CONTENTS 
Page 
Mathematics. — On the ReivATion op a Continuous Curve to Its Compi^emen- 
TARY Domains in Space of Three Dimensions . . By R. L. Moore 33 
PHYSIOI.OGY. — Characteristic Effects upon Growth, Oestrus and Ovui^ation 
Induced by the Intraperitoneai, Administration of Fresh Anterior 
Hypophyseai. Substance . . By H. M. Evans and J. A . Long 38 
PhysioIvOgy. — A Study of the Effects of Cucurbita Pepo Seeds on Kidney 
Excretion ....... By B. Masurovsky 39 
Chemistry. — The Action of Diazomethane on Uracii, . . . . 
ByT.B. Johnson, A. J. Hill and F. H. Case 44 
Physics. — Absorption of Short X-Rays by Aluminium and Copper 
By W. Duane and K. C. Mazumder 45 
Astronomy. — The Effective Temperature of 16' Stars as Estimated from 
the Energy Distribution in the Complete SpEctrutm . By W. W. Coblentz 49 
Paleontology. — Additional Studies in Arrested Evolution . ... 
By R. Ruedemann 54 
Paleontology. — New Forms of Life from the Silurian . By R. Ruedemann 55 
