23 



[1922.] 



CHLEBNIKOW, K. C. Die Manganerzlagerstatten der Ukraine. Zeitschr.f. 



prakt. Geol. xxvi. pp. 89-92, 100-107, figs. [geol. sketch-maps j . 1918. 

 CHOFFAT, P. Obit.— See Fleuet, E. 



CHUDEAU, R. Ammonites Turonien nes du Soudan. Bull. Mus. Hist. nat. Paris, 



1921, pp. 463-470, figs. 1921. 

 2, & P. H. Fritel. Quelques Bois Silicities du Sahara. Bull. Soc. geol. 



France, ser. 4, xx. pp. 202-207, figs. 1921. 

 . Obit. — See Anon., 3. 



CHURCHILL, F. C. An Abandoned Marine Sand-Bar in the Cornvvallis Valley, 



Nova Scotia. Proc. 2f Trans. N.S. Inst. Sci. xv. pp. 65-69, fig. 1922. 

 CLAPP, F. G. Geology of Cement Oil-Field. Trans. Am. Inst. M. F. lxv. 



pp.ilo6-164, fig. 1921. 

 CLAliK, B. L. Correlation of Tertiary Marine Formations of the West Coast of 



North America. Special Publ. Bernice P. Bishop Mus. no. 7, pp. 801-818. 



1921. 



2. A New Family and New Genus from the Tertiary of the Pacific Coast. 



[Myadesraidae : Myadssma?\ Bull. Geol. Univ. California, xiv. pp. 115-118, 



pis. xiii & xiv. 1922. 

 . See also Dtckerson, R. E., 2. 



CLARK, C. W. Lower and Middle Cambrian Formations of the Mohave Desert. 

 Bull. Geol. Univ. California, xiii. pp. 1-7. 1921. 



2. Geology and Ore- Deposits of the Santa Fe District, Mineral County, Ne- 

 vada. Ibid. xiv. pp. 1-74, figs. pis. i-vi [geol. sketch-map]. 1922. 



CLARK, R. W., & W. F. Hunt. Ungewohnliche Optische Eigenschaften des 

 Muscovits in dem Mar Villa-Marmor von Cockeysville, Maryland. Centralbl. 

 f. Min. 1915, pp. 666-668. 1915. 



CLAR.K, T. H. A New Trilobite Appendage. Am. Journ. Sci. ser. 5, iv. pp. 245- 

 248, fig. 1922. 



CLARKE, F. W., & H. S. Washington. The Average Chemical Composition of 

 Igneous Rocks. Proc. Nat. Acad. Sci. U.S.A. viii. pp. 108-115. 192ii. And 

 A.C. 



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

 Science Department. Bull. NT. State litis, nos. 227 & 228, pp. 1-146, figs, 

 pis. i-xx. 1921. 



2. Seventeenth Report of the Director of the State Museum and Science 



Department, including the Seventy-fourth Report of the State Museum, the 

 Fortieth Report of the State Geologist, and the Report of the State Paleonto- 

 logist for 1920-21. Ibid. nos. 239-240, pp. 1-208, figs. pis. 1922. 



CLAUS, H. Ueber Pti/chites und Arniotites aus dem Schaumkalke der Umgegend 

 von Jena. Centralbl. f. Min. 1921, pp. 120-126, figs. 1921. 



CLELAND, H. F. Demonstration Material in Geology. Bull. Geol. Soc. Am. 

 xxxiii. pp. 56-85, fij^s. 1922. 



CLEMENT, A. A. G. Nathorst. Mindeord den 31. Januar 1921. Meddel. 

 Dansk geol. Foren. vi. no. 1, pp. 1-8, portrait. 1921. 



CLERICI, E. Ulteriori Ricerche sui Liquidi Pesanti per la Separazione dei 

 Minerali. Atti R. Accad. Lincei, Pendic. xxxi. pt. 1, pp. 116-118. 1922. 



CLEVE-EULER, A. Om Diatomacevegetationen och dess Forandringar i Saby- 

 sjon, Uppland saant nagra Damda Sjoar i Salatrakten. Sver. geol. Undersog. 



Arsb. 1921, no. 4, pp. 49-76, figs. 1922. 

 CLINCH, G. Obit— See Oldham, R. D. 



CLOOS, H. Kreuzschichtung als Leitmittel in Ueberfalteten Gebirgen. Zeitschr. 



f. prakt. Geol, xxii. pp. 340-343. 1914. 

 2. Zur Wiinschelrutenfrage. — Beobachtungen und Versuche. Centralbl. f. 



Min. 1918, pp. 29-40. 1918. 

 CLUZET, J., & A. Chevallier. Sur la Radioactivite de la Station de l'Echaillon 



en Maurienne. C. B. Acad. Sci. Paris, clxxv. pp. 1163-1165. 1922. 

 COCKERELL, T. D. A. Eocene Insects from the Rocky Mountains. Proc. U.S. 



Nat. Mus. lvii. pp. 233-260, figs. pis. xxxii-xxxvi. 1921. 



2. Some Fossil Fish-Scales from Peru. Ibid. lix. pp. 19-20, figs., 1922. 



■ 3. Some Eocene Insects from Colorado and Wyoming. Ibid. pp. 29-39, figs. 



pi. viii. 1922. 



4. A Fossil Buttercup. Nature, cix. pp. 42-43, fig. 1922. 



5. Fossils in Burmese Amber. Ibid. pp. 713-714. 1922. 



6. An Ancient Wasp. Ibid. ex. p. 313. 1922. 



7. Fossil Arthropods in the British Museum. — VIII. Homoptera from 



Gurnet Bay, Isle of Wight. Ann. Mag. Nat. Hist. ser. 9, ix. pp. 157-161, figs. 

 1922. 



