63 



[1915-19*] 



CLARK, C. W. The Geoiogy and Ore Deposits of the Leona Rhyolite. Bull. 



Geol. Univ. Calif, x. pp. 361—382, figs, [sketch-map & geol. section] & 



pis. xxv— xxvii [geol. map & sections]. 1917. 

 CLARK, F. R. Coal near Thompson, Grand County, Utah. Bull. U.S. 



Geol. Surv. no. 541, pp. 453-477, fig. [index-map] & pi. xxviii [geol. map 



& sections]. 1914. 



2. Coal near Wales, Sanpete County, Utah. Ibid. pp. 478-489, pi. xxix 



[geol. map & sections]. 1914. 

 . See also Campbell, M. R., 5. 



CLARK, J. D. A Chemical Study of the Enrichment of Copper Sulfide 



Ores. Bull. Univ. New Mex., Chem. ser. i. pp. 79-150, 1 pi. 1914. 

 — 2, & P. L. Menaul. The Role of Colloidal Migration in Ore Deposits. 



Econ. Geol. xi. pp. 37-41. 1916. 

 CLARK, K. A. Road Materials available for the Toronto-Montreal Road 



between Trenton and Napanee, Ontario. Summ. Rep. Geol. Surv. Canada, 



1916, pp. 195-198. 1917. 

 CLARK, T. H. New Blastoids and Brachiopods from the Rocky Mountains. 



Bull. Mus. Comp. Zool. lxi. pp. 359-380, figs. & pis. i-ii. 1917. 

 CLARK, W. B. The Brandywine Formation of the Middle Atlantic Coastal 



Plain. Am. Journ. Sci. ser. 4, xl. pp. 499-506. 1915. 

 2, E. W. Berry, & J. A. Gardner. The Age of the Middle Atlantic 



Coast Upper Cretaceous Deposits. Proc. Nat. Acad. Sci., Washington, 



ii. pp. 181-186. 1916. 

 3, & M. W. Twitchell. The Mesozoic and Cenozoic Echinodermata of 



the United States. Monogr. U.S. Geol. Surv. liv. pp. 1-341, pis. i-cviii. 1915. 

 • . Obit.— See Anon., 15; Berry, E. W., 12; Clarke, J. M., 9; 



Harker, A., 6. 



CLARK, W. O. Ground Water Resources of the Niles Cone and Adjacent 



Areas, California. Water-Supply Papers, U.S. Geol. Surv. no. 345, 



pp. 127-168, figs, [diagrams] & pis. ix-xvii [maps & well-sections]. 1915. 

 CLARKE, E. de C. Geological Report on Mikhaburra (Holden's Find), 



Peak Hill Goldfield. Bull. Geol. Surv. W. Austr. no. 59, pp. 65-81, 



figs. & pis. v-vii [topogr. & geol. maps]. 1914. 

 2. Notes on the Geology and Mining at Sandstone and Hancock's, 



East Murchison Goldfield : Petrology by R. A. Farquharson. Ibid. 



no. 62, pp. 1-66, figs. & pis. i-v [geol. maps, mine-plans & sections]. 



1914. 



3. The Geology and Ore Deposits of Meekatharra, Murchison Gold- 

 field : Petrology by R. A. Farquharson, Mineralogy and Undergroimd 

 Waters by E. S. Simpson. Ibid. no. 68, pp. 1-342, figs. & pis. i-xxv 

 [geol. maps, mine-plans & sections]. 1916. 



CLARKE, F. W. The Constitution of the Natural Silicates. Bull. U.S. 

 Geol. Surv. no. 588, pp. 1-128. 1914. 



2. Water Analyses from the Laboratory of the United States Geological 



Survey. Water-Supply Papers, U.S. Geol. Surv. no. 364, pp. 1-40. 1914. 



3. Analyses of Rocks and Minerals from the Laboratory of the United 



States Geological Survey 1880 to 1914. Bull. U.S. Geol. Surv. no. 591, 

 pp. 1-376. 1915. 



4. The Constitution of Melilite and Gehlenite. Am. Journ. Sci. ser. 4, 



xliii. pp. 476-484. 1917. 

 5, & R. M. Kamm. New Analyses of Echinoderms. Proc. Nat. Acad. 



Sci., Washington, iii. pp. 401-404. 1917. 

 6, & G. Steiger. The Inorganic Constituents of Lobster Shells. Proc. 



Nat. Acad. Sci., Washington, v. pp. 6-8, 1919. And A.C. 

 7, & W. C. Wheeler. The Composition of Brachiopod Shells. Proc. 



Nat. Acad. Sci., Washington, i. pp. 262-266. 1915. 

 8, & . The Inorganic Constituents of Alcyonaria. Ibid. pp. 552- 



556. 1915. 



9, & . The Inorganic Constituents of Echinoderms. Prof. Papers', 



U.S. Geol. Surv. no. 90, pp. 191-196, 1915. 



CLARKE, J. M. Horace Carter Hovey. [Obit,] Bull. Geol. Soc. Am. 

 xxvi. pp. 21-27, pi. iii [portrait]. 1915. 



-2. Eleventh Report of the Director of the State Museum and Science 



Department, including the 68th Report of the State Museum, the 34th 

 Report of the State Geologist, and the Report of the State Paleontologist 

 for 1914. Bull. N.Y. State Mus. no. 177, pp. 1-114, 25 pis. 1915. 



3. Conceptions regarding the American Devonie. Ibid. no. 177, pp. 



115-133. 1916. 



