CONTENTS. 
ABEL’s functions g,(x) (Expansion of a function in series of). 1245. 
ABSORPTION LINES (A method for obtaining narrow) of metallic vapours for investi- 
gations in strong magnetic fields. 1129. 
AIReTEMPERATURE (On the interdiurnal change of the). 1037. 
ALLOTROPY (Extansion of the theory of). Monotropy and enantiotropy for liquids. 36). 
— (Application to the theory of) to the system Sulphur. II. 369. 
— (The dynamic) of sulphur. 5th communication. 1228. 
AMMONIUM-Sulphocyanate-thioureum-—water (On the svstem). 683. 
ANATOMICAL STRUCTURES (The Linnean method of describing). 620. 
Anatomy. E. W. RoserBrre: “Contributions to the knowledge of the development of 
the vertebral column of man”. 80. 
— G. P. Frets: “On the external nose of primates”. 129. 
— G. P. Frets: “On the Jacosson’s organ of primates”. 134. 
— C. T. van VALKENBURG: “On the occurrence of a monkey-slit in man”. 1040. 
— J. Boeke: “Nerve-regeneration after the joining of a motor nerve to a receptive 
nerve’. 1281. 
ANGIOSPERMS (Petrefactions of the earliest European). 620. 
ANTAGONISM (The) between nitrates and calcium-salts in milkeurdling by rennet. 434, 
ANTIMONY (Series in the spectra of Tin and). 31, 
ARGON (The empirical reduced equation of state for). 273. 
— (Calculation of some thermal quantities for). 952. 
— (The rectilinear diameter for). 667. 960. 
ASPERGILLUS NIGER (Mutation of Penicillium glaucum and) under action of known 
factors, 124. 
— (Action of hydrogenious boric acid, copper, manganese, zinc and rubidium on 
the metabolism of). 753. 
— (Metabolism of the nitrogen in). 1047. 
— (Metabolism of the fosfor in), 1058. 
— (Potassium sulfur and magnesium in the metabolism of), 1349. 
, 
Astronomy. H. J. Zwiers: “Researches on the orbit of the periodic comet Hormes 
and on the perturbations of its elliptic motion”. V. 192, 
— N. Scaetrema: “Determination of the geographical latitude and longitude ot 
Mecca and Jidda, executed in 1910—11”. Part [. 527. Part IL. 540. Part IIT. 556. - 
~- W. pr Srrrer: “On absorption of gravitation and the moon’s longitude”. Part 1. 
808. Part 2. 824. 
96 
Proceedings Royal Acad. Amsterdam. Vol. XV. 
