698 



INDEX 



—Proposed classification of the 



genus Rollinia, with descriptions 



of several new species. 370. 

 A remarkable new Eysenhardtia 



from the west coast of Mexico. 



133. 

 — Rolliniopsis, a new genus of An- 



nonaceae from Brazil. 197. 

 Sanford, R. L. "("Uniformity of mag- 

 netic test bars. 76. 

 Schaller, W. T. Intumescent kao- 



linite. 67. 



*Mineralogic notes, series 3. 453. 



Schrader, F. C. fOre deposits of the 



Rochester district, Nevada. 518. 

 Schramm, E. *Preparation of pure 



iron and iron-carbon alloys. 147. 

 Schijrecht, H. G. *Properties of 



some European plastic fire clays. 



506. 

 Scott, H. Thermoelectric measure- 

 ment of the critical ranges of pure 



iron. 650. 

 Seidell, Atherton. "("Isolation of 



vitamine from brewer's yeast. 



307. 

 Shaw, E. W. *Natural gas resources 



of parts of North Texas. 566. 

 Shear, C. L. fDr. W. Ralph Jones: 



An appreciation. 101. 

 Shtjfeldt, R. W. "("Comparative study 



of certain cranial sutures in the 



primates. 363. 



— "(Restoration of the dinosaur, Po- 

 dokesaurus holyokensis. 258. 



Silsbee, F. B. A note on electrical 

 conduction in metals at low tem- 

 peratures. 597. 



Study of the inductance of four- 

 terminal resistance standards. 

 419. 



Skogland, J. F. *lnterlaboratory 

 photometric comparison of glass 

 screens and of tungsten lamps, 

 involving color differences. 447. 



*Photometry of gas-filled lamps. 



358. 



Smith, E. F. "("Resemblances between 

 crown gall in plants and human 

 cancer. 516. 



Smith, G.'o. fU. S. Geological Sur- 

 vey and its relation to the U. S. 

 Coast and Geodetic Survey. 262. 



Smith, H. M. "("Bureau of Fisheries 

 and its relation to the U. S. Coast 

 and Geodetic Survey. 260. 



Smith, P. S. fNotes on the geology of 

 the Lake Clark-Iditarod region, 

 Alaska. 190. 



Smith, W. S. T. Polarized skylight 

 and the petrographic microscope. 

 229. 



Sosman, R. B. Preliminary report on 

 the system, lime: ferric oxide. 

 532. 



tZonal growth in hematite and its 



bearing on the origin of certain 

 iron ores. 309. 



Spaulding, Perley. "("Recent out- 

 breaks of white pine blister rust. 

 102. 



Speare, A. T. fSome fungi that kill 

 insects. 519. 



Spencer, A. C. *Economic geology 

 of the North Laramie Mountains, 

 Converse and Albany Counties, 

 Wyoming. 449. 



fGold deposits of the Atlantic 



and South Pass districts, Wyo- 

 ming. 157. 



Spillman, W. J. fA graphic method 

 for the determination of the aver- 

 age interval between departures 

 from the mean greater than a 

 given departure. 300. 



Stabler, Herman. *Ground water in 

 San Joaquin Valley, California. 

 502. 



Standley, P. C. Ammocodon, a new 

 genus of Allioniaceae, from the 

 southwestern United States. 629. 



Comparative notes on the floras of 



New Mexico and Argentina. 236. 



*The genus Espeletia. 454. 



*Fungi of New Mexico. 682. 



