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HENRfCH, CARL. 
The Guanajuato mining- district. III. (Min. Mag., vol 10, pp. 101- 
108, Aug., 1904.) 
HERRICK, C. L. 
Lake Otero, an ancient salt lake basin in v.,uuiheastern New 
Mexico. (Am. Geol., vol. 34, pp. 174-1S9, Sept., 1904.) 
HIND, WHEELTON. 
The Type of Aviculipecten. (Am. Geol., vol. 34, p. 200, Sept., 
1904.) 
HOBBS, W. H. 
Tectonic Geography of eastern Asia, II. (Am. Geo!., vol. 34, pp. 
141-151, Sept., 1904.) 
HULST, N. P. 
Titaniferous iron ores. (Eng. Min. Jour., vol. 78, p. 350, Sept. 1, 
1904.) 
HUNDESHAGEN, L. 
An interesting occurrence of platinum. (Eng. Min. Jonr., vol. 78. 
p. 344, Sept. 1, 1904.) 
KEMP, J. F. 
The formation of veins, a brief statement of general principles. 
(Min. Mag., vol. 10, pp. 89-93, Aug., 1904.) 
KESSLER, H. H. (and W. R. HAMILTON) 
The orbicular gabbro of Dehesa, California. (Am. Geol., vol. 34, 
pp. 133-140, Sept., 1904.) 
KEYES, C. R. 
Bolson plains and the conditions of their existence. (Am. Geol., 
vol. 34, pp. 160-164, Sept., 1904.) 
PECK, F. B. 
The Atlantosaur and Titanotherium beds of "Wyoming. (Proc. 
& Coll. Wyo. Hist. & Geol. Soc, vol. 8, pp. 1-17, Jan. 16, 1903.) 
PECK, F. B. 
The cement belt in Lehigh and Northampton counties of Penn- 
sylvania — a description of the geological formations. (Mines and 
Minerals, vol. 25, pp. 53-57, Sept., 1904.) 
PETERSON, O. A. 
Recent observations on Daimonelix. (Science, vol. 22, p. 344, 
Sept. 9, 1904.) 
READ, T. T. 
The alkali deposits of Wyoming. (Am. Geol., vol. 34, pp. 164- 
169, Sept. 1904.) 
RICHARDS, JAMES H. 
The purposes of the American Mining Congress. (.Eng. Min. 
Jour., vol. 7S, p. 238, Sept., 1904.) 
ROGERS, A. F. (J. W. BEEDE and) 
Coal Measure Faunal Studies, III. Lower Coal Measures. (Kans" 
Univ. Sci. Bull., vol. 2, pp. 459-473, June, 1904.) 
