INDEX 



691 



Burger, W. H. fThe contribution of 

 the U. S. Coast and Geodetic Sur- 

 vey to geodesy. 264. 



Burgess, G. K. Further experiments 

 on the volatilization of platinum. 

 365. 



tSome examples of metal failures. 



304. 



Thermoelectric measurement of 



the critical ranges of pure iron. 

 650. 



Burns, Keivin. interference meas- 

 urements of wave lengths in the 

 iron spectrum (3233A-6750A). 399. 



Burrows, C. W. *Correlation of the 

 mechanical and magnetic proper- 

 ties of steel. 56S. 



Butts, Charles. fFaults of unusual 

 character in central Pennsylvania. 

 251. 



Byars, L. P. fNotes on plant-para- 

 sitic nematodes. 99. 



Cain, J. R. *Determination of car- 

 bon in steels and irons by direct 

 combustion in oxygen at high 

 temperatures. 225. 



■ *Preparation of pure iron and 



iron-carbon alloys. 147. 



Campbell, M. R. Contributions to 

 economic geology, 1913. Part II. 

 Mineral fuels. 20. 



Canada, W. J. investigation of car- 

 tridge enclosed fuses: Report of 

 the Bureau of Standards. 632. 



Capps, S. R. *Ancient volcanic erup- 

 tion in the upper Yukon basin, 

 Alaska. 72. 



*The Chisana-White River dis- 

 trict, Alaska. 505. 



*The Ellamar district, Alaska. 93. 



*The Willow Creek district, 



Alaska. 93. 



Clark, A. H. A new starfish {Lydi- 

 aster americanus) from the Gulf of 

 Mexico. 141. 



On the temperature of the water 



below the 1000-fathom line be- 

 tween California and the Hawaiian 

 Islands. 175. 



On the temperature of the water 



below the 500-fathom line on the 

 west coast of South and North 

 America. 413. 



Ophiomaria, a new genus of ophi- 



urans from southern South Amer- 

 ica and the adjacent portion of 

 the Antarctic continent. 3S4. 



Seven new genera of echinodcrms. 



115. 



Six new genera of unstalked cri- 



noids belonging to the families 

 Thalassometridae and Charitomet- 

 ridae. 605. 



Clark, W. M. Colorimetric deter- 

 mination of the hydrogen-ion con- 

 centration of bacteriological cul- 

 ture media. 483. 



Note on the sulphone-phthaleins 



as indicators for the colorimetric 

 determination of hydrogen-ion 

 concentration. 481. 



Clarke, F. W. Geochemical evidence 

 as to early forms of life. 603. 



tlnorganie constituents of ma- 

 rine invertebrates. 191. 



Cleaves, H. E. *Determination of 

 carbon in steels and irons by di- 

 rect combustion in oxygen at high 

 temperatures. 225. 



*Preparation of pure iron and iron- 

 carbon alloys. 147. 



Coblentz, W. W. Constants of spec- 

 tral radiation of a uniformly 

 heated inclosure or so-called black 

 body, 11. 418. 



*Distribution of energy in the vis- 

 ible spectrum of an acetylene 

 flame. 447. 



*Present status of the determina- 

 tion of the constant of total radia- 

 tion of a black body. 223. 



*Sensitivity and magnetic shield- 

 ing tests of a Thomson galvanom- 

 eter for use in radiometry. 499. 



Some new designs of radiometers. 



473. 



