330 (Revieiv of 'decent Geological Literahire. 
Atlantic slope. W. y. McGcc. Diorite dike at Forest of Dean, Orange 
county, N. Y. J- F. Kemp. 
In the Alarch number of ihc Amcriam Nutundist. Synopsis of Rosen- 
busch's new scheme for the classification of massive rocks. W. S. Bayley. 
Glacial erosion in Norway and in high latitudes. J. W. Spencer. 
The Canadian /Record q/' Science ior April contains: Preliminary note 
on new species of sponges from the Quebec group at Little Metis. Sir y. 
William Dawson. Notes on sponges from the Quebec group at Mdtis, 
and from the Utica shale. Geo. Jennings Hinde. On the classification 
of the Cambrian rocks in Acadia. G. F. Matthews. Notes on fossils 
from the Utica formation at Point-k-Pic, Murray river. Henry M. Amt. 
4. Excerpts and individual publications. 
Notes and observations on the Kivakiool people of Vancouver island. 
George M. Dawson. Trans. Roy. Soc. Can., vol. v, 188"/. Ottawa. 
Studies on the stratification of the anthracite measures of Pennsylvania. 
Henry A. Wasmuth, 4 plates of sections. 18 pp; 50 cents. J. B. Lippincott 
Co. Philadelphia. 
The southern anthracite coal field of Pennsylvania — its enormous dis- 
turbances and consequent premature exhaustion. Henry A. Wasmuth. 
Jour. Frank. Inst., Feb., 1888. 
A brief narrative of the Journeys of David Thompson, in Northwestern 
America. J. B. Tyrrell. Proc. Can. Inst., Toronto, March, iSSS. 
Peridotites of the "Cortlandt series" on the Hudson river near Peeks- 
kill, N. Y. George H. Williams. Amer. your, of Science, Jan., 1886. 
On a new petrographical microscope of American manufacture. Geo. 
H. Williams. Amer. your, of Science. Feb., 1888. 
Note on some remarkable crystals of pyroxene from Orange county, 
N. Y. George H. Williams. Amer. your, of Science, Oct., 1S87. 
The Norites of the Cortlandt series on the Hudson river near Peekskill, 
N. Y. George H. Williams. Amer. your, of Science, Feb., i8Sj. 
On the Serpentine (peridotite) occurring in the Onondaga salt-group 
at Syracuse, N. Y. George H. Williams. Amer. your, of Science., Aug., 
1887. 
The chemical structure of the natural silicates. F. W. Clarke, ylmcr. 
Chem. your., vol. x, JVo. 2. 
The genera and species of North American Carboniferous trilobites. 
Anthony W. Vogdes. Author's edition. Ann. N. T. Acad., vol. 4, i88y. 
The geological formation of Long Island, New York; with a descrip- 
tion of its old water courses, yokn Brysoii. 
Precious stones. Extracts from the annual reports of the U, S. Geol. 
Sur. on Mineral Resources of the United States ior 1886 and 1887. Also 
from Appleton'' s Physical Geography. By George F. Kunz. 
On gold and silver ornaments from mounds of P'lorida. Bv George F. 
Kunz. From the American Antiquarian. July, 1S87. 
Gold ornaments from the United States of Columbia. George F. Kunz. 
American Antiquarian, Sept., 1887. 
