GCONTEN TS XI 
DissociATION (On the critical quantities of mercury in connection with the 
increase of the molecular attraction on) of the double molecules. I. 
267. 1b; 282. 
DISSOCIATION-EQUILIBRIUM (Deduction of the) from the theory of quanta 
and a calculation of the chemical constant based on this. 162. 
DOUBLE MOLECULES (On the critical quantities of mercury in connection 
with the increase of the molecular attraction on dissociation of the). 
L267; 11. 282, 
Dusois (Eug.). The proto-Australian fossil man of Wadjak, Java. 1013. 
— On the significance of the large cranial capacity of homo neander- 
talensis. 1271. 
— On the motion of ground water in frost and thawing weather. 1321. 
DUNKELFLANZEN (Ueber die tropistische Wirkung von rotem Licht auf) 
von Avena sativa. 577. 
EasT-BORNEO (On the occurrence of Halimeda in old-miocene coastreefs 
of). 506. 
ECHELON (Measurements on the intensity of spectrum lines by the aid of 
the). 790. 
EHRENFEST (P.) and V. TrraL. Deduction of the dissociation-equilibrium 
from the theory of quanta and a calculation of the chemical constant 
based on this. 162. 
— presents a paper of Prof. J. M. Burgers: “On the resistance of 
fluids and vortex motion”. 774. 
— presents a paper of Dr. G. KrutkKow: “On the determination of 
quanta-conditions by means of adiabatic invariants”. 826. 
— Note on the paramagnetism of solids. 989. 
— presents a paper of Prof. J. M. Burgers: “Stationary streaming caused 
by a body in a fluid with friction”. 1082. 
— presents a paper of Dr. P. S. Epstein: “On the principles of the 
theory of quanta”. 1193. 
— presents a paper of Mr. H. Zanstra: “Motion relativated by means 
of a hypothesis of A. Förrpr”. 1412. 
EINHEITSWURZELN (Bestimmung der Klassenzahl aller Unterkörper des 
Kreiskörpers der mm-ten). (Verbesserung). 1399. 
EINSTEIN’S THEORY of gravitation (The geodesic precession: a conse- 
quence of). 729. 
— (On the application of) to a stationary field of gravitation. 1052. 
EINTHOVEN (W.) presents a paper of Dr. S. pe Boer: “On the artifi- 
cial extra-pause of the ventricle of the frog’s heart’. 542. 
