INDEX 
765 
Parallax of planetary nebula N. G. C. 7662 
(van Maanen), 133. 
Parasites, adult hymenopterous (Brues), 
136. 
Parker, G. H. The Responses of Hydroids 
to Gravity, 72. 
Peanut, proteins of (Johns and Jones), 365. 
Pearl, R. Fertility and Age in the Do- 
mestic Fowl, 354. 
Pease, F. G., and Shapley, H. Axes of 
Symmetry in Globular Clusters, 96. 
Pellagra, produced in dogs (Chittenden and 
Underhill), 195. 
Perrine, C. D. Relation of the Apex of 
Solar Motion to Proper Motion and on 
the Cause of the Differences of its 
Position from Radical Velocities and 
Proper Motions, 38. 
. Relation of Preferential Motion and 
of the Spectral-Class and Magnitude 
Velocity Progressions to Proper Motioti^ 
491. 
Petrography, Island of Bawean, Nether- 
lands Indies (Iddings and Morley), 105. 
Petrography of Southern Celebes (Iddings 
Morley), 592. 
Phosphorescence of certain sulphides 
(Nichols), 199. 
Phylogenetic development of subapterous 
and apterous castes in the formicidae 
(Wheeler), 109. 
Physiographic subdivision of the United 
States . (Fenneman), 17. 
Phytophthora, studies of the genus (Rosen- 
baum), 159. 
Pigmentation and egg production in the fowl 
(Harris, Blakeslee and Warner), 237. 
PiNCOPFS, M. C, see Abel, J. J., 507. 
Planarians, means of locomotion^in (Stringer) . 
691. 
Planck's h (Millikan), 231. 
Platinum, X-rays of L series (Webster and 
Clark), 181. 
Plato's Atlantis (Schuchert), 65. 
Plough, H. H. The Effect of Tempera- 
ture on Linkage in the Second Chromo- 
some of Drosophila, 553. 
Polar stars, color of the standard (Seares), 
29. 
Poliomyelitic infettion, mechanisms that 
defend the body from (Flexner), 416. 
Pons-WinneCke's comet, meteor system of 
(Olivier), 47. 
Pressure phenomena in growth of crystals 
(Taber), 297. 
Pressure, resistance of metals under (Bridg- 
man), 10. 
Proteins of the peanut, arachis h5^ogaea 
(Johns and Jones), 365. 
Pseudoglobulin, transformation of into eu- 
globin (Berg), 261. 
Publications from Germany, Scientific 
(Brockett), 717. 
Publications of the Academy, 743. 
Pueblos, Mesa Verde types of (Fewkes), 497. 
Quartic, cayleyan curve (Cohen), 447. 
Raber, O. L. The Synergetic Action of 
Electrolytes, 682. 
Radiation of a uniformly heated enclosure 
(Coblentz), 504. 
Radium, triplet series of (Anslow and 
Howell), 409. 
Rappleye, W. C, see Forbes, A., 12. 
Rate of discharge of central neurones 
(Forbes and Rappleye), 12. 
Rations, balanced, physiologidal effects 
(Hart and others), 374. 
Rats, alcoholized (MacDowell and Vicari), 
577. 
Raymond, H. The Principal Axes of Stel- 
lar Motion, 485. 
Redfield, a. C. The Reactions of the 
Melanophores of the Horned Toad, 
202. 
. The Coordination of the Melano- 
phore Reactions of the Horned Toad, 
204. 
Refractivity by displacement interferom- 
etry (Barus), 116. 
Regeneration, rate of (Zeleny), 211. 
Relativity gravitational effect of Einstein 
(St. John), 450. 
Report of the Annual Meeting, 390. 
Report of the Autumn Meeting, 753. 
Resistance of metals under pressure (Bridg- 
man), 10. 
Respiration after death (Haas), 688. 
Responses of hydroids to gravity (Parker), 
72). ^ 
Rheotropism of epinephelus striatus Bloch 
(Jordan), 157. 
Richards, T. W., and Davis, H. S. Im- 
provements in Calorimetric Combus- 
tion, and the Heat of Combustion of 
Toluene, 50. 
RiCHARQS, T. W., and Hall, N. F. Attempt 
to Separate the Isotopic Forms of Lead 
by Fractional Crystallization, 339. 
Rosa, E. B., and Vinal, G. W. _ The Silver 
Voltameter as an International Stand- 
ard for the Measurement of Electric 
Current, 59. 
RosENBAUM, J. Studies of the Genus Phy- 
tophthora, 159. 
St. John, C. E. A Search for an Einstein 
Relativity-Gravitational Effect in the 
Sun, 450. 
St. John, C. E. and Babcock, H. D. The 
Development of a Source for Standard 
Wave-lengths and the Importance of 
Their Fundamental Values, 505. 
ScHOEPFLE, C. S., see Gomberg, M., 457. 
Schuchert, C. Atlantis and the Perma- 
nency of the North Atlantic Ocean 
Bottom, 65. 
Sea urchins, variability of germ cells of 
(Goldfarb), 241. 
