BIBLIOGRAPHY OF NORTH AMERICAN GEOLOGJ, 1906-1907. 101 
Hovey, Edmund Otis — Continued. 
1233. The Isthmus of Tehuantepec and the Tehuantepec National Railway.— 
Am. Geog. Soc, Bull., vol. 39, no. 2, pp. 78-91, 6 figs.. February, 1007. 
Includes a brief account of the geology of the Isthmus of Tehuantepec, Mexico. 
1234. The Americau Association for the Advancement of Science. Meeting 
of Section E — Geology and Geography. — Science, new ser., vol. 25, pp. 293 - J'.)s. 
February 22, 1907. 
(Jives an account of the meeting and abstracts of the papers presented. 
1235. La Sierra Madre occidentale de l'£tat de Chihuahua.- Congr. geol. 
intern.. C. R. L0* sess., Mexico, 1906, pp. 1259-1268, 1907. 
1236. A geological reronnn issance in the western Sierra Madre of the State 
of Chihuahua, Mexico.— Am. Mns. Nat. Hist.. Bull., vol. 23, pp. 1<»1 442, is pis.. 
13 tigs., 1 map. 1907. 
1237. The Geological Society of America. Science, new ser., vol. 25, pp. 
761-775, May 17. 1907. 
(Jives an account of the meeting in New York. December 27-29, 1906, and abstracts of 
the papers presented. 
1238. Xotes on the geology of the Guaynopita, Chihuahua, Mexico, mining 
district.— Abstract : Am. Assoc. Adv. Sci.. Proc, vol. 56-57, p. 270. 1007. 
1239. Volcanoes of Colima, Toluca, and Popocatepetl. -Abstract: Science, 
new ser., vol. 25, pp. 7(»4 and 868, May 17 and 31, 1907. 
Remarks on and descriptions of [invertebrate] Jurassic fossils of the Black 
Hills. -See Whitfield and Hovey, no. 2563. 
The production in the United States in 1905 of fluorspar and cryolite, of 
suit, of asphaltum and bituminous rock, and of lithium minerals. See no. 
24 is. 
Howard, Kenneth S. 
1240. Preliminary notice of a new meteorite from Texas. -Am. .Pair. Sci., 
4th ser., vol. 21, p. 186, February, 1906. 
1241. The Kim Creek aerolite. — Am. Jour. Sci.. 4ih ser., vol. -j:;. pp. .".I'd 381, 
L> tigs.. May. .11)07. 
Describes the occurrence and characters of this meteorite from near Admire. Kansas. 
Howard, Kenneth S. and Davison, John M. 
1242. The Estacado aerolite.— Am. Jour. Sci.. 4th ser.. vol. 22, pp. 55 <'»<>. 
A figs.. July. 1 «><><;. 
Describes occurrence, characters, and chemical composition. 
Howe, Ernest. 
1243. Glacial phenomena in the San Juan Mountains. Abstract: Science, 
new ser., vol. 2:5. pi». ."><>< ; -.", 07, February 23, 1906. 
1244. Report on the geology of the [Panama] Canal Zone.— Isthmian ('anal 
(Commission, Ann. Kept., for 1007 [60th Congr.. 1st sess.. Senate Doc. no. 55], 
pp. 108-138, 1007. 
1245. Isthmian geology and the Panama ('anal. Econ. Geology, vol. 2, no. 7. 
pp. 639-658, 1 pi.. 1007. 
1246. Geology of the Canal Zone. Abstracl : Science, new ser., vol. 26, 
p. 148, August 2. 1007. 
Description of the Ouray quadrangle, Colorado.— See Cross. Howe, and 
Irving, no. 607. * 
Howe, Ernest, and Cross, Whitman. 
1247. Glacial phenomena of the San Juan Mountains. Colorado. Geol. Soc. 
Am.. Hull., vol. 17, pp. 251-274, 7 pis.. 2 tigs., 1906. 
Describes the character, extent, and evidences of recent and older glaclatlon. 
