A CKNO WLEDGMENTS. 869 



Stevenson, John J. 



—John Strong Newberry. 15 pp. — Am. Geol., Vol. VII, July, 1893. 

 — Transactions of the Royal Society of South Australia. Vol. XIII, Part I, 

 June, 1890. Tenth Annual Report of the Trade and Commerce of Minneapolis for 

 the year ending December 31, 1892. 



— The American Geologist. Vol. XII, No. 4, Oct. 1893. 

 Tyrrell, Joseph B. 



— Foraminifera and Radiolaria from the Cretaceous of Manitoba. 111-115 pp. 

 — Trans. Roy. Soc. Can., 1890. 

 U. S. Department of Agriculture. 



— Report on the Forecasting of Thunder Storms during the Summer of 1892 

 (by N. B. Conger). 54 pp., 5 maps.— Bull. No. 9, Weather Bureau. 



— Report of the First Annual Meeting of the American Association of State 

 Weather Services. 49 pp. — Bull. No. 7, Weather Bureau. 

 Vodges, A. W. 



—On the North American Species of the Genus Agnostus. 377-396 pp., 2 pi. — 

 Am. Geol., Vol. IX, June, 1892. 



— A Monograph on the Genera Zethus, Cybele, Encrinurus and Cryptonymus. 

 35 PP-, 4 pl- 

 Ward, Lester F. 



—The Palseontologic History of the Genus Platanus. 39-42 pp., 6 pl. — Proc. 

 U. S. Nat. Mus. 

 Whittle, Charles Livy. 



— An Ottrelite-bearing Phase of a Metamorphic Conglomerate in the Green 

 Mountains. 270-277 pp.— Am. Jour. Sci., Vol. XLIV, Oct. 1892. 

 White, C. A., M.D. 



— Remarks upon certain Carboniferous Fossils from Colorado, Arizona, Idaho, 

 Utah and Wyoming, and certain Cretaceous Corals from Colorado. 209-221 pp. — 

 Bull, of Suv., Vol. V, No. 2. 



—Memoir of Amos Henry Worthen (1813-1888). 341-362 pp.— Read before 

 the Nat. Acad., 1893. 

 Whiteaves, J. F., F.G.S. 



—Illustrations of the Fossil Fishes of the Devonian Rocks of Canada. Part I, 

 101-110 pp., 4 pl.; Part II, 77-96 pp. 5 pl.— Trans. Roy. Soc. of Can., Vol. VI., 

 Sec. 4, 1888. 

 Williams, George H. 



—The Non-feldspathic Intrusive Rocks of Maryland and the Course of their 

 Alteration. 35-49 pp., 111.— Am. Geol., July, 1890. 



—On the Serpentine (Peridotite) occurring in the Onondaga Salt-group at 

 Syracuse, N. Y. 137-145 pp.— Am. Jour. Sci., Vol. XXXIV, Aug. 1887." 



—The Geology of Fernando de Noronha. Part I (by John C. Branner). 145- 

 161 pp., 111.— Am. Jour. Sci., Vol. XXXVII, Feb. 1889. Part II, Petrography. 

 178-189 pp.— Am. Jour. Sci., Vol. XXXVII, Feb. 1889. 



— Notes on some Eruptive Rocks from Alaska. 63-73 pp. — Nat. Geog. Mag., 

 Vol. IV. 



— Piedmontite and Scheelite from the ancient Rhyolite of South Mountain, 

 Pennsylvania. 50-57 pp.— Am. Jour. Sci., Vol. XLVI, July, 1893. 



