CONTENTS, XVII 
Physiology. Pu. Konnstamm: “Kinetic derivation of van ‘r Horr’s law for the osmotic 
pressure in a dilute solution”. 729. 
— Pu. Konyxstamm: “Osmotic pressure and thermodynamic potential”. 741. 
— ArtHuur W. Gray: “Application of the Baroscope to the determination of the 
densities of gases and vapors”. 770. 
— H. ZWAARDEMAKER: “On artificial and natural nerve-stimulation and the 
quantity of energy involved”. 147, 
— L. J. J. Muskexs: ‘Degenerations in the central nervous system after removal 
of the Flocculus cerebelli”. 282. 
— W. ErtHoven: “On a new method of damping oscillatory deflections of a 
galvanometer”. 315. 
— M. C. DEKHUDZEN : “On the osmotic pressure of tle blood and urine of fishes”. 537. 
— H. ZWAARDEMAKER Cz.: “On the relative sensitiveness of the human ear for 
tones of different pitch, measured by means of organpipes”. 549, 
— S, J. pr LANGE: “On the branchings of the nerve-cells in repose and after 
fatigue”. 599. 
— W. Huisxame: “On the presence of fibringlobulin in fibrinogen solutions’. 610. 
PLACE (T.) presents a paper of Prof. J. W. LANGELAAN: “On the form of the 
Trunk-myotome”, 34, 
— presents a paper of HK. pe Vries: “Note on the Ganglion vomeronasale”. 704. 
— presents a paper of J. W. van BrssericK: “Note on the innervation of the 
Trunk-myotome”’. 708, 
PLAITPOINTCURVE (On the phenomena appearing when in a binary system the) meets 
the solubilitycurve. 177. 
PLAITPOINTS (An exact expression for the course of the spinodal curves and of their) 
for all temperatures, in the case of mixtures of normal substances. 646. 
PLANTS (On the influence of nutrition on the fluctuating variability of some). 398. 
PLATINUM WIRE (Comparison of the resistance of gold wire with that of). 300. 
POLARITY (An investigation on) and organ-formation with Caulerpa prolifera. 420. 
POLDERS (On the origin of the fresh-water in the subsoil of a few shallow). 53. 
POLYDIMENSIONAL SPACE (The formulae of GULDIN in). 487. 
POLYDIMENSIONAL SPACES (On the equation determining the angles of two). 340. 
PotassiuM (The transformation of the phenylpotassiumsulphate into p-phenolsulphonate 
of). 328. 
POTENTIAL (Osmotic pressure and thermodynamic). 741. 
PYRIDINE and methyl iodide (On the system). 468. 
QUADRATIC SURFACES (Lhe locus of the principal axes of a pencil of). 341. 
— (The equations by which the locus of the principal axes of a pencil of) is 
determined. 532. 
— (The equation of order nine representing the locus of the principal axes of a 
pencil of). 721. 
RADIUS of curvature (The relation between the) of a twisted curve in a point P o 
the curve and the radius of curvature in P of the section of its developable 
with its osculating plane in point P. 277. 
Proceedings Royal Acad. Amsterdam. Vol. VII. 54 
