c H A r T p: K V \ . 



INDEX ANI> 13115 I^10C;RA1*1IV OF AMERICAN FOSSIE 



13RACII10P0DA. 



ACAMBONA White. Genotype A. prima White. 



Acauibona White, Proc. Boston Soc. Nat. Hist., IX, 1862, p. 27, tij;8. 1, 2.— Hall and 

 Clarke, Pal. New York, VIII, Pt. II, 1893, p. 119; —Thirteenth Ann. Rep. N. Y. 

 State Geologist, 189.5, p. 797. 



Acamboua osagensis (Swallow). Chouteau (L. Carb.). 



Retzia osagensis Swallow, Trans. St. Louis Acad. Sci., I, 1860, p. 6.53. 

 Acambona? osagensis Hall and Clarke, Pal. New York, VIII, Pt. II, 1893, ]>. 120, 



pi. 51, tigs. 38, 39. 

 Retzia? osagensis Keyes, Geol. Survey Missouri, V, 1895, p. 94. 

 Loc. Cooper and Benton counties, Missouri. 



Acambona prima White. Burlington (L. Carb.). 



Acambona prima White, Proc. Boston Soc. Nat. Mist., IX, 1862, p. 27, tigs. 1,2. — 



Hall and Clarke, Pal. Nev/ York, VIII, Pt. II, 1893, p. 119, pi. 51, figs. 40, 41. 

 Eumetria prima Miller, North American Geol. and Pal., 1889, p. 346. 

 Loc. Burlington, Iowa. 

 Ohs. It is probable that this species is identical with A. osagensis. 



ACROTHELE Liniiarsson. Genotype A. coriacea Liimarsson. 



Acrothele Liunarsson, Biliang till Kgl. Svenska Vetens.-Akad. Hand!., Ill, 



1876, p. 20.— Walcott, Bull. U. S. Geol. Survey, 30, 1886, p. 107.— Hall and 



Clarke, Pal. New York, VIII, Pt. I, 1892, pp. 98, 167;— Elevcntli Ann. Rep. 



N. Y. State Geologist, 1892, p. 249. 



Acrothele bellula Walcott. Middle Cambrian. 



Acrothele bellula Walcott, Proc. U. S. National Mus., XIX. 1«97, p. 716, pi. 60, 



(iga. 4-4e. 

 Loc. Cowans Creek, Cherokee (Jounty, Alabama. 



Acrothele decipiens Walcott. Lower Cambrian. 



Acrothele decipiens Walcott, Proc. U. S. National Mus.,XIX, 1897, p. 716, pi. 60, 



lig. 2. 

 Loc. Near Stoner's, York County, Pennsylvania. 



Acrothele (?) dichotoma Walcott. Lower Cambrian. 



Acrothele? dichtoma Walcott. Mon. IJ. S. Geol. Survey, VllI, 1884, p. 14, ].l. 9, 



(ig. 11 ;— Bull. IJ. S. Geol. Survey, 30, 1886, p. 107. 

 I.vc. Kureka distriit. Nevada. 



Acrothele matthewi (Uurtt). Middle Cambrian. 



Liugula matthewi Hartt, Dawson's Acadian Geology, 2d ed., 18(iS, p. 644, 



fig. 221;— Ibidem, 3d ed., 1874, p. 644, fig. 221. 

 Acrothele matthewi Matthew, Trans. Royal Soc. Canada, III, 1886, p. 39, pi. 5, 

 fig. 15.— Hall and Clarke, Pal. New York, VIII, Pt. 1, 1892, p. 99, pi. 3, fig. 29.— 

 Matthew, Trans. N. Y.Acad. Sci., XIV, 1895, p. 128, pi. 5, figs. 6,7,8. 

 J.oc. Portland, New Brunswick; Manucls Brook, Conception Bay, Newfound- 

 land. 

 138 



