 6, figs. 12, 13. 

 Ohs. A distinct species occurring in numbers in a blue shale just above the trap 



at St. Croix Falls, Wisconsin. 



Lingulepis minima Whitfield=L. prima. 

 Lingulepis minuta Hall and Whitfield=Obolella whitfieldi. 

 Lingulej^is morsensis N. H. Winchell = Liuguhi morsei. 

 Lingulepis perattenuata Whitfield =L. cuneolus. 



Lingulepis pinniformis (Owen). Upper Cambrian. 



Lingula antiqua and prima (non Emmons, Hall, 1847) Foster and Whitney, Geol. 



Rep. Lake Superior Dist., II, 1851, p. 204, pi. 23, figs. 1, 2.— Hall, Geol. 



Wisconsin, I, 1862, p. 21, fig. 3. — Hayden, American Jour. Sci., 2d ser., 



XXXIII, 1863, p. 73. 

 Lingula pinnaformis Owen, Geol. Survey Wisconsin, Iowa, Minnesota, 1852, p. 



583, pi. IB, figs. 4, 6,8.— Hall, Geol. Wisconsin, I, 1862, pp. 21, 435, fig. 3. 



