INDEX 
76! 
Dog, diet, body condition, energy produc- 
tion (Anderson and Lusk), 386. 
Dogs, production of pellagra in (Chittenden 
and Underbill), 195. 
Drosophila, effect of temperature on linkage 
(Plough), 553; Strength of linkage 
(Sturtevant), 555. 
Drosophila, frequency of germinal changes 
(MacDowell), 291. 
Drosophila melanogaster meigen, food of 
(Baumberger), 122. 
Drosophila, mutant races in (Metz and 
Bridges), 673. 
Drosophila, oenothera-like case in (Muller), 
619. 
Drosophila, reverse mutations in (May), 
544. 
Duration of life in Metazoa (Loeb and Nor- 
throp), 382. 
Dynamical systems with two degrees of 
freedom (Birkhoff), 314. 
Echinoderms, analyses of (Clarke and 
Kamm), 401. 
Egg and Sperm in heredity (Conkhn), 101. 
Egg production of the domestic fowl (Har- 
ris, Blakeslee and Kirkpatrick) , 565. 
Einstein relativity-gravitational effect in 
the sun (St. John), 450 
EiSENHART, L. p. Triads of Transforma- 
tions of Conjugate Systems of Curves, 
453. 
. Transformations of Applicable Con- 
jugate Nets of Curves on Surfaces, 
637. 
Elastico-Viscous flow, laws of (Michelson), 
319. 
Electrolytes, synergetic action of (Raber), 
682. 
Electron charge and related constants 
(Millikan), 231. ^ 
Electron, electric carrier in metals (Tolman 
and Stewart), 58. 
Electron emission, Wehnelt cathodes (Wil- 
son), 426. 
Electrons, chemical function of (Noyes), 
356. 
Electrons in atom (Harkins and Aronberg), 
710. 
Ellis, J. H., see Burdick, C. L., 644. 
Embryonic atresia of the esophagus (Jor- 
dan), 264. 
Embryos, aortic cell clusters in vertebrate 
(Jordan), 149. 
Energy production in the dog (Anderson 
and Lusk), 386. 
Enumeration of triad systems in 15 elements 
(Cole, Cummings and White), 197. 
Epinephelus striatus Bloch, rheotropism of 
(Jordan), 157. 
Equation of state (Keyes), 323. 
Equilibrium between carbon monoxide, car- 
bon dioxide, sulphur dioxide, and free 
sulhpur (Ferguson), 371. 
Esophagus, embryonic atresia of (Jordan) 
264. 
Esters of a-Aminoacids and their isothi- 
ocyanates (Johnson and Ticknor), 303. 
Euglobulin, transformation of pseudo- 
globulin into (Berg), 261. 
Evaporation of gas molecules (Langmuir), 
141. 
Evolution, action and reaction and inter- 
action in (Osborn), 7. 
Exposure-ratios to determine stellar colors 
(Scares), 29. 
Family history of naval ofi&cers (Daven- 
port), 404. 
Feldspars in limestone, alkaline (Daly), 659. 
Felt, E. P. Distribution of Gall Midges, 
349. 
Fenneman, N. M. Physiographic Sub- 
division of the United States, 17. 
Ferguson, J. B. The Equilibrium between 
Carbon Monoxide, Carbon Dioxide, 
Sulfur Dioxide and Free Sulphur, 371. 
Fertility and age in the domestic fowl 
(Pearl), 354. 
Fewkes, J. W. The Mesa Verde Types of 
Pueblos, 497. 
Fiji Islands, geology of (Foye), 305. 
Fischer, C. A. On Bilinear and N-Linear 
Functionals, 640. 
Fishes, gnathostome (Allis), 73. 
Fitting of parabolas (Miner), 91. 
Flexner, S. Mechanisms that Defend 
the Body from Poliomyelitic Infection,. 
(A) External or Extra-Nervous, (B)' 
Internal or Nervous, 416. 
Food of drosophila melanogaster meigen; 
(Baumberger), 122. 
Forbes, A., and Rappleye, W. C. The 
Rate of Discharge of Central Neurones,. 
12. 
Formicidae, development of castes im 
(Wheeler), 109. 
Fowl, body pigmentation and egg produc- 
tion (Harris, Blakeslee and Warner),. 
237. 
Fowl, egg production (Harris, Blakeslee and' 
Kirkpatrick), 565. 
Fowl, fertility and age in (Pearl), 354. 
Foye, W. G. The Geology of the Fiji Is- 
lands, 305. 
Frequency of colors in galactic clouds 
(Shapley), 26. 
Fresnellian fringes, complementary (Barus), 
432. 
Frog, regeneration in (Zeleny), 211. 
Functionals, bilinear and N-linear (Fischer),. 
640. 
Galactic plane, distribution of stars witb 
respect to (Scares), 217. 
Gall midges, distribution of (Felt), 349. 
Garrey, W. E. Proof of the Muscle Ten^ 
sion Theory of Heliotropism, 602. 
