Monthly Author's Catalogue, 253 
HARPER, JOS. H. 
United States Mining Laws. (Eng. Min. Jour., vol. 79, March 
9, 1905). 
HAY, O. P. 
The American Paleontological Society. Section A, Invertebrate 
(Science, vol. 21, p. 294, Feb. 24, 1905.) 
HAY, O. P. 
The progress of vertebrate paleontology at the American Mu- 
seum of Natural History. (Am. Geol., vol. 35, pp. 31-34, Jan., 1905.) 
HAY, O. P. 
Meeting of Section A of the American Paleontological Society. 
(Am. Geol., vol. 35, p. 124, Feb., 1905.) 
HILL, ROBT. T. 
El Oro District, Mexico. (Eng. and Mining Jour., vol. 79, March 
2, 1905.) 
HITCHCOCK, C. H. 
Glaciation of the Green mountains, pp. 21, Hanover, 1904. 
HIXON, HIRAM W. 
Geology of the Sudbury District. (Eng. and Mining Jour., vol. 
79, p. 383, Feb., 1905.) 
HOLMES, JOS. A. (See PARKER, E. W.) 
HOWARTH, O. H. 
Some Observations in Regard to the Manner of Vein Formations 
and the Forces causing them. (Mines and Minerals, vol. 25, p. 369, 
March, 1905.) 
HOWE, ERNEST, (See CROSS, WHITMAN). 
KEIGHLEY, THOS. W. 
The Connellsville Coke Region. (Mining Mag. vol. 11. No. 3, 
March. 1905.) 
KINDLE, EDWARD M.. (See WILLIAMS, H. S.) 
KING, CHAS. R. 
The Completion of the Simplon Tunnel. (Scientific American, 
vol. 92, No. 11, March 18.) 
LAKES, PROF. ARTHUR. 
Rock Springs Coal Mines in Wyoming. (Mines and Minerals, 
vol. 25, March, 1905.) 
LAKES, ARTHUR, 
Oil impregnated volcanic Dikes in Colorado. (Mines and Min- 
erals, vol. 25, p. 394, March. 1905.) 
LANE, A. C. 
The Coarseness of igneous rocks and its meaning. (Am. Geol.. 
vol. 35. pp. 6.5-72. plate 4. Feb.. 1905.) 
LINDGREN, WALDEMAR. 
Characteristics of Gold-Quartz "Veins in Victoria. (Eng. Mining 
.Tour., vol. 79, No. 10, March 9. 1905.) 
MABERY, CHAS. F. 
On the Composition of Petroleum. (.\m. Chem. Jour. vol. 33, 
No. 3, March, 1905.) 
