23] 



VOLUMES XLI-L. 



501 



Kentucky geology, Miller, 49, 219; 

 Jefferson Co., Butts, 41, 374. 



— migiation of headwaters divide 

 of Right Middle Creek, Jillson, 

 47, 60. 



— Mississippian formations, Butts, 

 47, 232. 



— oil and gas resources, Jillson, 

 49, 152. 



Keokuk geodes, Van Tuy], 42, 34. 



Keyes, C, rotating straticulate 

 spheroid, 47, 108. 



Kilauea, changes of level of lava, 

 Jaggar, 43, 255; . cyclical varia- 

 tions in eruption, Wood, 45, 146; 

 explosive ejectamenta, Powers, 

 41, 227; volcanologic investiga- 

 tions, Jaggar, 44, 161. 



Kindle, E. M., bottom marine 

 faunas of Bay of Fundy, 41, 449; 

 Devonian faunas of the Mac- 

 Kenzie River Valley, 42, 246; 

 rounding of sand grains, 47, 431. 



Kinetic theory, cosine law, Knud- 

 sen, 43, 83. 



Kingsbury, J. E., Telephone, 41, 

 297. 



Kingsley, J. S., Comparative Anat- 

 omy of Vertebrates, 45, 240. 



Kirk, E., Paleozoic glaciation in 

 Alaska, 46, 511. 



Knight, C. W., euxenite in Ontario, 



44, 243; Nickel Deposits, 45, 239. 

 Knowlton, F. H., flora of the Mor- 

 rison formation, Colo., 49, 189. 



Kobayashi, M., electrolytic analy- 

 sis' 43, 39 1 ; platinized anode in 

 determination of manganese, 44, 

 53; determination of thorium, 



45, 227; of fluorine, 45, 370. 

 Kozu, S., augite from Stromboli, 



45, 463. 

 Kraemer, H., Pharmacognosy, 41, 



380. 

 Kraus, E. H., melanochalcite, 41, 



211. 

 Krogh, A., Respiratory Exchange 



of Animals and Man, 43, 422. 

 Kryshtofovich, A. N., Cretaceous 



age of the "Miocene flora" of 



Sakhalin, 46, 502. 

 Krystallformen, Atlas der, Gold- 



schmidt, 50, 397. 

 Krystallographie, Zeitschrift, 50. 



472. 

 Kunz, G. F., Magic of Jewels and 



Charms, 41, 224; Rings, 43, 339; 



Precious Stones in 1917, 47, 238; j 



and Platinum in 1919, 50, 471. 



Laboratory Manual, Clark, 45, 420. 

 Lahee, F. H., Field Geology, 43, 



172. 

 Lake Iroquois, etc., Coleman, 44, 



351, 487. 



Lake Timiskaming, Paleozoic out- 

 lier, Hume, 50, 293. 



Lambert projection, 48, 164. 



Lamellibranchs, living, of New 

 England, Morse, 45, 477. 



Lane, A. C, Lawson's correlation 

 of the Pre-Cambrian era, 43, 42. 



Laney, F. B., geology of the Vir- 

 gilina district of Virginia, 45, 476. 



Lankester, Sir R., Diversions of a 

 Naturalist, 41, 151. 



Larsen, A., Oersted's discovery of 

 Electro-magnetism, 1820, 50, 466. 



Larsen, E. S., sulphatic cancrinite 

 from Colorado, 42, ,332; optical 

 character of sulphatic cancrinite, 

 43, 420; eakleite, 43, 464. 



— melanterite and chalcanthite 

 groups, 50, 225. 



Larue, G. R., Animal Biology, 50, 

 76. 



Lau Islands, see Fiji. 



Lava eruption of Stromboli, 1915, 

 Perret, 42, 443; flow from Mauna 

 Loa, 1916, Jaggar, 43, 255; Morro 

 Hill, Calif., Waring, 44, 98. 



— See ROCKS. 



Law of error, genesis, Sampson, 



47, 226. 

 Lawson. See Lane. 

 Lead, radioactive, 43, 166. 



— See CHEMISTRY. 



Least Squares, Theory, Weld, 41, 

 562. 



Lecat, M., Azeotropism, 4g, 217; 

 Pensees sur la Science, etc., 49, 

 218. 



Lecithin, Maclean, 46, 549. 



Lee, J., Telegraphy, 45, 237. 



Lee, T. H., two new zircon min- 

 erals, 47, 126; ferrazite, 48, 353. 



Lee, W. T., Morrison formation, 

 Colorado, 49, 183; Manzano 

 group, New Mexico, 49, 323. 



Lenses, axial aberrations, Tillyer 

 and Shultz, 45, 474. 



Lepper, G. H., Nebula to Nebula, 

 47, 386. 



Les Bas, G., Molecular Volumes, 

 41, 294. 



Lester, O. C, emanation electro- 

 scopes, 44, 225; radioactive min- 

 eral springs of Colorado, 46, 621. 



