34 BIBLIOGRAPHY AND INDEX OF N. A. GEOLOGY. : bull. 149. 
177 Dawson (J. William . Notes on the bivalve shells of the Coal 
formation of Nova Scotia. 
Can. Rec. Sci., vol. vi. pp. 117-134 and 167. figs. 1-13. 1894. 
Discusses the characters of the genus Naiadites and describes fossil 
shells fn>in the Carboniferous strata of Nova Scotia, including new 
species. 
178 Notes on a specimen of Belnga catodon from the Leda clay, 
Montreal. 
ran. Rec. Sci., vol. vi. pp. 351-354, 1895. 
J ►escribes the occurrence in Pleistocene rocks. 
179 Review of the evidence for the animal nature of Eozoon can- 
adense. 
Can. Rec. Sci., vol. vi, pp. 470-179. vol. vii. pp. 62-77. figs. 6-8, 1896. 
Reviews the literature and discusses the petrologic, chemical, and 
biologic evidences of the animal nature of Eozoon canadense. 
ISO Pre-Cambrian fossils. 
Can. Rec. Sci.. vol. vii. pp.157-162; Brit. Assoc. Adv. Sci., Kept. 1896, 
pp. 784-785 : Abstract : Geol. Mag.. dec. 4. vol. iii. pp. 513-514, 1896. 
Remarks on occurrence ot fossils in pro-Cambrian rocks of North 
America. 
1ST Dean [Bashford). On the vertebral column, tins, and ventral 
armor of Dinichthys. 
N. Y. Acad. Sci., Trans., vol. xv, pp. 157-163. pis. vii-viii. 1896. 
182 De Kalb Courtenay. Onyx marbles. 
Am. Inst. Mg. Engrs. Trans., vol. xxv. pp. 557-569, 1896. 
Describes the commercial varieties of onyx marbles and their occur- 
rence in different parts of the United States. Mexico, and other countries. 
183 Diller (Joseph Silas 1 '. A geological reconnoissance in northwest- 
ern Oregon. 
C. S. Geol. Surv., 17th Ann. Rept.. Pt. I. pp. 447-520. pis. iv-xvi. figs. 
4-17. 1896. 
Describes the physiographic features and the character and distribu- 
tion of the Cretaceous. Tertiary, and Pleistocene deposits of the region 
and the occurrence and character of the coal veins, iron ores, building 
stones, and gold. 
184 Dowling D. B. . Report on the country in the vicinity of Red 
Lake, and part of the basin of Berens River. Keewatin. 
Canada Geol. Surv., new ser.. vol. vii. Rept. E. 54 pp.. 1896. 
Describes the physiography of the region, the character and distribu- 
tion of ihe Archean rocks and of the glacial phenomena. 
185 Dresser John A/. Petrographies! notes on some Archean rocks 
from Chelsea. Quebec. 
Ottawa Nat. vol. x. pp. 129-133. 1896. 
Describes serpentine limestone, gneiss, and olivine diabase. 
