viii 
CONTENTS 
PAGE 
On the Pathological Action of Arsenicals Upon the Adrenals 
By Wade H. Brown and Louise Pearce 462 
Variations in the Character and Distribution of the Renal Lesions Produced 
BY Compounds of Arsenic By Louise Pearce and Wade H Brown 463 
The Mechanism of Antagonistic Salt Action By Jacques Loeh 473 
The Role of the Liver in Acute Polycythaemia : The Mechanism Controlling the 
Red Corpuscle Content of the Blood By Paul D. Lamson 521 
A Quantitative Study of Cutaneous Analgesia Produced by Various Opium Alka- 
loids By David I. Macht, N, B. Herman and Charles S. Levy 582 
Energy Transformations During Horizontal Walking 
By Francis G. Benedict and Hans Murschhauser 597 
The Physiology of the New-Born Infant. By Francis G. Benedict and Fritz B. Talbot 600 
A Comparison of Methods for Determining the Respiratory Exchange of Man 
By Thome M. Carpenter 602 
BACTERIOLOGY 
PAGE 
Variation in Bacteria By Edwin 0. Jordan 160 
On a New Group of Bactericidal Substances Obtained from Hexamethylene- 
tetramine By Walter A. Jacobs and Michael Heidelberger 226 
A Mechanism of Protection Against Bacterial Infection By Carroll G. Bull 545 
ANTHROPOLOGY 
PAGE 
Archeology of Barbados By J. Walter Fewkes 47 
Culture of the North American Indians Occupying the Caribou Area and its 
Relation to other Types of Culture By Clark Wissler 51 
The Study of Indian Music By Alice C. Fletcher 231 
Some Recent Anthropological Explorations By Ales Hrdlicka 235 
The Diffusion of Horse Culture Among the North American Indians 
By Clark Wissler 254 
Exogamy and the Classificatory System of Relationship By Robert H. Lowie 346 
The Distribution and Functions of Tribal Societies Among the Plains Indians: 
A Preliminary Report By Clark Wissler 401 
An Exhibit in Physical Anthropology By Ales Hrdlicka 407 
The Linguistic Classification of Potawatomi By Truman Michelson 450 
The Indian and Nature By Alice C. Fletcher 467 
The Octopus Motive in Ancient Chiriquian Art By George Grant MacCurdy 499 
The Child and the Tribe By Alice C. Fletcher 569 
PSYCHOLOGY 
PAGE 
A Point Scale for Measuring Mental Ability By Robert M. Yerkes 114 
Color Vision in the Ring-Dove (Tutur risorius) By Robert M. Yerkes 117 
Neuro-Muscular Effects of Moderate Doses of Alcohol 
By Raymond Dodge and Francis G. Benedict 605 
