142 
The Brain Weight in Relation to the Body 
Length and also the Partition of Non-Protein 
Nitrogen, in the Brain of the Gray Snapper 
(Neomenis Griseus): Shinkishi Hatai, Tor- 
tugas Laboratory, Carnegie Institute of Wash- 
ington and The Wistar Institute of Anatomy 
and Biology. 
The Rotation and Radial Velocity of the 
Central Part of the Andromeda Nebula: ¥. G. 
Pease, Mount Wilson Solar Observatory, Car- 
negie Institution of Washington. The radical 
velocity —316 km. is found. The change of 
rotation velocity with distance from the center 
seems to be linear. 
The second number of Volume 4 contains 
the following articles: 
The Heat Capacity of FHlectro-Positive 
Metals and the Thermal Energy of Free Elec- 
trons: Gilbert N. Lewis, E. D. Eastman and 
W. H. Rodebush, Chemical Laboratory, Uni- 
versity of California. The experiments go to 
indicate that in the metals considered the 
difference between the heat capacity observed 
and that calculated may be regarded as repre- 
senting the actual heat capacity of the more 
loosely bound electrons in these metals. 
Thermo-Electric Diagrams on the P-V- 
Plane: Edwin H. Hall, Jefferson Physical 
Laboratory, Harvard University. An analysis 
of the electro-motive force of a thermoelectric 
circuit on the assumption that the “free” 
electrons within the metals are the only ones 
moving progressively in the maintenance of 
a current, and the only ones taking part in 
thermo-electrie action. 
A Determination of the Solar Motion and 
the Stream Motion Based on Radial Velocities 
and Absolute Magnitudes: Gustaf Stromberg, 
Mount Wilson Solar Observatory, Carnegie 
Institution of Washington. The stream mo- 
tion is probably a local effect caused by a pref- 
erential motion of the stars in both directions 
around the center of the stellar system. There 
appears to be a tendency towards smaller val- 
ues of the declination of the sun’s apex for the 
intrinsically faint stars. 
Disease Resistance in Cabbage: L. R. Jones, 
College of Agriculture, University of Wiscon- 
SCIENCE 
[N. 8. Vou. XLVIII. No, 1232 
sin. In every case the selected head strains 
transmitted in considerable degree their resist- 
ant qualities, and certain of them did so in 
high degree. A discussion of the results in 
their general significance is also given. 
Is a Moving Star Retarded by the Reaction 
of its Own Radiation? Leigh Page, Sloane 
Physical Laboratory, Yale University. An ex- 
tended analysis of the forces acting upon the 
electron leads to the conclusion that the 
moving electron, and hence any moving mat- 
ter, suffers no retardation through its motion. 
On Electromagnetic Induction and Relative 
Motion: II. S. J. Barnett, Department of 
Physics, Ohio State University. The experi- 
ments appear to support the hypothesis for 
the existence of the ether, and to be incon- 
sistent with the principle of- relativity. 
National Research Council: Report of the 
Committee on Anthropology. 
Notice of Biographical Memoirs: John Shaw 
Billings; By S. Weir Mitchell and Fielding 
H. Garrison. 
The third number of Volume 4 contains the 
following articles: 
The Effect of Artificial Selection on Bristle 
Number in Drosophila Ampelophila and its 
Interpretations: Fernandus Payne, Zoological 
Laboratory, Indiana University. There are, 
at least, two factors for extra bristle number, 
one of them located in the first, and one in the 
third chromosome. 
The Reactions of the Melanophores of 
Amiurus to Light and to Adrenalin: A. W. L. 
Bray, Zoological Laboratory, Museum of Com- 
parative Zoology, Harvard College. The me- 
lanophores in the skin of the Amiurus react 
to direct stimulation by adrenalin, and are 
subject to nervous control mediated through 
the eye. 
Further Experiments on the Sex of Parthen- 
ogenetic Frogs: Jacques Loeb, Rockefeller In- 
stitute for Medical Research. The frogs pro- 
duced by artificial parthenogenesis can develop 
into adults of full size and entirely normal 
character. 
