SUBJECT INDEX 



537 



^Educational courses at Bureau of Stand- 

 ards. 428. 



^Educational courses at Department of 

 Agriculture. 515. 



§Interchange of publications between 

 Germany and the U. S. resumed. 147. 



§Lectures at Bureau of Standards. 499. 



fPan-Pacific Scientific Congress. W. 

 Bowie. 165. W. E. Safford. 118. 



§Patents arising in government service, 

 conference on. 379. 



§Personnel Research Federation, organi- 

 zation of. 196. 



fRock Creek Park, lure of. F. Lamson- 

 SCRIBNER. 121. 

 Scientific Notes and News. 24, 44, 67, 100, 

 123, 147, 170, 196, 220, 244, 264, 287, 

 317, 351, 379, 400, 428, 447, 476, 499, 

 515. 

 Spectroscopy. *Spectral transmission of 

 the atmosphere. E. Karrer and E. 

 P. T. Tyndall. 210. 



*Wave length measurements in arc spec- 

 tra photographed in yellow, red, and 

 infra-red. F. M. Walters, Jr. 439. 



*Wave lengths in arc spectra of seven 

 elements. C. C. KiESS and W. F. 

 Meggers. 210. 



Technology. jOptical glass, new methods of 

 sealing. C. O. Fairchild. 314. 

 Radiators for aircraft engines. S. R. 

 Parsons and D. R. Harper. 409. 

 Terrestrial Magnetism. fAtmospheric elec- 

 tric observations during solar eclipse of 

 May 29, 1919, and summary of similar 

 observations. S. J. Mauchly. 163. 

 Earth's size, bearing of, upon changes in 

 its magnetism. W. F. G. Swann. 275. 

 fMagnetic and meteorological observa- 



tions during solar eclipse May 29, 1919. 



L. A. Bauer. 164. 

 fSolar activity, terestrial magnetism, 



and terrestrial electricity. L. A. 



Bauer. 399. 

 Volcanology. fHawaii, recent volcanic 



events in island of. O. E. Meinzer. 



427. 

 §Katmai eruption, assimilation during. 



C. N. Fenner. 514. 

 *Katmai region, Alaska, and eruption of 



1912. C. N. Fenner. 394. 

 fKatmai region, Alaska, structural and 



volcanic geology of. C. N. Fenner. 444. 

 *Mauna Loa, gas collections from. E. 



S. vShepherd. 420. 

 Zoology. fBirds and mammals of Yosemite 



Park. H. C. Bryant. 263. 

 fCrinoids. A. H. Clark. 64. 

 *Crinoids collected by Barbados-Antigua 



expedition. A. H. Clark. 312. 

 *Echinoderms of Canadian Arctic expe- 

 dition. A. H. Clark. 283. 

 Evolution of animals. A.H.Clark. 207. 

 Marionella (Eurystonia), emendation. 



N. A. Cobb. 504. 

 Mollusks, Philippine land (Ceratopoma). 



P. Bartsch. 501. 

 Names, family, in zoology. W. L. 



McAtee. 230. 

 Nomenclature of supergeneric names. 



S. A. RoHWER. 106. 

 *Ophitirans collected by Barbados-An- 

 tigua expedition. A. H. Clark. 346. 

 *Sea lilies and feather stars. A. H. 



Clark. 283. 

 fShip worm, damage caused by. P. 



Bartsch. 65. 

 fTurtle, spotted, sexual differences in 



coloration. S. F. Blake. 242. 



