668 



AUTHOR INDEX 



HoSTKTTER, J. C. *Optical glass, vol- 

 atilization of iron from pots [used 

 for], by chlorine at high temper- 

 at'ires. 640. 



Howard, L. O. fEarly days of the 

 Biological Society of Washington. 

 658. 



Howell, Arthur H. *Sparrow, a new- 

 seaside, from Florida. 497. 



Hutchinson, R. H. fLice in clothing, 

 experiments with steam disinfec- 

 tion in destroying. 418. 



Insley, Herbert. *Silica brick, con- 

 stitution and microscopic structure 

 of. 558. 



Jackson, Hartley H. T. *Napaeoza- 

 pus, the Wisconsin. 201. 



Johnston, John. *Compressibility of 

 solids, determination of. 598. 



Jones, E. L. fManganese deposits of 

 Colorado River desert region. 384. 



*Pine Creek District, Idaho, 



reconnaissance of. 637. 



XahlER, H. Photoelectric sensitivity of 

 molybdenite, the spectral. 537. 



*Quartz mercury vapor lamps, 



the decrease in ultra-violet and total 

 radiation with usage of. 169. 



Kalmbach, E. R. *Crow, and its re- 

 lation to man, the. 52. 



Kaufman, C. H. \Cortinanus, the 

 genus. 415. 



Kearney, Thomas J. *Cotton, Egyp- 

 tian, study of hybrids in. 199. 



Kellerman, Karl F. fEradication of 

 citrus canker. 143. 



Kempton, J. H. Maize, the ancestry 

 of. 3- 



Kendall, William C. Species, what 

 kind of characters distinguish, from 

 its subdivisions? 187. 



Kessler, D. W. *Marbles of the 

 United States, physical and chem- 

 ical tests on the commercial. 444. 



Kew, W. S. W. *Oil resources, struc- 

 ture and, of Simi Valley, southern 

 California. 441. 



Kimball, Herbert H. fMeteorological 

 phenomena of solar eclipse of June 

 8, 1918. 20. 



Kirk, Edwin. *Inyo Range, stratig- 

 raphy of. 414. 



fPaleozoic glaciation in south- 

 eastern Alaska. 107. 



Knopf, Adolph. *Geology and ore de- 

 posits of the Yerington district, 

 Nevada. 532. 



*Inyo Range and eastern slope 



of southern vSierra Nevada, Cali- 

 fornia, geologic reconnaissance of. 

 414. 



Metalliferous deposits. 453. 



Knowlton, F. H. Fossil maize, de- 

 scription of a new species from Peru. 



134- 

 KoTiNSKY, Jacob, flnsect evolution, 



fundamental factors of. 358. 

 Kozu, S. *Augite from Stromboli. 



104. 

 La Forge, Frederick B. f'Singing" 



beach. 500. 

 Laney, Francis B. *Ores at Tonopah, 



Nevada, genesis of the. 317. 

 Langdon, Seth C. Carbon monoxide, 



a respiration product of Nereocystis 



luelkeana. 560. 

 Le ClERC, J. A. *Potato flour and 



potato bread. 285. 

 Lee, Charles H. fWater, experience 



in supplying, to our army at the 



front. 452. 

 Lee, H. Atherton. *Citrus-canker, 



susceptibility of rutaceous plants 



to. 376. 

 Leffingwell, Ernest deK. *Alaska, 



Canning River region, northern. 



375- 



LiNDGREN, Waldemar. *Geology and 

 ore deposits of the Tintic mining 

 district, Utah. 316. 



LiTTlEHALES, G. W. *Altitude, azi- 

 muth, hour angle. 232. 



*Altitude of a celestial body when 



horizon is not visible, instrumental 

 means to enable navigators to ob- 

 serve. 231. 



*Chart as a means of finding 



geographical position by observa- 

 tions of celestial bodies in aerial and 

 marine navigation. 233. 



