320 American Geologist. ^^^y- ^^^s 
GREGORY, H. E. 
Connecticut Geology and Water Supply. (U. S. G. S., Wat, Sup. 
Ir. Pap., 114, pp. 76-81, 1905.) 
HALL, C. W. 
Topography and Water Resources of Minnesota. (U. S. G. S., 
Wat. Sup. Ir. Pap., pp. 226-232, 1905.) 
HEADDEN, W. P. 
Doughty Springs, a Group of Radium-bearing Springs in Delta 
County, Colorado. (Am. Jour. Sci., April, 1905, p. 297.) 
HITCHCOCK, C." H. 
Kilauea Again Active. (Science, vol. 21, p. 551, April 7, 1905.) 
HILGARD, E. W. 
The Prairie Mounds of Louisiana. (Science, vol. 21, p. 551, Apr. 
7, 190"5.) 
HOFFMAN, G. C. 
Sonesite, a Native Iron-nlckle Alloy, Occurring in the Auriferous 
Gravels of the Ftaser, Province of British Columbia. (Am. Jour. Sci., 
April, 1905, p. 319.) 
HOYT, J. C. (and ROBERT H. ANDERSON) 
Hydrography of the Susquehanna River Drainage Basin. (U. S. 
G. S., Water Supply and Irrigation Paper, No. 109, p. 215, PI. 29.) 
JAQUET, J. B. 
Explosive Rock. (Eng. Min. Jour., Vol. 79, p. 605, Mar. 30, 1905.) 
JOHNSON, L. C. 
Geology and Mineral Waters of Mississippi. (U. S- G. S., Wat. 
Sup. Ir. Pap., No. 114, pp. 171-179, 1905.) 
KNAPP, G. N. 
New Jersey, Geology and Water Supply. (U. S. G. S., Wat. Sup. 
Ir. Pap., 114, pp. 93-103, 1905.) 
KRAUS, E, A. 
Occurrence and Distribution of Celestite -bearing Rocks. (Am. 
Jour. Sci., p. 286, April, 1905.) 
KEITH, ARTHUR 
Description of the Greeneville Quadrangle. (U. S. Geol. Sur., 
Folio No. 118, 1905.) 
LANDES, HENRY 
Preliminary Report on the Underground Waters of Washington. 
(U. S. G. S., W^ater Supply and Irrigation Papers, No. Ill, pp. 85.) 
LAMBE, LAWRENCE M. 
On the Tooth Structure of Mesohippus Westoni (Cope). (Am. 
Geol., Vol. 35, pp. 243-245, April, 1905.) 
LAMBE, LAWRENCE M. 
• A New Recent-Marine Sponge. (Ottawa Naturalist, p. 14, April, 
1905.) 
