120 The American Geologist. February, 1S96 
An analysis of jadeite from Mogoung, Burma, O. C. Farrington: On the 
formation of stalactites and gypsum incrustations in caves, G. P. Mer- 
rill; The formation of sandstone concretions, G. P. Merrill: Notes on 
the invertebrate fauna of the Dakota formation, with descriptions of 
new molluscan forms, C. A. White; A review of the fossil flora of 
Alaska, with descriptions of new species, F. H. Knowlton; Discovery of 
the genus Oldhamia in America, C. D. Walcott; Distribution of the 
land and fresh water mollusks of the West Indian region, and their evi- 
dence with regard to past changes of land and sea, C. T. Simpson; 
Notes on some eruptive rocks from Gallatin, Jefferson and Madison 
counties, Montana, G. P. Merrill. 
U. S. Nat. Museum, Rept. for 1893. The onyx marbles: Their origin, 
composition and uses, both ancient and modern, G. P. Merrill. 
II. Proceedings of Scientific Societies. 
Proc. Cal. Acad. Sci., sec. ser., vol. 5, pt. 1, 1895. A supplement to 
the bibliography of the Palaeozoic Crustacea, A. W. Vogdes: The 
Neocene stratigraphy of the Santa Cruz mountains of California, G. H. 
Ashley ; Geological map of the cape region of Baja California, G. Eisen 
and F. H. Vaslit. 
Bull. Geol. Soc. Amer., vol. 7, pp. 67-94, Dec. 12, 1895. Geographical 
evolution of Cuba, J. W. Spencer. 
Same, pp. 95-134, Dec. 20, 1895. Syenite-gneiss (Leopard rock) from 
the Apatite region of Ottawa county, Canada, C. H. Gordon. 
III. Papers in Scientific Journals. 
School of Mines Quarterly, Nov. The Missouri river, G. R. Morrison; 
Lecture notes on rocks, J. F. Kemp. 
Journ. of Geology, Nov. -Dec. The Greenland expedition of 1895, R. 
D. Salisbury ; A circum-insular Palaeozoic fauna, Stuart Weller : Ex- 
periments in ice motion, E. C. Case ; Absarokite-shoshonite-banakite 
series, J. P. Iddings ; Distribution of gold deposits in Alaska, G. F. 
Becker. 
Am. Chemical Journ., Dec. On the Composition of the Ohio and 
Canadian sulphur petroleums, C. F. Mabery. 
Science, Dec. 27. Current notes on physiography (XXI), W. M. Davis. 
Science, Jan. 3. The origin of hypotheses, illustrated by the discus- 
sion of a topographic problem, G. K. Gilbert. 
Am. Jour. Sci., Jan. The quarries in the lava beds at Meriden, Conn., 
W. M. Davis : The form of isolated submarine peaks, G. W. Littlehales: 
Section of the Cretaceous at El Paso. Texas, T. W. Stanton and T. W. 
Vaughan : On the epidote from Huntington, Mass., and the optical 
properties of epidote, E. H. Forbes. 
Am. Naturalist, Jan. Lost characteristics, Alpheus Hyatt : On the 
species of Hoplophoneus, G. I. Adams. 
IV. Excerpts and Individual Publications. 
The Yardley fault, B. S. Lyman. Proc. Am. Philos. Soc, vol.34, 
pp. 381-384, pi. 10, Dec. 13, 1895. 
The Chalfont fault rock, so called, B. S. Lyman. Ibid., pp. 384-388, 
pis. 11-12, Dec. 13, 1895. 
The relative effects of frost and the sulphate of soda efflorescence tests, 
