256 The American Geologist. October, 1894 
origin of the oldesl fossils and the discovery of the bottom of the ocean, 
W. K. Brooks; The Amazonian Upper Carboniferous fauna O. A. Derby; 
Geological surveys of Ohio, Edward Orton; Proposed genetic classifica- 
tion of Pleistocene glacial formations, T. C. Chamberliu. 
The American Journal of Science, III, sol. 18, No. I. .Inly, 1894, con- 
tains: Occurrence of a large area of nepheline syenite in the township 
of Dungannon, Ontario. F. I). Adams: Nepheline, sodalite and ortho- 
(dase from the nepheline syenite of Dungannon, Ontario. I!. .1. Harring- 
ton; Tertian changes in the drainage of southwestern Virginia, M. R. 
Campbell; Upper VMcksburg Eocene and the Chattahoochee Miocene of 
southwesl Georgia and adjacent Florida. A. F. Foerste; Gabbros in the 
southwest Adirondack region, ('. II. Smyth. Jr.; Footprints of verte- 
brates in the Coal Measures of Kansas, O. 0. Marsh: Typical Ornitho- 
poda of the American Jurassic, O. C. Marsh; Eastern division of the 
Miohippus beds, with notes on some of the characteristeric fossils, 
O. C. .Marsh. 
Tin' American Journal of Science, III. vol. 48, No. 2, Aug., 1894, con- 
tains: Certain astronomical conditions favorable to glaciation, G. F. 
Becker; Mineralogical notes. S. L. Penfield; Alunite from Red Moun- 
tain, Ouray county. Colorado. E. B. Hurlburt: Mineralogical notes, S. 
L. Penfield and 1). A. Kreider; Carboniferous fossils in the Norfolk 
countj basin, .1. B. Woodworth; The stratigraphic position of the 
Thomson slates. . I. E. Spurr: Miocene Artiodactyles from the eastern 
Miohippus beds. (). C. Marsh. 
The School of Mines Quarterly, July. 1894, contains: The optical rec- 
ognition and economic importance of the common minerals found in 
building stones, L. Mel. Lin pier: On the occurrence of Cretaceous class 
at Northport, L. I.. Heinrich Ries. 
TV. Excerpts and Individual Publications. 
On some new forms of wollastonite from New York state. Heinrich 
Ries. Trans. N. Y. Acad. Sci., vol. 13, pp. 140-147. 1894. 
Note on the petrography of certain basaltic boulders from Thetford, 
Vt., E. o. Hovey. Trans. X. Y. Acad. Sci., vol. 13, pp. 161-164, 1894. 
A comparative study of the chemical behavior of pyrite and marca- 
site. A. P. Brown. Proc. Amer. Philos. Soc, vol. :;:'.. 1894; pp. 10. 
Some New Red horizons, B. S. Lyman. Proc. Amer. Philos. Soc. vol. 
:;:;. pp. 192-215, 1894. 
The mineral industry, its statistics, technology and trade in the Uni- 
ted States and other countries. By Richard P. Rothwell. Pp. i-xl, 1- 
894; New York, The Scientific Publishing Co., 1894. 
Further notes on Cripple creek ores. Richard Pearce. Proc. Colo- 
rado Sci. Soc.. Apr. .">. 1H<>4: 7 pp. 
The sanitary chemical character of some of the artesian waters of 
Denver, W. C. Strong. Prof. Colorado Sci. Soc.. May 7, 1894: !t pp. 
An analysis of jadeite from Mogoung, Burma, O. C. Farrington. Proc. 
U. S. Nat. Museum, vol. 17, pp. 29-31. L894. 
On the formation of stalactites and gypsum incrustations in caves, G. 
P. Merrill. Proc. U. 8. Nat. Museum, vol. 17, pp. 77-81, pis. 2-5, 1894. 
