522 



AUTHOR INDEX 



*Ulbricht sphere, use of. 439. 



Kempton, J. H. *Maize, heritable char- 

 acters of — lineate leaves. 55. 



Maize, linkage between brachytic 



culms and pericarp and cob color in. 

 13. 



*Teosinte-maize hybrid. 136. 



KiEss, C. C. *Wave lengths in arc spectra 

 of seven elements. 210. 



Kimball, H. H. fSky brightness and day- 

 light illumination measurements. 513. 



Knopf, Adolph. *Divide silver district 

 Nev. 441. 



Knopf, Eleanora Bliss. *Chrome ores 

 in Penn. Md. and N. C. 494. 



fStratigraphy of metamorphic rock 



of southeastern Pennsylvania and Mary- 

 land. 446. 



KoBER, George M. fDisabilities in child- 

 hood, prevention of. 378. 



Kraus, C. a. fLaboratory methods and 

 apparatus. 40. 



Laake, E. W. *Flies, dispersion of by 

 flight. 495. 



LaForge, F. B. fSedoheptose, new su- 

 gar from Sedum spectabile. 40. 



LaForge, Laurence. fEskers of Ireland. 

 446. 



fPeneplanation, suggested modifica- 

 tion of doctrine of. 447. 



Lamb, A. B. fPoisonous gases, chemical 

 protection against. 42. 



Lamson-Scribner, F. jLure of Rock 

 Creek Park. 121. 



Larsen, E. S., Jr. Bementite and neoto- 

 cite from western Washington; iden- 

 tity of bementite and caryopilite. 25. 



*Tungsten deposits in U. S. 487. 



*Yellow Pine ciimabar mining dis- 

 trict, Idaho. 192. 



Lawyer, George A. *Migratory birds, 



federal protection of. 61. 

 Lee, Cilarles H. *Ground waters of 



western San Diego County, Cal. 235. 

 Lee, Willis T. fAerial photographs, use 



of, in geography. 426. 



§Aeroplane photography in geology, 



use of. 123. 



Lewis J. Volney. * Chrome ores in Perm., 

 Md., and N. C. 494. 



Lincoln, F, C. *Florida redwing, plum- 

 age of male. 111. 



LiTTELL, F. B. fZenith tube at Washing- 

 ton, photographic variation of lati- 

 tude and constant of aberration from 

 four years' work with. 241. 



LiTTLEHALES, G. W. *Vessel-to-shore ra- 

 dio-compass bearings in aerial and 

 transoceanic navigation. 59. 



Livingston. D. C. *Ye]low Pine cinna- 

 bar mining district, Idaho. 192. 



LoTKA, Alfred J. *Evolution and ir- 

 reversibility. 56. 



*Kinetics of material transforma- 

 tions. 56. 



LuBS, H. A. fToluene, chlorination of. 

 41. 



Mann, W. M. *Ants of Fiji Islands. 346. 

 Mansfield, George R. *Coal in eastern 

 Idaho. 193. 



t^&neous geology of southeast Idaho. 



446. 



fTypes of structiure in southern 



Idaho. 421. 

 Marmer, H. a. fCoastal currents and 



winds on the Pacific Coast. 397. 



fTidal current investigations. 37. 



fTides in Bay of Fundy and their 



causes. 514. 



Martin, J. S. fElectrical resistance of 

 the human body. 286. 



Marvin, C. F. fGeoidal slope, law of, and 

 fallacies in dynamic meteorology. 211. 



fYosemite region, physiographic his- 

 tory of. 421. 



fYosemite Valley, torrent channels 



and torrent levees in. 446. 



Mauchly, S. J. fAtmospheric electric ob- 

 servations during solar eclipse of May 

 29, 1919, and summary of similar ob- 

 servations. 163. 



fAtmospheric electricity, diurnal var- 

 iation of. 398. 



§ Atmospheric electricity, methods 



and problems of. 447. 

 Maxwell, L. C. *Electrolytic resistance 



method for determining carbon in 



steel. 261. 

 McAtee, W. L. *Diptera of the Tipu- 



loidea in District of Columbia. 347. 



Family names in zoology. 230. 



