ERRATA 
645 
Trypanosoma brucei in the rat (Erdmann), 
504. 
Turquois, the (Pogue), 185. 
Uhler, H. S. On Thiele's 'Phase' in Band 
Spectra, 487. 
Valence, electron theory of (Stieglitz), 197. 
Vector functions, quadratic (Hitchcock), 
177. 
Vegetarians, caloric output of (Benedict 
and Roth), 100. 
Vision of fishes (Mast), 214. 
Vortex experiments and sun-spots (Hale 
and Luckey), 385. 
Vortices, rotation of sun-spot (Hale), 382. 
VoSBURGH, I., see Stieglitz, J., 202. 
Walcott, C. D. Discovery of Algonkian 
Bacteria, 256. 
Walking, energy transformations in (Bene- 
dict and Murschhauser), 597. 
Walnut mutant investigations (Babcock), 
535. 
Washburn, E. W. and Millard, E. B. 
The Hydration of the Ions of Cesium 
Chloride Derived from Transference 
Experiments in the Presence of 
Rafifiinose, 142. 
Washburn, E. W. and Read, J. W. 
The Freezing-Point-Solubility Law 
for Ideal Solutions, 191. 
Washington, H. S. The Correlation of 
Potassium and Magnesium, Sodium 
and Iron in Igneous Rocks, 574. 
Wave-lengths in iron arc (St. John and 
Babcock), 131, 295. 
Weber's Law (Loeb), 439. 
Wheeler, W. C, see Clarke, F. W., 262, 
552. 
White, H. S. Seven Points on a Twisted 
Cubic Curve, 464. 
White, H. S. The Synthesis of Triad Sys- 
tems At in / Elements, in Particular for 
t = 31, 4. 
Wilczynski, E. J. Conjugate Systems of 
Space Curves with Equal Laplace- 
Darboux Invariants, 59. 
Wilson, E. D., see Harkins, W. D., 276. 
Wilson, R. E. On the Radial Velocities 
of Five Nebulae in the Magellanic 
Clouds, 183. 
Wissler, C. Culture of the North Ameri- 
can Indians Occupying the Caribou 
Area and its Relation to other Types 
of Culture, 51. 
. The Diffusion of Horse Culture 
among the North American Indians, 
254. 
. The Distribution and Functions of 
Tribal Societies among the Plains 
Indians: A Preliminary Report, 401. 
Wolf -Ray et star. Nova Geminorum No. 2 
as (Adams and Pease), 391. 
Wright, W. H. On the Occurrence of the 
Line 4686 A and the Related Series of 
Lines in the Spectra of the Planetary 
Nebulae, 266. 
. Outlines of a Proposed System of 
Classification of the Nebulae by Means 
of their Spectra, 590. 
. Some Probable Identities in Wave^ 
length in Nebular and Stellar Spectra, 
596. 
XX Cygni, light curve of (Shapley and 
Shapley), 452. 
Yerkes, R. M. A Point Scale for Measur- 
ing Mental Ability, 114. 
. Color Vision in the Ring-Dove 
(Tutur risorius), 117. 
Zeleny, C. and Faust, E. C. Dimorphism 
in Size of Spermatozoa and its Rela- 
tion to the Chromosomes, 91. J 
Errata 
p. 325, 1. 23, for four hundredth read three hundredth, 
p. 325, last line, delete (instead of 150). 
p. 498, 1. 2Jor 2.01 read 20.1. 
