CONTENTS 
Page 
PaThoIvOGY. — Encephai^itis and P01.10MYBLITIS By Simon Flexner 103 
Physics. — Statisticai, Method for Studying the Radiations prom Radio- 
active Substances and the X-Rays and Its Application to some t-Ray 
Probi^Ems , By Alois F. Kovarik 105 
Physics. — On the Nature op the Heat Production in a System of Pi^atinum 
Bi<ACK, Ai^coHOL AND AiR By L. B. Loeb 107 
Pathoi^ogy. — Leptospira Icteroides and Yei*i.ow Fever. .By Ilideyo Noguchi 110 
Physioi^ogy. — Human Retinai, Adaptation ....By Selig Hecht 112 
Physics. — ^A Kinematicai, Interpretation of Ei^ectromagnetism 
By Leigh Page 115 
Physics. — ^The Laws op Ei^astico- Viscous F1.0W. II By A. A. Michelson 122 
Astronomy. — ^A Note on the Simple Device for Increasing a Photographic 
Power op Large Telescopes By Harlow Shapley 127 
Anthropology. — ^Anthropometry of the Siouan Tribes. .By Louis R. Sullivan 131 
Genetics. — ^Transmission of Eye-Defects Induced in Rabbits by Means of 
Lens-Sensitized Fowl-Serum By M. F. Guyer and E. A. Smith 134 
Pathology. — On the Mechanism of Fever Reduction by Drugs 
By Henry G. Barhoitr and Julian B. Herrmann 136 
Physics. — Inferences from the Hypothesis of Dual Electric Conduction; 
THE Thomson Effect By Edwin H. Hall 139 
Mathematics. — Note on Geometrical Products 
By C. L. E. Moore and H. B. Phillips 155 
