544 



INDEX 



*Six new East Indian crinoids be- 

 longing to the family Charitome- 

 tridae. 168. 



*A study of biological paleogeog- 



raphy in its bearing on the origin 

 of man in America. 167. 



*A study of the salinity of the sur- 

 face water in the North Pacific 

 Ocean and in the adjacent enclosed 

 seas. 165. 



*Three interesting butterflies from 



eastern Massachusetts. 404. 



Cobb, N. A. Draconema: A remark- 

 able genus of marine free-living 

 nematodes. 145. 



New nematode genera found in- 

 habiting fresh water and non- 

 brackish soils. 432. 



Notes on Mononchus and Tylen- 



chulus. 287. 



CoBLENTz, Wm. W. The constants of 

 spectral radiation of a uniformly 

 heated enclosure. 177. 



The constants of spectral radiation 



of a uniformly heated enclosure or 

 so-called black body. 10. 



Summary of tests made on bis- 

 muth thermopiles. 357. 



Cook, F. C. *Comparison of plant, 

 meat, and yeast extracts. 131. 



Cook, O. F. *Heredity and cotton 

 breeding. 152. 



Ivory palms in Panama. 138. 



A new generic name for the sapote. 



158. 



Web-spinning fly larvae in Guate- 

 malan caves. 190. 



CoKBETT, L. C. *Lawn soils and 

 lawns. 254. 



CoviLLE, Fkedeeick V. The forma- 

 tion of leafmold. 77. 



Crenshaw, J. L. *The sulfides of 

 zinc, cadmium, and mercury, their 

 crystalline forms and genetic con- 

 ditions. 114. 



Crowe, J. J. Observations on ocean 

 temperatures in the vicinitj' of 

 icebergs and in other parts of the 

 ocean. 405. 



Preliminary note on the critical 



ranges, A3 and A2, of pure iron. 

 329. 



Curtis, H. L. *Some properties of 

 electric condensers. 296. 



CuSHMAN, A. S. *Electrolytic deter- 

 mination of tin in canned food 

 products. 131. 



Dale, T. N. *The commercial marbles 

 of western Vermont. 152. 



Darton, N. H. *Construction of a 

 structure map of the northern an- 

 thracite field. 199. 



Day, Arthur L. Water and the mag- 

 matic gases. 457. 



*Arc quantitative physico-chemi- 

 cal studies of rocks practicable? 

 502. 



*Densities at high temperatures. 



521. 



*La mesure des temperatures ele- 



v^es par le thermometre a gaz. 

 501. 



Dellinger, J. H. High-frequency 

 ammeters. 412. 



Dickinson, H. C. *Latent heat of 

 fusion of ice. 453. 



*New calorimetric resistance ther- 

 mometers. 296. 



Observations on ocean tempera- 

 tures in the vicinity of icebergs 

 and other parts of the ocean. 405. 



Dole, R. B. *Concentration of min- 

 eral waters in relation to their 

 therapeutic activity. 130. 



DoRSEY, N. E. *The earth inductor 

 as an inclinometer. 49. 



DuRAND, E. Dana. *Race statistics of 

 the last census. 91. 



Eakin, H. M. *Geologic reconnais- 

 sance of a part of, the Rampart 

 Quadrangle, Alaska. 467. 



* Abstracts. 



