34 BIBLIOGRAPHY AND INDEX OF N. A. GEOLOGY, [bull. H6. 
114 Dawson (George M.) Note on the glacial deposits of southwest- 
ern Alberta. 
Jour, of Geol., vol. iii, pp. 507-511. 
Discusses the relations of the drift from the Laureutian area with 
drift along the eastern slopes of the Rocky Mountains. 
115 Note on the amount of elevation which has taken place along 
the Rocky Mountain range in British America since the close 
of the Cretaceous period. [Reply to a letter from J. D. Dana.] 
Am. Jour. Sci., 3d ser., vol. xlix, pp. 463-465. 
Describes hrioily the infolding of the Cretaceous rocks with the Paleo- 
zoic in the Rocky Mountains. Considers that the amount of elevation 
varied in different localities, and that 32,000 to 35,000 feet is a minimum 
estimate of the greatest elevation for the region. Discusses the evi- 
dences of movement in Eocene and Miocene times. 
110 Dawson (J. William). Synopsis of the air-breathing animals of 
the Paleozoic in Canada, up to 1894. 
Roy. Soc. of Canada, Proc. and Trans., vol. xii, sect, iv, pp. 71-88. 
Reviews the literature on the subject and gives a hrief description of 
the genera of the vertebrata, and a list of the genera and species of 
Arthropoda. Describes erect trees recently found in the Joggins coal 
mine, Nova Scotia, and the character of the flora of the Devonian plant- 
hearing heds at St. John, New Brunswick. Includes suggestions to col- 
lectors. 
117 Review of the evidence for the animal nature of Eozoon 
canadense. 
Geol. Mag. dec. iv, vol. ii, pp. 443-449, 502-506, and 545-550. 
Describes the character of the strata in which Eozoon canadense 
occurs and discusses the petrographic, chemical, structural, and biologic 
evidences of its animal nature. 
118 Day (William C). Stone. 
U. S. Geol. Surv., 16th Ann. Kept., part iv, pp. 436-510. 
Gives a list of mineral constituents of granite, and a table showing 
the distribution in the United States of the various classes of granite. 
Describes the nature and varieties of sandstone and limestone. 
119 Derby (Orville A.). Constituents of the Canon Diablo meteorite. 
Am. Jonr. Sci., 3d ser., vol. xlix, pp. 101-110. 
Describes the results of the several chemical analyses made of the 
material and concludes that the mass treated did not contain diamonds 
or anything remotely suggestive of them. 

120 D'Invilliers (E. V.). [Carbonifeious system, Pennsylvania.] 
Pa. Geol. Surv., Final Kept., vol. iii, part 2, pp. 2153-2588, pis. 396-595. 
Describes the character and distribution of the Lower Productive 
measures of Alleghany River coal series in Pennsylvania and the occur- 
rence of coal in these beds. Includes vertical sections of many mines 
and names and figures of fossils from this formation. 
121 Smith (A. D. W.), Lesley (J. P.), and. [Carboniferous for- 
mation , Pennsylvania.] 
Pa. Geol. Surv., Final Kept., vol. iii, part i, pp. 1629-2152, pis. 205-395. 
See Lesley (J. P.), D'Invilliers (E. V.), and Smith (A. D. W.), No. 292, 
122 Douglas (Walter). Lake of the Woods, Ontario, gold district, 
Eng. and Mg. Jour., vol. lix, p. 152. 
Describes the occurrence of gold quark veins in this district, 
