AUTHOR INDEX 



523 



McClung, C. E. fChromosomes in re- 

 lation to heredity. 316. 



McDermott, F. a. fYeast, growth of, in 

 synthetic media. 40. 



McDonnell, C. C. fLead arsenate, in- 

 vestigations on. 40. 



McIndoo, N. E. fAuditory sense of honey 

 bee. 215. 



McKelvy, E. C. fAmmonia absorption 

 machines, cause and prevention of non- 

 condensing gas formation. 41. 



fAmmonia, liquid, composition and 



testing of commercial. 40. 



^Meggers, W. F. *Wave lengths in arc 

 spectra of seven elements. 210. 



Meinzer, Oscar E. fGround water prob- 

 lems in the Hawaiian Islands. 424. 



*Ground water, publications of U. S. 



Geological Survey relating to. 58. 



fHawaii, recent volcanic events in 



island of. 427. 



fPleistocene lakes in the Basin-and- 



Range Province, map of and interpre- 

 tation. 447. 



*Water, exploratory drilling for, and 



use of ground water for irrigation in 



Steptoe Valley, Nev. 442. 

 Meisinger, C. LeRoy. fMeteorological 



factor in aeronautics. 283. 

 Mendenhall, C. E. fForeign laboratories 



and societies. 162. 

 Merriam, C. Hart, flndians of Yosemite 



region, Cal. 379. 

 Merrill, C. W. fAmmonia program for 



1918. 41. 

 Merrill, E. D. fPhilippines, man and 



nature in the. 114. 



fPhilippines, vegetation of the. 120. 



MertiE, J. B., Jr. fPalladium mine near 



Kasaan, Alaska, the Salt Chuck. 423. 

 Merwin, H. E. *Augite from Vesuvius 

 and Etna. 441. 



*Sediments, chemical researches on. 



419. 



Metcalf, Haven. fPlant introduction, 

 story of a. 474. 



Meyers, C. H. fArmnonia vapor, pres- 

 sure of. 43. 



MiCHELSON, Truman. *0w1 sacred pack. 

 Fox Indians. 395. 



MiDDLETON, William. ]Dihrachys nigro- 

 cyaneum parasitic on Diprion simile. 

 216. 



fSaw-flies, comparison of larval 



folds and adult sclerites in. 140. 



fSaw-flies, terminal abdominal ap- 

 pendages of. 144. 



Miller, L. H. fAsphalt beds of Rancho 

 La Brea. 262. 



Miser, Hugo D. fLlanoria, Paleozoic 

 land area in Louisiana and Texas. 444. 



*Manganese ore in Batesville dis- 

 trict. Ark. 194. 



MoFKiT, F. H. §Aeroplane photographs, 

 problem of making maps from. 123. 



MoHLER, F. L. X-rays, characteristic soft, 

 from arcs in gases and vapors. 273, f515. 



Monroe, K. P. finvertase, commercial 

 preparation and applications of the 

 enzyme. 42. 



Morgan, H. R. *Observations with nine- 

 inch transit circle 1903-11, results of. 

 189. 



MoRLEY, Sylvanus G. f Hieroglyphic writ- 

 ing of ancient Mayas. 377. 



Mueller, E. F. fMollier diagrams. 349. 



fHypsometer as a precision in- 

 strument. 167. 



MuESBECK, C. F. W. *Ichneumon-flies of 

 the genus Apanteles, revision of North 

 American species. 347. 



Myer, William E. fCumberland val- 

 ley, Tenn., recent explorations in. 378. 



Myers, C. H. fMollier diagrams. 349. 



Nelson, E. K. fVaniUyl acyl amides. 42. 



Nelson, E. W. *Federal and state game 

 preserves. 512. 



NicoLSON, A. McL. fPiezo-electric effect. 

 472. 



NoRRis, J. F. f Carbon compounds, activ- 

 ity in certain elements in. 41. 



NOYES, A. A. fNitrogen problem in re- 

 lation to the war. 41. 



NusBAUM, C. f Magnetic reluctivity and 

 eutectoid carbon steel. 38. 



Oberholser, Harry C. *A. O. U. check- 

 list, fifth annual of proposed changes. 

 497. 



* Clapper rail, new, from Fla. 496. 



* Cliff swallow, new, from Canada. 496. 



