13] 



VOLUMES XXXI-XL. 



689 



Cirkel. F., Chrysotile-Asbestos, ' 



3»i 575. 



Clark, A. H., recent cnnoid 

 faunas 3a, 27; study of recent 

 crinoids, 40, 60; bathymetric 

 range oi crinoids, 40, 67. 



Clark, H. T.. Chemistry. 38, 560. 



Clark, R. W., Petrographic meth- 

 ods. 33, 511. 



Clark, W. B., Brandywine forma- 

 tion of Atlantic coastal plain. 

 40. 



Clarke, F. W.. Data of Geochem- 

 istry, 33. 04. 



Clarke. J. M„ geol Law- 



rence. 3-\ ialen Is- 



land Eurvpterida of 



York, 35,45^: The heart of 

 36, 054; Fosseis Devo- 

 nia; rana, 36, 650. 



Cleland. H. F., Wisconsin Devo- 

 nian. 32. 



Climate, changes in. Huntington. 

 38. 5 

 — and Evolution, Matthew, 40, 



Climatical variations. Arctowski, 



Cline, J. H., extrusive basalt of 



brian of Virginia, 39, 665. 



Coal Mine Explosions, 1 larger. 



36. 

 See GEOLOGY. 

 Coast Survey, United States. An- 

 nual report, 1910, 32, 80; 191 1. 



33, 5M: 1012. 36, 87; 1913- 37. 



363. 

 publications. 38, in; Work 



an 39. 225. 486. 



Coblentz. tidies, 34, 92. 



Cockerell, T. D. A., fauna of the 



Florissant shales, 36. 

 Coconut palm in America. Cook, 



31, 221. 



Cohen, J. B., Chemistry, 37, 194. 

 Cole, G. A. J.. Rocks and their 



Cole, H. I., determination of bro- 

 mine. 37, 257: of iodine and 

 bromine. 38, 26$. 



Cole. M. J.. Mi ■-. 33, 379. 



Collins. A. F., Book of Wir 

 40. 



Colloids in Industrial Art-. Arndt 

 and Katz, 38. 



Colorado. Wick- 



bam, 36, 



— Little. Valley. 38, 



Color markings of Carboniferous 

 Gastropods, Roundy, 38, 446. 



Colors of birds and insects, Mich- 

 elson, 31, 568. 



Colour Vision, Abney, 35, 456. 



Comets and Electrons, Righi, 

 33, 02. 



Commerce, Secretary oi. annual 

 report. 39, 22^. 



Compensators, use o\, Barns, 40, 

 200. 



Condit, D. D., deep wells at Find- 

 lay, Ohio. 36, 123. 



Congo, Belgian, minerals. Butt- 

 genbach. 32, [68. 



Congress, Library, see Library. 



Connecticut Birds. 37, 484. 



— "Dam" at Cheshire. Ward, 37, 



— Farmington Mastodon, Schu- 

 chert and Lull, 37, 321. 



— in geologic past, Barrell, 34, 

 4S7. 



— geol. survey, sec Geological 

 Reports. 



— Granites of, Dale and Greg- 

 ory, 33, 160. 



— rock shelter, passing of a, 

 MacCurdy, 38, 511. 



— Valley Trias, Life of. Lull. 33, 

 307; new dinosaur, Talbot, 31, 

 469. 



Conover, C. B., decomposition of 

 mineral sulphides, etc., 40, 640. 



Constants, Annual Tables, 33, 60; 

 37, 205. 



— chemical and physical. Tables, 

 Kaye and Laby, 33, 158. 



— crystallographic, Spencer, 40, 

 or. 



Cook, C. W., new occurrence of 

 pearceite, 31, 518; crystal form 

 of alkali halides. 38, 142; dato- 

 lite. Great Notch. New Jersey, 



39. ^42. 



Cook, E. P., Organic Chemistry, 



40, 51S. 



Cook, M. T., Diseases of Tropical 

 Plant-. 37, 285. 



Cook, O. F., coconut palm in 

 America. 31, 221. 



Cooke, M. L., Academic and In- 

 dustrial Efficiency. 31. [56. 



Cooksey, C. D., secondary cathode 

 rays, 34, 4 s - 



Coral reefs, Darwin's theory of, 

 W. M. 35. '73- 334; 



Shaler Memorial study, Davis, 



