C H A P T ]^] R VI. 



INDEX AND BIBI.IOGRAPHY OF AMERICAN FOSSIt. 



BRACHIOPODA. 



ACAMBONA White. Genotype A. prima White. 



Acauiboua VVbitt-, I'roc. Boston Soc. Nat. Hist., IX, 1862, p. L'7, tij^s. 1, 2.— Hall and 

 Clarke, Pal. New York, VIII, Pt. II, 18<J3, p. 119; —Thirteenth Ann. Kep. N. Y. 

 State Geologist, 1895, p. 797. 



Acambona osagensis (Swallow). Chouteau (L. Garb.). 



Ketzia osagensis Swallow, Trans. St. Louis Acad. Sci., I, 1860, p. 653. 

 Acambona? osagensis Hall and Clarke, Pal. New York, VIII, I't. II, 1893, p. 120, 



pi. 51, tigs. 38, 39. 

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

 Loc. Cooper and Bentou counties, Missouri. 



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



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



Hall and Clarke, Pal. Ne-nr York, VIII, Pt. II, 1893, p. 119, pi. 51, figs. 10, 41. 

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

 Log. Burlington, Iowa. 

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



ACROTHELE Linnarsson. Genotype A. coiiacea Liunarsson. 



Acrothele Linnarsson, Bihang till Kgl. Svenska Voteus.-Akad. Handl., Ill, 



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



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



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



Acrothele bellula Walcott, Middle Cambrian. 



Acrothele bellula Walcott, Proc. II. S. National Mus., XIX, 1897, p. 716, pi. 60, 



figs. 4-4e. 

 Loc. Cowans Creek, Cherokee County, Alabama. 



Acrothele decipiens Walcott. Lower Cambrian. 



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



fig. 2. 

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



Acrothele (?) dichotoma Walcott. Lower Cambrian. 



Acrothele? dichtoma Walcott, Mon. IJ. S. Geol. Survey, VIII, 1884, p. 14, pi. 9, 



fig. 11 ;— Bull. U. S. Geol. Survey, 30, 1886, p. 107. 

 Loc. Eureka district, Nevada. 



Acrothele matthewi (Ilartt). Middle Cambrian. 



Lingula matthewi Hartt, Dawson's Acadian Geology, 2d ed., 1868, 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. 

 Loc. Portland, New Brunswick; Manuels Brook, Conception Bay, Newfound- 

 laud. 

 138 



