338 
Recent Publications . 
kansas-Texas division of the southwestern region of the United 
States. Robt. T. Hill. Am. Jour. Sci., April 1889. 
A summary of progress in mineralogy and petrography in 1888. W. 
S. Bayley; from monthly notes in the American Naturalist. 
Notes of Microscopical examinations of rocks from the Thunder Bay 
silver district, By Dr. W. S. Bayley. From Rep. Geol. Sur. Canada, 
1887. 
The Denver Tertiary formation. Whitman Cross. Am. Jour. Sci.; 
April 1889. 
Shall we teach Geology? Alexander Winchell, 12mo. 218 pp. S. C. 
Griggs & Co., Chicago. 
Glaciation of Eastern Canada. Robert Chalmers. Canadian Rec¬ 
ord of Science. April 1889. 
On nephrite and jadeite. F. W. Clarke, and G. P. Merrill. Proc. TJ . 
S. Nat. Mus. vol. xi. 1888. 
Some definitions in dynamical geology. W. J. McGee. Geol. Mag . 
Nov. 1888. 
Paleolithic man in America; his antiquity and environment. W. J. 
McGee, Popular Science Monthly. Nov. 1888. 
Notes on the geology of Macon county, Missouri. W. J. McGee. 
Trans. St. Louis Acad. Sci. Aug. 24, 1888. 
The classification of geographic forms by genesis. W. J. McGee. 
Nat. Geog. Mag. vol. i. 
Some thoughts on eruptive rocks, with special reference to those of 
Minnesota. N. H. Winchell. Proc. A. A. A. S. 1888. 
Geology of Baja California, Mexico. By W. Lingren. Map., geolo¬ 
gical map and plate of sections. Proc. Cal. Acad. Sci., vol. i. part 2, 
Sept. 1888. 
5. Foreign Publications. 
Mount Morgan gold deposits ; second report of Robert L. Jack, Gov¬ 
ernment geologist for Queensland. Folio, 6 pp. with map. Towns¬ 
ville. 
Coal Discoveries on the Flinders; report of R. L. Jack, Government 
geologist. 2pp. folio. Townsville. 
The annual report of the department of the interior for the year 1888, 
Ottawa, contains the Summary report of the Canadian geological survey 
for the year, by director Alfred R. C. Selwyn, 
On fulgurites from Monte Yiso. By Frank Rutley, F.G.S. From 
the Quar. Jour, of the Geol. Soc. February, 1889. 
Etudes sur les schistes crystallins ; (presents par leurs auteurs sur 
l’invitation du Comite d’organization). Congres g6ologique internation¬ 
al, 4me session, London, 1888. Contains the following papers: Les 
schistes crystallins, T. Sterry Hunt ; Zur classification der krystal- 
linischen schiefer, Albert Heim; Sur la constitution et la structure des 
massifs de schistes crystallins des Alpes occidentales, Ch. Lory; Be- 
merkungen zu einigen neueren Arbeiten fiber kristallinisch-schriefrige 
Gesteine, J. Lehmann ; Sur Porigine des terrains crystallins primitifs, 
