XVI CONTENTS. 
MYXINE GLUTINOSA (Further contributions to our knowledge of the brain of). 2. 
NERVE-DISTRIBUTION (On the) in the trunk-dermatoma. 632. 
nerves (On the termination of the efferent) in plain muscle cells and its bearing on 
the sympathetic (accessory) innervation of the striated muscle-fibre. 982. 
nets (Characteristic numbers for) of aigebraic curves. 935, 
NITRATION (The) of the mixed dihalogen benzenes. 846. 
NITROGEN (Vapour pressures of oxygen and critical point of oxygen and). 950. 
— (The rectilinear diameter of). 953. 
— (Vapour pressures of) between the critical point and the boiling point. 959. 
NÖTHER’s theorem (On). 1245. 
OCCLUSION (A case of) of the arteria cerebelli posterior inferior. 914. 
ONNES (H. KAMERLINGH). Further experiments with liquid helium. J. 12. 
278. K. 283. L. 514. 
— presents a paper of Dr. W. H, Kegsom: “The chemical constant and the appli- 
cation of the quantum-theory by the method of the natural vibrations to the 
equation of state of an ideal monatomic gas’. 20. 
— presents a paper of Dr. W. H. Krersom: “On the matter in which the suscep- 
tibility of paramagnetic substances deperds on the density”. 110, 
— presents a paper of Dr. C. A. Crommetin: “Isothermals of monatomic sub- 
stances and their binary mixtures”. XVI. 275. 
— presents a paper of Dr. C. A. CROMMELIN: “Tsothermals of di-atomic substances 
and their binary mixtures”, XVI. 959. 
— C. Dorsman and G. Horst. Isothermals of di-atomic substances and their binary 
mixtures. XV. Vapour pressures of oxygen and critical point of oxygen and 
nitrogen, 950. 
— and P. Exrenrest. Simplified deduction of the formula from the theory of 
combinations which PLANOK uses as the basis of his radiation theory. 870. 
— and K. Hor. Further experiments with liquid helium. N. 520. 
— and G. Hotst. The measurement of very low temperatures. XXIV. The hydrogen 
and helium thermometers of constant volume down to the freezing point of 
hydrogen compared with each other and with the platinum-resistance thermo- 
meter. 501. 
— On the electrical resistance of pure metals. IX. 508. 
— Further experiments with liquid helium. M. 760. 
— and W. H. Krrsom. The specific heat at low temperatures. I. Measurements 
on the specific heat of lead between 14° and 80° k. and of copper between 
15° and 22° K, 894. 
— and H. A. Kuypers. Measurements on the capillarity of liquid hydrogen. 528. 
— E. Marutas and C. A. CROMMELIN. The rectilinear diameter of nitrogen. 953. 
OPALESCENCR (Accidental deviations of density and) at the critical point of a single 
substance. 793. 
ORNSTEIN (L. 8.). On the theory of the stringgalvanometer of KINTHOVEN. 784. 
— and F. ZeRNIKE. Accidental deviations of density and opalescence at the critical 
point of a single substance. 798. 
