weeks.] PALEONTOLOGY, PETROLOGY, AND MINERALOGY, 1896. 35 
186 Earle (Charles). Tapirs, past and present. 
Science, new ser., vol. iv, pp. 934-93"). 1896. 
Discusses the relations of recent and fossil tapirs. 
187 Eastman (Charles R.). Eemarks on Petalodus alleghaniensis 
Leidy. 
Jour, of Geol., vol. iv. pp. 174-176, 1896. 
Reviews descriptions of P. securiger by O. P. Hay. with remarks on 
the retention of the mime Petalodus alleghaniensis for P. securiger. P. 
destructor, and P. alleghaniensis, all of which the author considers 
identical. 
188 Preliminary note on the relations of certain body-plates in the 
Dinichthyids. 
Am. Jour. Sci., 4th ser.. vol. ii. pp. 46-50, 1896. 
Describes the character and relationships of new material from the 
Cleveland shale of Ohio. 
189 Edwards (Arthur M.). On the occurrence of Neocene marine 
Diatomacea' near Xew York. 
Am. Nat., vol. xxx, pp. 212-216. 1896. 
Describes the occurrence of strata containing Diatomacea' on Long 
Island. X. Y. Gives a list of the forms. 
190 Eldridge (George H.). The uintaite (gilsonite) deposits of Utah. 
U. S. Geol. Surv., 17th Ann. Rept., Part I, pp. 909-949, pis. lix-lx. rigs. 
26-33, 1896. 
Describes the classification and chemical relations of hydrocarbons, 
the geology of the region, and the occurrence and character of the veins. 
Presents a geologic map of the country. 
191 Occurrence of uintaite in Utah. 
Science, new ser., vol. iii, pp. 830-832, 1896. 
Describes the veins of uintaite, cutting Tertiary strata in Utah, and 
gives its chemical analysis. 
192 Emmons (S. F.), Cross (W.), and. Geology of the Denver 
Basin in Colorado. 
See Emmons (S. P.), Cross (W.), and Eldridge (G. H. . No. 202. 
193 Ells (R. W.). Report on a portion of the Province of Quebec coin 
prised in the southwest sheet of the " Eastern Townships" 
map (Montreal sheet) [ Canada]. 
Canada Geol. Surv.. new ser.. vol. vii, Rept. ,J. 157 pp., 1896. 
Describes the character and distribution of tin- Devonian. Silurian. 
Cambro-Silurian, Cambrian, pre-Cambrian. and the volcanic and phi- 
tonic rocks of the region. Gives a brief account of the economic 
minerals. 
191 The apatite-bearing rocks of the Ottawa district [Canada]. 
Can. Rec. Sci., vol. vi, pp. 213-222, 1895. 
Describes the general features of Laurentian rocks, and the character. 
occurrence, and origin of the apatite deposit-. 
