64 BULLETIN 53, UNITED STATES NATIONAL MUSEUM. 



103. Baena arenosa Leidy. Type. 



Carapace and plastron. Bridger (Eocene). Junction of 

 Big Sandy and Green rivers, Wyoming. 



Leidy, Proc. Acad. Nat. Sci. Pbila., 1870, p. 123; Rept. U. S. Geol. 

 Surv. Terr., I, 1873, pp. 161, 341, pi. 13, figs. 1, 2. 



974. Baena arenosa Leidy. Plesiotype. 



Anterior part of plastron. Bridger (Eocene). Junction of 

 Big Sandy and Green rivers, Wyoming. 



Leidy, Rept. U. S. Geol. Surv. Terr., I, 1873, p. 161, pi. 15, figs. 4, 5. 



107. Baena arenosa Leidy. Plesiotype. 



Part of carapace and plastron. Eocene. New Mexico. 



Cope, Rept. U. S. Geogr. Surv. W. 100th Merid., IV, Pt. II, 1877, 

 p. 52, pi. 24, fig. 32. 



2275. Baena hebraica Cope. Type. 



Posterior part of carapace and plastron. Bridger (Eocene). 

 Cottonwood Creek, Wyoming. 



Cope, Pal. Bull. No. 1, 1872, p. 4; Proc. Amer. Phil. Soc, XII, 

 1872, p. 463; Rept. U. S. Geol. Surv. Terr., Ill, 1884, p. 146, 

 pi. 19, figs. 1, 2. 



4056. Baena ponderosa Cope. Type. 



Numerous parts of carapace. Bridger (Eocene). Bad 

 Lands, Hams Fork, Wyoming. 



Cope, Sixth Ann. Rept. U. S. Geol. Surv. Terr, for 1872, 1873, 

 p. 624; Rept. U.S. Geol. Surv. Terr., Ill, 1884, p. 150, pi. 17, 

 figs. 3-8. 



1152. Baptemys costilatus (Cope). See Dermatemys costilatus. 



4739. Bison alticornis Marsh. Type. 



Horn cores and connecting portion of skull. Laramie (Cre- 

 taceous). Green Mountain Creek, near Denver, Colo- 

 rado. 

 Marsh, Amer. Journ. Sci. (3), XXXIV, 1887, p. 323, text figs. 1, 2. 

 = Ceratops alticornis. 



4989. Brachauchenius lucasi Williston. Type. 



Palatal surface of skull, mandibles, thirty-four vertebrae in 



sequence with the atlas, and numerous ribs of both 



sides. Fort Benton (Cretaceous). Near Ada, Ottawa 



County, Kansas. 



Williston, Field Columbian Mus. Pub., No. 73, Geol. Ser. II, No. 

 1, 1903, p. 57, pis. 24, 25. — Lucas, Smithsonian Misc. Coll. 

 (Quart. Issue), XLV, 1903, p. 96. 



5383. Brontosaurus excelsus Marsh. Plesiotype. 



Terminal phalanx. Morrison (Jurassic). Como, Wyo- 

 ming. 



Marsh, Sixteenth Ann. Rept. U. S. Geol. Surv. for 1894-5, Pt. 1, 

 1S96, p. 174, text figs. 21-23. 



4712. Brontosaurus sp. Plesiotype. 



Cervical vertebras. Morrison (Jurassic). Canyon City, 

 Colorado. 

 Hatcher, Mem. Carnegie Mus., II, 1903, p. 75. 

 See Diplodocus longus. 



