Recent Publications. 
403 
II. Proceedings of Scientific Societies. 
Bull. Minnesota Acad. Nat. Sci., vol. 4, no. 1, pt. 1, 1896. The Saint 
Peter sandstone, F. W. Sardeson; The fauna of the Magnesian series, 
F. W. Sardeson. 
III. Papers in Scientific Journals. 
Science, Apr. 17. Museum methods, — The exhibition of fossil verte¬ 
brates, F. A. Lucas; Museum methods,—On the arrangement of great 
paleontological collections, Charles Schuchert; The flow of the Con¬ 
necticut river, Dwight Porter; American amber-producing tree, F. H. 
.Knowlton; Current notes on physiography, W. M. Davis. 
Science, Apr. 24. Relation of geologic science to education, N. S. 
Shaler: Ozarkian epoch—a suggestion, O. H. Hershey; Organic mark¬ 
ings in Lake Superior iron ores, W. S. Gresley: The perogatives of a 
state geologist, C. R. Keyes. 
Science, May 1. Notes on native sulphur in Texas, E. A. Smith; 
Current notes on physiography, W. M. Davis. 
Science, May 8. Notes on certain undescribed clay occurrences in 
Missouri, G. E. Ladd; Note on a breathing gas well, H. W. Fairbanks; 
Current studies in experimental geology, T. A. Jaggar, Jr. 
Am. Jour. Sci., May. Bearpaw mountains of Montana, W. H. Weed 
and L. V. Pirsson: Potomac River section of the Middle Atlantic Coast 
Eocene, W. B. Clark; Ischian trachytes, H. S. Washington; Crocoite 
from Tasmania, Chas. Palache. 
Kansas Univ. Quarterly, vol. 4, no. 4, Apr. On the skull of Ornith- 
ostoma, S. W. Williston; A new species of Dinictis from the White 
River Miocene of Wyoming, E. S. Riggs. 
IV. Excerpts and Individual Publications. 
The origin and relations of central Maryland granites, C. R. Keyes. 
With an introduction on the general relations of the granitic rocks in 
the middle Atlantic Piedmont plateau, G. H. Williams. 15th Ann. 
Rept. U. S. Geol. Survey, pp. 651-740, pis. 27-48, 1895. 
Some dykes cutting the Laurentian series in the counties of Fronte- 
nac, Leeds and Lanark, Ont., W. G. Miller andR. W. Brock. Canadian 
Rec. of Sci., 8 pp., pi. 3, Oct., 1895. 
A variable sun the principal cause of the great Glacial period, Wm. 
Nims. 10 pp.: Advertiser print, Fort Edwards, N. Y., 1896. 
Preliminary lists of the organic remains occurring in the various geo¬ 
logical formations comprised in the S. W. quarter-sheet map of the 
eastern townships of the province of Quebec, H. M. Ami. Ann. Rept. 
Geol. Sur. Canada, new ser., vol. 7, pp. 113J-157J, 1896. 
Some notes on the occurrence of uranite in Colorado, Richard Pearce. 
Read before the Colo. Sci. Soc., Sept. 9, 1895; 3 pp. 
Geology of Woodbury county, Iowa, H. F. Bain. Iowa Geol. Sur., 
vol. 5, pp. 241-300, pi. 5, map, 1896. 
