RECENT PUBLICATIONS 765 
—GrecoryY, H. E. Bibliography of the Geology of Connecticut. [Connecticut 
State Geological and Natural History Survey Bulletin No. 8. Hartford, 
1907.] 
—Grecory, H. E. AnD Rospinson, H. H. Preliminary Geological Map of Con- 
necticut. [Connecticut State Geological and Natural History Survey Bulle- 
tin No. 7. Hartford, 1907.] 
—Grecory, J. W. Geology of the Inner Earth Igneous Ores. [Smithsonian 
Report for 1907, pp. 311-30. Washington, 1908.] 
—Hate, G. E. On the Probable Existence of a Magnetic Field in Sun-Spots. 
[Carnegie Institution of Washington. Contributions from the Mount 
Wilson Solar Observatory, No. 30. Reprinted from the Astrophysical 
Journal, Vol. XXVIII, November, 1908.] 
The Pasadena Laboratory of the Mount- Wilson Solar Observatory. 
[Carnegie Institution of Washington. Contributions from the Mount Wilson 
Solar Observatory No. 27. Reprinted from the Astrophysical Journal, 
Vol. XXVIII, October, 1908.] 
—Harrison, J. B. The Geology of the Goldfields of British Guiana. [Bulan 
& Co., 37 Soho Square, N. W., Georgetown, 1908.] 
—Hatcu, F. H. Textbook of Petrology. [New York: Macmillan, 1909.] 
—Hay, O. P. On the Skull and the Brain of Triceratops, with Notes on the 
Brain Cases of Iguanodon and Megalosaurus. [Proceedings U.S. National 
Museum, Vol. XXXVI, pp. 95-108, with Plates 1-3. Washington, Febru- 
ary, 1909.] 
—Hircucock, C. H. Geology of the Hanover, N. H., Quadrangle. [From 
the Sixth Report upon the Geology of Vermont. Concord, N. H., 1908.] 
—Hocrom, A. G. Norrland Naturbeskrifning. [Uppsala: Almquist and 
Wiksell.] 
—Hovey, E. O. Proceedings of the Nineteenth Annual Meeting, held at New 
York, N. Y., December 27, 28, and 29, including Proceedings of the Eighth 
Annual Meeting of the Cordilleran Section, held at Stanford University, 
Cal., December 28 and 29, 1906. [Bulletin of the Geological Society of 
America, Vol. XIX, pp. 557-717, Plates 61-74. New York, March, 1908.] 
—HvBBARD, GEORGE D. College Geography. [Reprinted from the Educa- 
tional Review. New York, April, 1908.] 
Some High-Level Terraces in Southeastern Ohio. Ancient Finger 
Lakes in Ohio. [From the American Journal of Science, Vol. XXV, March, 
1908. | 
—Illinois Geological Survey. Bulletin No. 8, Yearbook for 1907. [Urbana, 
1907.] : 
—Jounson, D. W. A Recent Volcano in the San Francisco Mountain Region, 
Arizona. [Bulletin of the Geographical Society of Philadelphia, July, 1907.] 
Volcanic Necks of the Mount Taylor Region, New Mexico. [Bulletin 
Geological Society of America, Vol. XVIII, pp. 303-24, Plates 25-30. 
New York, July, 1907.] 
