weeks.] PALEONTOLOGY, PETROLOGY, AND MINERALOGY, 1896. 29 
137 Cope (E. D.). Permian land Vertebrata with carapaces. 
Am. Nat., vol. xxx, pp. 936-937, pis. xxi-xxii, 1896. 
Includes brief remarks on the characters of the fossils and illustrations 
of two of the species. 
138 Cox (E. T.). Geological sketch of Florida. 
Am. Inst. Mg. Engrs., Trans., vol. xxv, pp. 28-36, 1896. 
Reviews the literature on the geology of Florida and describes the 
character and distribution of the Eocene and overlying deposits. 
139 The Albion phosphate district [Florida]. 
Am. Inst. Mg. Engrs., Trans., vol. xxv, pp. 36-40, 1896. 
Gives a brief description of the phosphate deposits and the methods of 
mining. 
140 Cragin (F. W.). The Plains Permian. 
Am. Geol., vol. xviii, pp. 131-132 (-£ p.) (correspondence), 1896. 
Note on the use of the term Marion in the classification of the Per- 
mian. 
141 The Choctaw and Grayson terranes of the Arietna. 
Colo. College Studies, 5th Ann. Pub., pp. 40-48, 1894. 
Reviews the nomenclature of the formations, describes the lithologic 
characters and fauna of the Choctaw limestone and Grayson marl in 
Texas, and discusses the relations of the fauna. 
142 Descriptions of the invertebrate fossils from the Comanche 
series in Texas, Kansas, and Indian Territory. 
Colo. College Studies, 5th Ann. Pub., pp. 49-68, 1894. 
Describes a number of new species from the Cretaceous of northern 
Texas. 
143 Vertebrate fossils from the Neocomian of Kansas. 
Colo. College Studies, 5th Ann. Pub., pp 69-73, pis. 1-2, 1894. 
Describes five new species from the Cretaceous beds of Kansas. 
143a The Permian system in Kansas. 
Colo. College Studies, vol. vi, pp. 1-48, 1896. 
Gives the author's classification of the Permian rocks of Kansas. 
Describes the character and distribution of the several subdivisions and 
gives lists of fossils from different horizons. 
1436 On the stratigraphy of the Platte series, or Upper Creta- 
ceous of the Plains. 
Colo. College Studies, vol. vi, pp. 49-52, 1896. 
Gives brief notes on the subdivisions of the Platte series. 
143c Preliminary notice of three late Neocene terranes of Kansas. 
Colo. College Studies, vol. vi, pp. 53-54, 1896. 
Describes briefly the characters of the three terranes in southwestern 
Kansas. 
144 Crane (W. R.). " Horsebacks" in the Kansas Coal Measures. 
Kans. Univ. Quart., vol. iv, pp. 145-151, 5 figs., 1896. 
Describes the occurrences, character, and extent of the " horsebacks" 
and discusses their origin. 
