176 ANNALIS NEW YORK ACADEMY OF i^ClENCES 



G. M. Wheeler in charge, vol. lii, Geology, Supplement, 420 pp., 1 pi., 3 

 maps and 49 figs. Appendix by C. A. White, 33 pp., 3 pis., 1881. [Descrip- 

 tions of beds, some of which are probably Morrison.] 

 1881. 2. Hayden, F. V. : Geological and geographical atlas of Colorado, and 

 portions of adjacent territories. Detailed sheets by F. M. Endlicli, W. H. 

 Holmes, A. C. Peale, A. R. Marvine and C. A. White. To accompany the 

 10th Ann. Rep. [for 1876] of the U. S. geol. and geog. Surv. Terr., F. V. 

 Hayden in charge, 1881. [Maps showing the distribution of the .Jurassic 

 and "Lower Dakota" of Colorado.] 



1881. 3. Miller, S. A. : "North American Mesozoic geology and paleontol- 

 ogy." Cinciu. Soc. Nat. Hist., Journ., vol. iv, pp. 3-46, 93-144, 183-234, 

 1881. [See also 1879, 2, and 1880, 1.] [Sections and descriptions.] 



1882. 1. Hills, R. C. : "Jura-Trias of southwestern Colorado." Amer. Journ. 

 Sci., 3rd ser., vol. xxiii, pp. 234-244, 1882. [General description of beds: 

 some of these are probably Morrison.] 



1884. 1. Cope, E. D. : "Tertiary vertebrata." U. S. geol. and geog. Surv. 

 Terr., F. V. Hayden in charge. Report, vol. iii, vii + 1009 pp., 38 figs.. 138 

 pis., 1884. [In the introduction remarks on Mesozoic stratigraphy are 

 given. The "Camarasaurus Beds" = Wealden. Comparative faunal lists 

 of Morrison and Wealden.] 



1885. 1. Emmons, S. F. : "Report of Rocky Mountain division." U. S. Geol. 

 Surv., 6th Ann. Rep., pp. 62-67, 1885. [The variegated beds near Gunnison 

 separated from the Dakota by a non-conformity.] 



1885. 2. Marsh, O. C. : "On American Jurassic mammals." Brit. Assoc, for 

 the Adv. Sci., Rep., 54th meeting, pp. 734-736, 1 pi., 1885. Geol. Mag., 

 decade iii, vol. iv, pp. 241-247, 289-299, pis. 6-9, 1887. [General section of 

 Mesozoic beds and descriptions of Morrison mammals.] 



1886. 1. Ihlseng, I. H. : "Report on oil fields of Fremont County." Colo. 

 Sch. Mines, Rep., 1885, pp. 75-88, 1886. [Oil present in the Morrison beds 

 near Caiion City.] 



1886. 2. White, C. A. : "On the fresh-water invertebrates of the North 

 American Jurassic." U. S. Geol. Surv., Bull. No. 29, 24 pp.. 4 pis., 1886. 

 [Descriptions and illustrations of all Morrison invertebrates known up to 

 that time. Discussion of origin of the Morrison. The beds deposited in a 

 great lake extending from southern Colorado to the Black Hills.] 



1887. 1. Lakes, Arthur: "Geology of Colorado ore deposits." Colo. Sch. 

 Mines, Rep. 1886, pp. v-xix, xxi-clix, 5 pis., 1887. [Describes strata, in- 

 cluding the Morrison, in the introduction.] 



1887. 2. Lakes, Arthur : "Geology of the Aspen mining region, Pitkin 

 County, Colorado." Colo. Sch. Mines, Rep. 1886, pp. 45-84, 1 pi., 1887. 

 [Jurassic beds, probably meaning Morrison, present.] 



1887. 3. White, C. A. : "On the Cretaceous formations of Texas and their 

 relation to those of other portions of North America." Phila. Acad. Sci., 

 Proc, vol. xxxix, pp. 39-47, 1887. [The Dakota in the Missouri Valley 

 rests on Jurassic beds, which are absent in the Texas region.] 



1888. 1. Cope, E. D. : "Mesozoic realm." Int. Cong. Geol. Amer. Comm. Rep., 

 1888, E, pp. 1-15, 1888. Amer. Geol., vol. ii, pp. 261-268, 1888. [Notes of 

 fauna and stratigraphy of Jurassic (Morrison).] 



