CONTENTS 
Page 
Geology. — ^The Origin of Veins of the Asbestiform Minerals 
By Stephen Taber 659 
Geology.-^A New Test of the Subsidence Theory of Coral Reefs .... 
By Reginald A. Daly 664 
Physics, — A New Thermometer Scale .By Alexander McAdie 670 
Zoology. — On the Immunity Coloration of Some Nudibranchs By W. J. Crazier 672 
Genetics. — Some Effects of the Continued Administration of Alcohol to the 
Domestic Fowl, with Special Reference to the Progeny By Raymond Pearl 675 
Physics. — An Ionization Manometer , By 0. E. Buckley 683 
Botany. — Physiological Studies on Rhizophora. By Howard H. M. Bowman 685 
Physiology. — On the Hydrogen Ion Concentration of Sea Water, and the 
Physiological Effects of the Ions of Sea WaIer . . By J. F. McClendon 689 
Physiology. — Some Interrelations Between Diet, Growth, and the Chemical 
Composition of the Body . . By Lafayette B. Mendel and Sarah E. Judson 692 
Chemistry. — Further Study of the Atomic Weight of Lead of Radioactive 
Origin By Theodore W. Richards and Charles Wadsworih, Sd 694 
Paleontology. — On Some Anomalies in Geographic Distribution of Pacific 
Coast Mollusca By William Healey Ball 700 
Psychology. — Some Psycho-Physiological Processes as Affected by Alcohol 
By W. R. Miles 703 
Zoology, — The Influence of the Marginal Sense Organs on Metabolic Ac- 
tivity in Cassiopea Xamachana Bigelow By L. R. Cary 709 
Anthropology. — New Evidence in Regard to the Instability of Human Types 
By Franz Boas 713 
Chemistry. — A Revision of the Atomic Weight of Tin 
By Gregory Paul Baxter and Howard Warner Starkweather 718 
Physiology. — ^Further Studies of Nerve Conduction in Cassiopea .... 
By Alfred Goldshorough Mayer 721 
Paleontology. — ^The Earliest Fresh- Water Arthropods. By Charles Schuchert 726 
Zoology. — Observations upon Tropical Fishes and Inferences from their Adap- 
tive Coloration By W. H. Longley 733 
Notices of Biographical Memoirs 737 
National Research Coltstcil, Report of the Second Meeting of the Council. 738 
, Report OF Meetings of the Executive Committee ........ 738 
, Scientific Research for National Defense as Illustrated by the Prob- 
lems OF Aeronautics . . , . By Lieut. Col. George 0. Squier, U. S. A. 740 
Research Grants from the Trust Funds of the Academy 743 
Report of the Autumn Meeting 744 
Index 751 
