List of Recent Publications. 265 
2. Proceedings of Scientific Societies. 
Proceed. Phil. Acad. Nat. Sci. Part III. Oct. -Dec, 1890. contains : 
The Perisomic Plates of the Crinoids, Wachsmuth and Springer (Re- 
viewed in the Geologist Vol. VII p. 255) ; The Eocene mollusca of the 
state of Texas, Angelo Heilprin ; The geology and paleontology of the 
Cretaceous deposits of Mexico, Angelo Heilprin ; Geology of the South 
(Chester) Valley Hill, Theo. D. Rand; Geology' of Artesian Wells, 
Atlantic City, N. J., Lewis Woolman. 
Proceed. Rochester Acad. Sci., Vol. I. pp. 1 to 100, Description of 
new Meteorites, E. D. Howell. 
Transactions Meriden Sci. Ass., Vol. IV, 1889-1890 contains ; Some 
geological features of Meriden, J. H. Chapin ; Cycadinocarpus Chapinii, 
J. H. Chapin. 
Journal Cin. Soc. Nat. Hist., Jan. 1891 contains: New and little 
known American Ostracoda, E. O. Ulrich; The Genus Sphenophyllum, 
J. S. Newberry. 
3. Papers in Scientific Journals. 
Am. Jour. Sci. Jan. No. Deformation of the Algonquin beach and 
birth of lake Huron, J. W. Spencer; Clinton oolitic iron ores, Aug. F. 
Foerste; Review of the Quaternary era, with special reference to the 
deposits of flooded rivers, Warren Upham ; Some remarkably developed 
calcite crystals, L. V. Pirsson ; Horned artiodactyle from the Miocene, 
O. C. Marsh. Feb. No. Columbite and tantalite from the Black hills of 
S. Dakota, W. P. Headden ; Notes on the geology of the Florida phos- 
phate deposits, N. H. Darton ; Record of a deep well at lake Worth, 
southern Florida, N. H. Darton ; Chemical composition of auricalcite, 
S. L. Penfield ; Attempt to harmonize some apparently conflicting views 
of lake Superior stratigraphy, C. R. Van Hise ; Powellite — calcium 
molybdate, a new mineral species, W. H. Melville ; Gigantic Cerat- 
opsidae or horned dinosaurs of North America, O. C. Marsh, March 
No. Gold colored allotrophic silver, M. Carey Lea : The flora of the 
Great Falls coal field, Montana, J. S. Newberry ; High-level shores in 
the region of the Great Lakes, and their deformation, J. W. Spencer; 
Notes on ferro-goslarite, a new variety of zinc-sulphate, H. A. Wheeler ; 
Composition of pollucite and its occurence at Hebron, Maine, H. L. 
Wells ; The fire-bale in Raphael's Madonna di Foligno, H. A. Newton. 
School of Mines Quarterly, Jan, 1891, contains: The Treatment of 
copper slates at Mansfeldt, T. Egleston; Examination of Mines, EL S. 
Munroe; Notes on the Coal-Fields of Montana, W. EL Weed; Methods 
or Modern Petrography, H. Hensoldt ; The Operations of the U. S. 
Geological Survey. II. .M. Wilson. 
4. Excerpts and Individual Publications. 
The lake Michigan glacier ami glacial channels across the Chicago di- 
vide, by Ossian Guthrie. Geol. Society of Chicago. Oct. 30, 1890. 
On certain magnetic rocks of Arizona and California, Henry <;. 
Banks. San Francisco Microscopical Society. Nov. 19, 1890. 
