BIBLIOGRAPHY OF NORTH AMERICAN GEOLOGY, 1906-1907. 45 
Chamberlin, Thomas C. — Continued. 
453. On a possible reversal of deep-sea circulation and its influence on 
geologic climates.— Am. Pliilos. Soc, Proc, vol. 45, no. 182, pp. 33^3, 1906; 
Jour. Geology, vol. 14, no. 5, pp. 363-373, 1906. Abstract: Science, new ser., 
vol. 23, pp. 930-931, June 22, 1906. 
Discusses variations of climate upon the earth in geologic time, some of the controlling 
factors and more particularly the agencies that affect oceanic circulation. 
454. Fundamental problems of geology.— Carnegie Inst, of Washington, 
Yearb. no. 4, 190."), pp. 171-185, 1906. 
Discusses the application of the planetesimal hypothesis in the explanation of de- 
formation of the earth and of climatic oscillations. 
455. "An ignored theory of the Ice age." — Science, new ser., vol. 24, pp. 531 
532, October 26, 1906. 
456. On the growth of the earth by accretion under the planetesimal hypoth- 
esis. — Abstract: Carnegie Inst, of Washington, Yearb. no. 5, p. 169, 1 ( .><)7. 
457. On certain problems of the lithosphere. — Abstract: Carnegie Inst, of 
Washington, Yearb. no. 5, p. 170, 1907. 
458. On the former rates of rotation of the earth.— Abstract : Carnegie Inst, 
of Washington, Yearb. no. 5, p. 170, 11)07. 
459. On certain problems of the hydrosphere and atmosphere. — Abstract : 
Carnegie Inst, of Washington, Yearb. no. 5. p. 171, 11)07. 
460. Review of "The viscous vs. the granular theory of glacial motion," by 
Oswin W. Willcox.— Jour. Geology, vol. 15, no. 2. pp. 188-190, 1907. 
461. [Geologic nomenclature.] — Jour. Geology, vol. 15, no. 8, pp. 817-819, 
1907. 
462. The fault problem. I.— Econ. Geology, vol. 2. no. 0, pp. 585-601. 5 tigs., 
no. 7, pp. 704-724, 1907. 
Chamberlin, Thomas C, and Salisbury, Rollin D. 
463. Geology. Vol. I, Geologic processes and their results. Vol. II, Earth 
history, Genesis, Paleozoic. Vol. Ill, Earth history. Mesozoic, Cenozoic. New 
York, Henry Holt and Company. Vol. I (second edition, revised), xix, 684 pp., 
24 pis., 471 figs., 1905. Vol. II, xxvi, 692 pp., 306 figs., 1906. Vol. Ill, xi, (524 
pp., 270 figs., 1906. 
Chapman, Robert H. 
464. The deserts of Nevada and the Death Valley. — Nat. Geog. Mag., vol. 17, 
no. 9, pp. 483-197, 7 pis., September, 1906; Sci. Am. Suppl., vol. 63, pp. 20126- 
26129, 6 figs., April 6, 1907. 
Includes notes upon the physical features and rocks of the region. 
Chrysler, M. A. 
The lignites of Brandon, Vt — See Jeffrey and Chrysler, no. L291. 
On Cretaceous Pityoxyla. — See Jeffrey and Chrysler, no. L292. 
Church, John A. 
465. The Pinguico mine, Guanajuato, Mexico. — Eng. and Min. Jour., vol. 
82, pp. 959-960, November 24, 1906. 
Descrihes the geology and the ore deposit^. 
466. Proario, a famous mine of Fresnillo, Mexico. — Bng. and Min. Jour., 
vol. 81, pp. 53-56, 1 tigs., July 13, 1907. 
Includes a short account of the local geoiogy and tin' vein system. 
467. The mines of La Luz, Guanajuato, Mexico. Eng. and Min. Jour., 
vol. si, pp. 105 no, 153-156, 6 figs., r.»<»7. 
Descrihes the geology, the vein system, and the occurrence of the ores 
