CO Nore NTs XVII 
MUSCULUS OBLIQUUS SUPERIOR (On the function of the) of the eve. 1364. 
MUSCULUS SPHINCTER PUPILLAE (On the structure and the innervation of the) and the 
musculus ciliaris of the bird’s eye. 2. 
MUTUAL EFFECT (On the) of genotypic factors. 1056. 
MIJSBERG (W. A.). On the structure of the muscular abdominal wall of primates. 19. 
NERVUS SYMPATHICUS (Concerning the) of domestic animals. 1191. 
NICAISE (cu.) and J. E. Verscuarrett. The viscosity of liquefied gases, IV. 1659, 
NICKEL (The magnetic susceptibility and the number of magnetons of) in solutions 
of nickelsalts. 246. 
NILRATAN DHAR. Properties of elements and the periodic system. 384, 
— On catalysis. Part I. 1084, Part II. 1097. 
— and Devenpra Nara Buarracuaryya. Supersaturation and release of super- 
saturation. 369. 
— Temperature-coeflicient cf conductivity in alcoholic solutions, and extension of 
Koutravscu’s hypothesis to alcoholic solutions. 373. 
— Velocity of ions at 0° C. 375. 
NITRODERIVATIVES of alkylbenzidines. 757. 
NuMBERs (Characteristic) for nets of algebraic surfaces. 1270. 
ONNES (H. KAMERLINGH) presents a paper of Dr. C. A. CROMMELIN and Miss 
E. L Smip: “Comparison of a pressure-balance of Schäfter and Budenberg 
with the open standardgauge of the Leiden Physical Laboratory between 20 and 
100 atmospheres, as a contribution to the theory of the pressure-balance”. 472. 
— Methods and apparatus used in the Cryogenic Laboratory. XVI. 507. 
— presents a paper of Dr. W. H. Kerrsom: “The second virial coefficient for 
rigid spherical molecules, whose mutual attraction is equivalent to that of a 
quadruplet placed at their centre”. 636, 
— presents a paper of Mr. G. Horsr: “On the measurement of very low tempera- 
tures” XXVI. 829. 
— presents a paper of Dr. J. E. Verscuarrett: “The viscosity of liquefied gases”. 
I. 840. II. 860. III. 1038. IV. 1659. 
— presents a paper of Dr. W. H. Keesom: ‘“Two theorems concerning the second 
virial coefficient for rigid spherical molecules, which besides collisiona! forces 
only exert CouLOMB-forces and for which the total charge of the active agent is 
zero’. 868. 
— presents a paper of Mr. G, Housr and L. HamBorcer: “Investigation of the 
equilibrium liquid — vapour of the system argon — nitrogen”. 872. 
— presents a paper of Dr. W. H. Kessom and Miss C. van Leeuwen: “On the 
second virial coefticient for rigid spherical molecules carrying quadruplets.” 1568. 
— C. A. CROMMELIN and Miss E. I. Sip. Ísothermals of di-atomie substances 
and their binary mixtures. XVIII. 465. 
— and C. A. CROMMELIN. Isothermals of monatomie gases and of their binary 
mixtures. XVII. 515. 
— C. Dorsman and G. Horst. Isothermals of diatomic substances and their 
binary mixtures. XV. 409. XVII. 458. 
110 
Proceedings Royal Acad. Amsterdam. Vol. XVIII. 
