392 The Amerira/i Geologist. December, i89s 
Girty, Geo. H. 
Description of a fauna found in the Devonian Black shale of east- 
ern Kentucky. (Am. Jour. Sci., Nov. 1898, pp. 384-.394, i pi.) 
Herrick, C. L. 
The occurrence of copper and lead in the San Andreas and Ca- 
ballo Mountains. (Am. Geo!., vol. 22, pp. 285-291, Nov. i8g8.) 
Hidden, W. E. 
Occurrence of sperrylite in North Carolina. (Am. Jour. Sci., Nov. 
1898, pp. 381-383.) 
Hill, R. T. (and T. Wayland Vaughan). 
The Lower Creteceous Gryph^as of the Texas region. (Bull. No. 
151, U. S. Geol. Sur., pp. 66, 35 pis., 1898.) 
Hopkins, Thos. C. 
Concentric Weathering in sedimentary rocks. (Bull. Geol. Soc. 
Am., vol. 9, 1897, pp. 427-428, 3 pis.) 
Ingall, E. D. 
Section of Mineral Statistics and mines; annual report for 1896. 
(Geol. Sur. Can. Ann. Report, New Series, vol. g, i8g8, pp. 172.) 
Keyes, C. R. 
Some geological formations of the cap-au-gres uplift. (Proc. 
Iowa Acad. Sciences, vol. 5, pp. 58-63, 3 pis., 1898.) 
Keyes, C. R. 
Carboniferous formations of the Ozark region. (Iowa Acad. 
Sciences, vol. 5, pp. 55-58, 1898.) 
Keyes, C. R. 
Geographic development of the Crimea. (Iowa Acad. Sciences, 
vol. 5, pp. 52-54, 1898.) 
King, Francis P. (W. S. Yates, S. W. McCallie and). 
A preliminary report on a part of the gold deposits of Georgia. 
(Bull. 4-A, Geol. Sur. Georgia, pp. 542, maps, 21 pis., 1896.) 
Ladd, Geo. E. 
Geological Phenomena resulting from the surface tension of 
water. (Am. Geol., vol. 22, pp. 267-285, ])1., Nov. 1898.) 
Lucas, F. A. 
Contributions to paleontology. (Am. Jour. Sci , Nov. 1898, pp. 
399-4CO.) 
Manson, Marsden. 
The laws of climatic evolution. (Brit. Assc. Adv. Sci., Bristol 
meeting, 1898.) 
Marsh, O. C. 
The value of type specimens and importance of their preservation. 
(Am. Jour. Sci., Nov. 1898, pp. 401-405.) 
Marsh, O. C. 
The origin of Mammals. (Am. Jour. Sci., Nov. 1898. pp. 406-409.) 
