21 



[t9 21 -] 



CLARK, K. A. Road-Materials and Soil Conditions in the Area between 

 Winnipeg and Brandon. Man. Summ. Rep. Jlines Branch, Canada, 1919, 

 pp. 135-139. fig. 1920. 



CLARK, T. H. The Origin of Graphite. Scon. Geol. xvi. pp. 167-183. 1921. 



2. Graphite of Sleaford Bay, Australia. Ibid. pp. 419-121. 1921. 



CLARK, W. 0., & C. W. Riddeix. Exploratory Drilling for "\Vater and Use of 

 Ground Water for Irrigation in Steptoe Valley, Nevada. [Introduction by 

 0. E. Mei>~zee.] Water-Supply Papers, U.S. Geol. Surv. no. 467, pp. 1-70, 

 figs. pis. i-vi. 1920. 



CLARKE, E. de C. Xote on Occurrences of Boulders, possibly Glaciated, near 



Leonora and Lavertou. about Lat. 23° 30' South. Journ. Roy. Soc. W. Austr. 



vi. pp. 27-32, pis. viii & ix. 1920. A.C. 

 2. Irwin River Coalfield, South- West Division : Boring Operations. Ann. 



Rep. Geol. Surv. W. Austr. 1920, pp. 11-12. 1921. 

 3. General Geoloev of the Monger-St. Ives District, Coolgardie and Xorth- 



East Coolgardie Goklfields. Ibid, pp. 12-15. 1921. 

 . Sec also Taebot, H. W. B., 2. 



CLARKE, J. M. Fifteenth Report of the Director of the State Museum and 

 Science Department. Bull. NT. State 2Ius. nos. 219-220, pp. 1-122, 21 pis. 

 1920. 



2. Post-bellum Reflections on the Place of Paleontologv among the Sciences. 



Ibid. pp. 123-123. 1920. 



3. Xew Paleozoic Crustaceans. Ibid. pp. 129-142, pis. i-iii. 1920. 



1. Armstrongia, a Xew Genus of Devonian Glass Sponges. Ibid. pp. 146- 



146, pi. i. 1920. 



5. The Microscopic Fauna of the Bouaventure Conglomerate. Ibid. pp. 147- 



148. 1920. 

 . Biogr. — See Axo^., 29. 



CLARKE, X. T, The Reconstruction of the Sterlingbush Calcite Cave. Bull. 



NT. State JIus. nos. 219-220, pp. 223-226. 1920. 

 CLAUSXITZER, — . [Leber die Aufnahme auf Blatt Ratzlingen.] Jahrb. k.- 



preuss. geol. Landesanst. xxiv. pt. 2, p. 625. 1915. 

 2. ("Leber die wissenschaftlichen Ersebnisse auf den Blattern Kottbus-West 



und Drebkau.] Ibid. pp. 633-634. 1915. 

 CLELAXD. H. F. The Teaching of Historical Geologv. Bull. Geol. Soc. Am. 



xxxi. pp. 375-382. 1920. 

 2. A Pleistocene Peneplain in the Coastal Plain. Journ. Geol. xxviii. 



pp. 702-706. 1920. 



CLERICT, E. Ialite nei Dintorni di Roma. Boll. Soc. geol. ital. xl. pp. xxvii- 

 xxviii. 1921. 



2. Divisione prismatica di Leucitite presso Roma. Ibid. pp. xxx-xxxii, fig. 



1921. 



CLOOS, H. Geologische Beobachtungen in Sudafrika : IV. — Granite des Tafel- 

 landes und ihre Raumbildung. belies Jahrb. f. Min. Beilage, xlii. pp. 420- 

 456, fig. pi. v. 1918. 



CLOUGH, C. T. See Howe, J. A. 



COATES, H. History of the Strathmore Meteoric Fall of 3rd December, 1917. 



Trans. Perth Soc. Nat. Sci. vii. pp. 80-89, pis. v-xv. 1920. 

 COB BOLD, E. S. The Cambrian Horizons of Coraley (Shropshire) and their 



Brachiopoda, Pteropoda, Gasteropoda, etc. Quart. Journ. Geol. Soc. lxxvi. 



pp. 325-386, figs. pis. xxi-xxiv. 1921. 

 COCKERELL, T. D. A. Fossil Arthropods in the British Museum. V.— Oligo- 



cene Hvnienoptera from the Isle of Wight. Ann. Hag. Nat. Hist. ser. 9, vii. 



pp. 1-25, figs. 1921. 



2. . VI. — Oligocene Insects from Gurnet Bay, Isle of Wight. Ibid. 



pp. 453-180. figs. 1921. 



3. . VII. — Ibid. viii. pp. 511-545, figs. 1921. 



1. Natural Historv of Porto Santo. Nature, cvii. pp. 10-11. 1921. 



COCKFIELD, W. E. Sixtymile and Ladue Rivers Area, Yukon. Hem. Geol. 



Surv. Canada, no. 123 (Geol. Ser. no. 105), pp. 1-60, pis. i-vi, geol. map. 



1921. 



2. Silver-Lead Deposits of the Keno Hill Area, Mayo District, Yukon. 



Summ. Rep. Geol. Surv. Canada, 1920. pp. 1 a-6 a, fig. geol. map. 1921. 

 CODD, J. A. Obit. — See Oldham, R. D. 



COLE, G. A. J. Common Stones : Unconventional Essays in Geology. Pp. 1-259, 

 figs. 8vo. London, 1921. 



