INDEX. 



Abbott, experiences of a sanitary 

 officer in the army, xiv 



Aculeata, parasitic, i 



Allen, basis of sex inheritance in 

 Sphccrocarpos, 289 



Allen & Webster, on a new (?) 

 method in exterior ballistics, 382 



Alternating-current planevector po- 

 tentiometer measurements at tele- 

 phonic frequencies, 97 



America, evolution and mystery in 

 the discovery of, 55 



Anderson, expedition of the Mount 

 Wilson Observatory to the Solar 

 Eclipse of June, 1918, 255 



Antillean fauna, recent discoveries 

 of fossil vertebrates in the West 

 Indies and their bearing on the 

 origin of, 161 



Ashford, application of sanitary sci- 

 ence to the Great War in the zone 

 of the army, 317 



B 



Balch, E. S., evolution and mystery 

 in the discovery of America, 55 



Ballistics of a gun of seventy-five- 

 mile range, 273 



on a new method in exterior, 382 



Barnard, self-luminous night haze, 

 223 



Benedict & Johnson, energy loss of 

 young women during the muscular 

 activity of light household work, 89 



Bloomfield, science of stealing in an- 

 cient India, xi 



Bogert, historical introduction to 

 symposium on chemical warfare, xi 



Brown, errors induced in bullets by 

 defects in their manufacture, x 



Burrell, chemical warfare and re- 

 search, xi 



Camarasaurus Cope, characters and 



restoration of the sauropod genus, 



386 

 Campbell, Crocker eclipse expedition 



from the Lick Observatory, June, 



1918, 241 

 Chemical warfare, symposium on, xi 



Cheyney, organized labor and peace, 

 iv 



Chiera, atonement idea among the 

 ancient Semites, xi 



Clarke, conservation of natural mon- 

 uments, V 



Clay, empire of Amurru, xi 



Commodities, relative contribution of 

 the staple, to the national food 

 consumption, 182 



Coronal arches and streamers, 272 



Crocker eclipse expedition from the 

 Lick Observatory, June 8, 1918, 241 



Dewey, means of defense against 

 chemical warfare, xi 



Dominion, peoples of central and 

 eastern Europe, iii 



Dorsey, chemical warfare and manu- 

 facturing development, xi 



Driver, the Luciopimeliodinae, xiii, 

 448 



Duane, league of nations, iv 



Duggar, hydrogen-ion concentration 

 of nutrient solutions in relation to 

 the growth of seed plants, vii 



E 



Eclipse expedition from the Lick Ob- 

 servatory, 1918, Crocker, 241 



Eigenmann, Trogloglanis Pattcrsoni, 

 a new blind fish from San Antonio, 

 Texas, 397 



Election of officers and councillors, iii 



Energy loss of young women during 

 the muscular activity of light 

 household work, 89 



Evolution, parasitic aculeata, a study 

 of, I 



Food consumption, relative contribu- 

 tion of the staple commodities to 

 the national, 182 



Fossil vertebrates in the West Indies 

 and their bearing on the origin of 

 the Antillean fauna, 161 



Frost, results of observations of the 

 eclipse of the expedition from 

 Yerkes Observatory, 282 



Functions of the nth degree, graph- 

 ical representation of, 236 



XV 



