Author's Catalogue. 389 
IRVING, J. D. 
Ore deposits of the nnrlhcni T?l;i( k Hills. (P.iiil. I'l:,, r. S. (Jeol. 
Sur., pp. 223-241. 1904.) 
KEITH, ARTHUR. 
Roi'iMit zim- niinin,^^ in uast Tennessef. (Hull, lili.'i, I'. S. <;<-(>l. 
Sur., pp. 208-214. 1904.) 
KEMP, J. F. 
Graphite in the eastern Adirondacks. (Bull. 22.o, U. S. Geol. Sur., 
pp. 512-5iri, 1904.) 
KEMP, J. F. 
Ores from i.erneous magmas. (Eng. Min. Jour., vol. 77, Apr. 28, 
"904. p. 67.-).) 
KEMP, J. F. (GEO. I. FINLAY and) 
Nepheline-syenite area of San Jose, Tamaulipas, Mexico. (Bull. 
G. S. A., vol. 14, p. 534, abstract, 1903.) 
KRAUS. E. M. 
A new exposure of serpentine at Syracuse, N. Y. (Am. Geol., vol. 
33, p. 330. May. 1904.) 
KROPOTKIN, PRINCE P. 
The Geology and geobotany of Asia. (Pop. Sci. Month., vol. 65, 
p. 68, May, 1904.) 
LAKES, ARTHUR. 
Tonoiiali IMining c;imp: some notes on its location, the geological 
formations of the region and the mines in operation. (Mines and 
Minerals, vol. 24, p. 479, May, 1904.) 
LAMBE, L. M. 
The grasping power of the manus or Ornithomomus altus Lambe. 
(Ott. Nat., vol. IS, pp. 33736. May, 1904.) 
LAWSON, A. C. 
The orbicular gabbro of Dehesa, San Diego county. California. 
(Bull. Dept. Geol.. Univ. Cal., vol. 3. pp. 383-o96, Mar., 1904.) 
LEE. HARRY A. 
An account of the occurrence of free nitrogen gas in a vein in 
Colorado: its effects on those breathing it. (Mines and Minerals, vol, 
24, p. 478, May, 1904.) 
LEITH, C. K. 
The laice Superior iron region during 1903. (Bull. 225, U. S. 
Geol. Sur,, pp. 215-221, 1904.) 
LEITH C. K. 
Iron ores in .southern U<ah. (Hull. 225, U. S. Geol. Sur.. pp. 229- 
238. 1904.) 
LOOMIS, F. B. (B. K. EMERSON and) 
Stegomus longipes. a new reptile from the Triassic sandstones 
of the Connecticut valley. (Am. Jour. Sci.. vol. 17, May 1. 1904. pp. 
377-380.) 
