718 
INDEX 
Campbell, W. W. Report of the Meet- 
ings of the International Research 
Council and of the Affiliated Unions 
held at Brussels, Julyl8-28, 1919, 340. 
Campbell, W. W., and Stebbins, J. 
Report on the Organization of the 
International Astronomical Union, 
349. 
Cancer in Mice (Murphy), 35. 
Capella, orbit of (Michelson), 474. 
Carbon dioxide: heat ratio (Armsby et al.), 
263. 
Castle, W. E. Model of the Linkage 
System of Eleven Second Chromo- 
some Genes of Drosophila, 73. 
Cattle, breeding of (Pearl), 225. 
Census of U. S. (Pearl and Reed), 275. 
Central American Calendars (Spinden), 
56. 
Cell plate formation (Bailey), 197. 
Cervical ganglia (Meltzer), 532. 
Charcoal activation (Sheldon), 178. 
Charcoals, adsorption in (Harkins and 
Ewing), 49. 
Cheplin, H. a., and Rettger, L. F. 
Studies on the Transformation of the 
Intestinal Flora, with Special Refer- 
ence to the Implantation of Bacillus 
Acidophilus, I. Feeding Experi- 
ments with Albino Rats, 423. II. 
Feeding Experiments with Man, 704. 
Chondrules in Meteorites (Merrill), 449. 
Chromosome genes, linkage of (Castle), 73. 
Climate, affected by solar radiation 
(Abbot), 82. 
CoHN, E. J. The Relation between the 
Isoelectric Point of a Globulin and 
Its Solubility and Acid Combining 
Capacity in Salt Solution, 256. 
Cold and plant growth (Coville), 434. 
Collins, J. F., see Babcock, E. B., 670. 
Color index of giant stars (Shapley), 293. 
Conduction of electricity (Hall), 139; 
of heat (Hall), 613. 
Conformal mapping (Gronwall), 300, 312. 
Connective tissue, development of (Bait- 
sell), 77. 
Coville, F. V. The Influence of Cold 
in Stimulating the Growth of Plants, 
434. 
CowLES, R. p. The Transplanting of 
Sea Anemones by Hermit Crabs, 40. 
Cows, temperature of (Kriss), 539. 
Cross, W., Chairman. The Kilauea Vol- 
cano Observatory, 706. 
Crabs, behavior of (Cowles), 40. 
Crossing-over (Detlefsen), 663. 
Cubic curves (McDonald), 702. 
Dairy cattle (Pearl), 225. 
Daly, R. a. A General Sinking of Sea- 
Level in Recent Time, 246. 
Davis, H. N., see Shapley, H., 486. 
Day, a. L., see Cross, W., 706. 
Deformation, differentiation by (Bowen), 
159. 
Detlefsen, J. A. is Crossing-Over a 
Function of Distance? 663. 
Detwiler, S. R. On the Hyperplasia 
of Nerve Centers Resulting from 
Excessive Peripheral Loading, 96. 
. Functional Regulation in Animals 
with Composite Spinal Cords, 695. 
Development, influence of environment 
(Boas), 489. 
Differential equations, seminvariants of 
(Stouffer), 645. 
Differentiation by deformation (Bowen), 
159. 
Distribution, geographical, and relation- 
ship (Metcalf), 432. 
Dinosaur (Osborn and Mook), 15; (Gre- 
gory), 16. 
Drosophila melanogaster, mutant cross- 
veinless (Bridges), 660. 
Drosophila, linkage in (Castle), 73. 
Drosophila, genes in (Metz), 164. 
Drosophila virilis, sterility in mutants 
(Metz), 421. 
Drosophila virilis, genes and linkage 
(Weinstein), 625. 
DuANE, W., and Patterson, R. A. 
Characteristic Absorption of X-Rays : 
L Series, 509. 
DuANE, W., and Patterson, R. A. 
On the Relative Positions and In- 
tensities of Lines in X-Ray Spectra, 
518. 
Duane, W., and Stenstrom, W. On 
the K Series of X-Rays, 477. 
Duane, W., Fricke, H., and Sten- 
strom, W. The Absorption of X- 
Rays by Chemical Elements of 
High Atomic Numbers, 607. 
Durand, W. F. Shock or Water Ram 
in Pipe Lines with Imperfect Re- 
flection at the Discharge End and 
Including the Effects of Friction 
and Non-Uniform Change of Valve 
Opening, 441. 
DuTCHER, R. A. The Nature and Func- 
tion of Antineuritic Vitamine, 10. 
Dynamics of growth (Reed), 397. 
L. P. EisENHart. The Permanent Gravi- 
tational Field in the Einstein Theory, 
679. 
Elastico- viscous flow (Michelson), 122, 
Electrolytic solutions (Hitchcock), 186. 
Electric conduction (Hah), 139. 
Electromagnetism, kinematical interpreta- 
tion (Page), 115. 
Electromagnetic theory (Bateman), 528. 
Embryo, connective tissue in (Baitsell), 77. 
Encephahtis (Flexner), 103. 
Environment and heredity (Wright), 320. 
Environment, influence on development 
(Boas), 489. 
Ewing, D. T., see Harkins, W. D., 49. 
Exostosis, multiple (Underhill et al.), 79. 
Explosions, spectra of (Anderson), 42. 
