398 The Ainerican Geologist. December, 1896 
Araer. Nat., Oct. Fresh relics of glacial man at the Buffalo meeting 
of the A. A. A. S., G. F. Wright; Structure of Uintacrinue, C. R. 
Keyes. 
Jour, of Geol., Sept. Oct. Drainage modifications and their interpre- 
tation, pt. 2, Criteria for determining stream modification, M. R. Camp- 
bell; The inonchiquites or analcite group of igneous rocks, L. V. Pirs- 
son; The Queen's River moraine in Rhode Island, J.B. Wood worth and 
C. F. Marbut: The principles of rock weathering, G. P. Merrill. 
Nat. Geog. Mag., Oct. The economic aspects of soil erosion, N. S. 
Shaler; Ice-cliffs on the Kowak river, J. C. Cantwell. 
Canadian Rec. of Sci., vol. 9, nos. 1 and 2, 189G. Description of a 
supposed new genus of Polyzoa from the Trenton limestone at Ottawa, 
L. M. Lambe; Anhydrite in Ontario, W. Nieol; Review of the evidence 
for the animal nature of Eozoon canadense, J. W. Dawson; On a new 
alkali hornblende and a titaniferous anhydrite from the nepheline-sye- 
nite of Dungannon, Hastings Co., Ontario, F. D. Adams and B. J. Har- 
rington. 
Utah Univ. Quarterly, vol. 2. no. 2. June. 1896. The Great Salt lake, 
past and present, J. E. Talmage; Some of the crystalline rocks of Salt 
Lake and Davis counties, Utah, W. D. Neal. 
Amer. Jour. Sci., Nov. Missovn-ite, a new leucite rock from the 
Highwood mountains of Montana, W. H. Weed and L. V. Pirsson; The 
Silveria formaticm, O. H. Hershey; Local deformation of strata in 
Meade county, Kansas, and adjoining territory, Erasmus Haworth; 
Amphibian footprints from the Devonian, O. C. Marsh; Geology of 
Block island, O. C. Marsh. 
Amer. Nat., Nov. Fossils and fossilization, L. P. Gratacap. 
IV. Excerpts and Individual Piddications. 
Notes on Palfeozoic Crustacea, No. 5. — Carboniferous trilobites from 
Missouri, A. W. Vodges. Proc. Cal. Acad. Sci., 2d ser., vol. 6, pp. 197- 
198, June 24, 1896. 
On the existence of pre-Cambrian and post-Ordovician trap dikes in 
the Adirondacks, A. P. Cushing. Trans. N. Y. Acad. Sci., vol. 15, pp. 
248-252, Sept., 1896. 
On pearceite, a sulpharsenite of silver, and on the crystallization of 
polybasite, S. L. Penfield. Proc. Colo. Sci. Soc, 15 pp., read Apr. 6, 
1896. 
The San Miguel formation. Whitman Cross. Ibid., 7 pp.; read Sept. 
7, 1896. 
Igneous rocks of the Telluride district, Colorado, Whitman Cross. 
Ibid., 10 pp.; read Sept. 7, 1896. 
Catalogue of meteorites in the collection of the American Museum of 
Natual History, to July 1, 1896, E. O. Hovey. Bull. Amer. Mus. Nat. 
Hist., vol. 8, pp. 149-155; author's edition, July 3, 1896. 
The Sioux quartzite and certain associated rocks, S. W. Beyer. Iowa 
Geol. Survey, vol. 6, pp. 67-112, pi. 5, 2 maps, 1896. 
Lead and zinc deposits of Iowa, A. G. Leonard. Iowa Geol. Survey, 
vol. 6, pp. 9-66, pi. 1-2, 1896. 
