RECENT PUBLICATIONS ity) 
Geological Map of Connecticut. [State of Connecticut State Geological 
and Natural History Survey, Bulletin No. 7. Hartford, 1907.] 
—Hate, G. E., and Apams, WALTER S. Sun-Spot Lines in the Spectra of 
Red Stars. Contributions from the Solar Observatory, Mt. Wilson, Cali- 
fornia. No. 8. [Reprinted from the Astrophysical Journal, Vol. XXIII, 
pp. 400-5, June, 1906.] 
—Hatt, A. Biographical Memoir of John Rodgers, 1812-82. [Read before 
the National Academy of Sciences, April 18, 1906. Washington, 1907.] 
—Hatr, M. R., Hanna, F. W., and Hoyt, J. C. Report of Progress 
of Stream Measurements for the Calendar Year 1905. Part V.—Ohio 
and Lower Eastern Mississippi River Drainages. [U. S. Geological Survey, 
Water-Supply and Irrigation, Paper No. 169; Series P, Hydrographic 
Progress Reports, 45. Washington, 1906.] 
—Hat, M. R., and Hoyt, J. C. Report of Progress of Stream Measure! 
ments for ie Calendar Year 1905. Part I1V.—Santee, Savannah, Ogeechee, 
and Altamaha Rivers and Eastern Gulf of Mexico Drainages. [U. S. 
Geological Survey, Water-Supply and Irrigation, Paper No. 168; Series P, 
Hydrographic Progress Reports, 44. Washington, 1906.] 
—Hanna, F. W., and Hoyt, J. C. Report of Progress of Stream Measure- 
ments for the Calendar Year 1905. Part VIJ.—Hudson Bay and Upper 
Eastern and Western Mississippi River Drainages. [U.S. Geological Survey, 
Water-Supply and Irrigation Paper, No. 171; Series P, Hydrographic Progress 
Reports, 47. Washington, 1906.] 
—Harrison, C.M.G., M.A.F.I.C., F.G.S., J. B. Explanation of the Geologi- 
cal Map of Parts of the Essequibo and Cuyuni Rivers. [Georgetown Deme- 
rera, British Guiana. 1906.] 
—Hart, C. A., and GiEason, Pu.D., H. A. On the Biology of the Sand 
Areas of Illinois. [Bulletin of the Illinois State Laboratory of Natural 
History, Urbana; Vol. VII, Article VII. January, 1907.] 
—HAartnNacEL, C. A. Stratigraphic Relations of the Oneida Conglomerate. 
Also Upper Siluric and Lower Devonic Formations of the Skunnemunk 
Mountain Region. [From N. Y. State Museum Bulletin 107, Miscellaneous 
Papers. Albany, December 17, 1906.] 
—Hastincs, J. B., and Berkey, C. P. The Geology and Petrography of 
the Goldfield Mining District, Nevada. [Transactions of the American 
Institute of Mining Engineers. Bethlehem Meeting, February, 1906.] 
—Hatcu, F. H. Presidential Address, Delivered to the Geological Society of 
South Africa, at the Annual Meeting, on the 29th of January, 1906. [From 
The Proceedings of the Geological Society of S. Africa, 1906, pp. xxi-xxxiv.] 
—HayrorpD, C.E., J. F. The Geodetic Evidence of Isostasy, with a Considera- 
tion of the Depth and Completeness of the Isostatic Compensation and of 
the Bearing of the Evidence upon Some of the Greater Problems of Geology. 
[Proceedings of the Washington Academy of Sciences, Vol. VIII, pp. 25-40. 
Washington, May 18, 1906.] 
