6o8 



AUTHOR INDEX 



Sanford, R. L. *Location of flaws 

 in rifle-barrel steel by magnetic 

 analysis. 329. 



Sardeson, F. W. *Surface formations 

 and agricultural conditions in south- 

 em half of Minnesota. 471. 



Sasscer, E. R. fCoccidae, brief re- 

 sume of the family. 446. 



ScHAUs, William, fAmerican tropics, 

 collecting in. 445. 



Butterflies, two new species from 



Tropical America. 434. 



Schwartz, E. A. ^Dendrochius in 

 semitropical Florida. 278. 



ScRiBNER, F. L. See Lamson-Scribner. 



Sears, J. D. *Manganese ore in Costa 

 Rica and Panama, deposits of. 573. 



Sefton, L. B. *Nitrates and nitrites 

 in battery acid, estimation of. 299. 



Selkregg, E. R. tLepidoptera, lab- 

 oratory methods of breeding and 

 rearing fruit-infesting. 529. 



Seton, Ernest Thompson. fKangaroo 

 rats of our western desert, habitat 

 and home life of. 306. 



Shepard, E. R. *Leakage resistance 

 of street railway roadbeds and its 

 relation to electrolysis of under- 

 ground structures. 469. 



Shepherd, E. S. *Gases of Kilauea, 

 composition of. 23. 



Shufeldt, R. N. fChelonians, observa- 

 tion on cervical region of spine in. 

 581. 



tMoloch lizard from Australia. 



579. 



Smith, A. H. * Determination of free 

 carbon in rubber goods. 45. 



Smith, H. M. fObnoxious fishes, keep- 

 ing them out of Yellowstone Park. 

 584. 



fPelicans in Yellowstone Park. 



584. 



fTrout, food and parasitism of 



native and introduced in Yellow- 

 stone Park. 584. 



fYellowstone Park, biological 



problems in. 583. 



fYellowstone Park, maintaining 



fish supply in. 584. 



Smith, J. Warren. fPredicting mini- 

 mum temperatures. 395. 



Snodgrass, R. E. jBiological and 

 anatomical notes on the cicada. 

 447. 



Snyder, T. E. tLead cable borer. 580. 



fTermites or white ants, habits 



of. 305. 



Staley, Homer F. 

 plugs. 302. 



Standley, Paxjl C. 



*Cement for spark 



Agonandra, Nortti 

 American species of. 505. 



Stevenson, John A. fBotanical as- 

 pects of Porto Rico. 210. 



Stimson, H. F. flonization and reso- 

 nance potentials for electrons in 

 vapors of lead and calcium. 179, 

 *324. 



Sullivan, M. X. *Pellagra, biochemi- 

 cal studies of saliva in. 415. 



SwANTON, John R. *Languages, a 

 structural and lexical comparison 

 of the Tunica, Chitamacha and 

 Atakapa. 47. 



International and interclass mis- 

 understandings. 405. 



Taylor, W. P. fBirds and mammals 

 of Mt. Rainier National Park. 578. 



fKangaroo rat in Arizona. 586. 



TiDESTROM, IvAR. ]V\ordL of Utah and 



Nevada. 422. 



Tolman, R. C. fConception of the 

 business of mathematical physics. 

 275. 



Tyndall, E. p. T. fContrast sensi- 

 bility of the eye. 325. 



Ulrich, E. O. Major causes of land 

 and sea oscillations. 57. 



Van BemmelEn, W. fVolcanoes in 

 Java. 576. 



Vaughn, Thomas Wayland. * Geology 

 and paleontology of the West 

 Indies, contribution to. 46. 



Waite, M. B. ]Paulownia tomentosa, 

 naked panicles of. 420, 578. 



