INDEX 



625 



The chemistry of the nucleic acids. 



Du. P. A. Levene. 13. 

 Determination of carbon in steels and 



irons. J. R. Cain and H. E. 



Cleaves. 393. 

 The estimation of antipyrin. W. O. 



Emery and S. Palkin. 264. 

 Expansion of liquid metals. R. B. 



SOSMAN. 88. 



Goettingen. G. B. Spencer. 36. 



Guillaume apparatus. R. E. Lee. 

 264. 



The iodine number of linseed and 

 petroleum oils. W. H. Smith and 

 J. B. Tuttle. 316. 



The iodometric determination of iron. 

 J. G. Fairchild. 36. 



Mineral analyses. C. E. Van Or- 

 STRAND and F. E. Wright. 514. 



New extraction apparatus. P. H. 

 Walker. 168. 



Potash from kelp. F. K. Cameron. 

 168. 



The preparation of aminonitriles. 

 G. A. Menge. 36. 



The pyrometer in the assay muffle. 

 F. P. Dewey. 263. 



Reactions of nickel arsenides with sil- 

 ver salts. C. Palmer. 295. 



Recent advances in sewage chemis- 

 try. E. B Phelps. 85. 



References: 376, 460, 488. 

 — See also: Agricultural chemistry; 

 Chemical technology; Electro- 

 chemistry; Geochemistry; Physi- 

 cal chemistry. 

 Crystallography. Properties of Pyro- 

 phosphates. Olaf Andersen. 318. 

 Economics. Objective standard of val- 

 ue. A. J. LoTKA. 409,447,499. 

 Electrical Engineering. *Electrolysis 

 from electric railway currents and 

 its prevention. E. B. Rosa, B. 

 McCoLLUM and K. H. Logan. 

 202. 

 Electrochemistry. Electrochemical 

 problems, etc. G. W. Vinal. 204. 



Extreme forms of thermopiles. W. 



W. Coblentz. 126. 

 Silver and iodine voltameters. G. 



W. Vinal and S. J. Bates. 69. 

 The silver voltameter. E. B. Rosa, 

 G. W. Vinal and A. S. McDan- 

 iel. 52. 

 Entomology. *The Argentine ant. W. 

 Newell and T. C. Barber. 201. 

 *The cotton boll weevil in Arizona. 

 W. Pierce. 145. 



*Descriptions of new genera and Ich- 

 neumon flies. H. L. ViERECK. 

 145. 



*The dispersion of the gypsy moth. 

 A. F. Burgess. 200. 



*Life-history of a new family (Micro- 

 maltidae) of beetles. H. S. Bar- 

 ber. 231. 



*The mosquitoes of North and Cen- 

 tral America and the West Indies. 

 L. O. Howard, H. G. Dyar and 

 F. Knab. 232. 



*New potato weevils from Andean 

 South America. W. D. Pierce. 

 146. 



*Observations on the Micromalthus 

 debilis Lee. H. S. Barber. 200. 



*0n interspecific mating in Phengodes 

 and inbreeding in Eros. H. S. 

 Barber. 257. 



*The parasite of the codling moth. 

 R. A. Cushman. 144. 



*Type species of Ichneumon flies. 

 H. L. Viereck. 375. 



*The weevils of the families Attelabi- 

 dae and Brachyrhinidae. W. D. 

 Pierce. 146. 

 References: 150, 175, 210, 242, 265, 

 380. 

 Ethnology. An American Swastika. H. 

 Talbott. 203. 



Bismya, the lost city of Adab. E. J. 

 Banks. 343. 



Contrasts in the development of na- 

 tionality in Latin- and Anglo-Amer- 

 ica. F. A. Pezet. 340. 



■ Abstracts. 



