CONTENTS 
Page 
Physics. — An ExampIvE of Torsionai. Viscous Retrogression By C. Bams 1 
Chemistry. — The Chemical Isolation of Vitamines 
By C. N. Myers and C. Voegtlin 3 
Astronomy. — A New Method of Determining the Solar Constant of Radia- 
tion By C. G. Abbot 4 
Physiology. — The Basal Metabolism of Boys from 1 to 13 Years of Age. 
By Francis G. Benedict 7 
Chemistry. — The Nature and Function of the Antineuritic Vitamine. 
By R. Adams Butcher 10 
Palaeontology. — Reconstruction of the Skeleton of the Sauropod Dinosaur 
Camarasaurus QovVi (Morosaurus Marsh) .. By H. F. Osborn and C. C. Mock 15 
Restoration of Camarasaurus and Life Model By W. K. Gregory 16 
Plato's Atlantis in Palaeogeography By W. D. Matthew 17 
Chemistry. — The Ionization and Activity of Largely Ionized Substances. 
By A. A. Noyes and D. A. Maclnnes 18 
Mathematics. — The Commutativity of One-Parameter Transformations in 
Real Variables By A. C. Lunn 24 
Physics. — The IntensitieJs of X-Rays of the L Series* II. The Critical 
Potentials of the Platinum Lines By D. L. Webster 26 
Pathology. — The Effect of Physical Agents on the Resistance of Mice to 
Cancer ByJ.B. Murphy 35 
Chemistry. — The Protein Requirement of Maintenance in Man 
By H. C. Sherman 38 
Zoology. — The Transplanting of Sea Anemones by Hermit Crabs 
By R. P. Cowles 40 
Physics. — Spectra of Explosions By J. A. Anderson 42 
Report of the Autumn Meeting : 43 
