CON TEN TS. XIX 
SACCUS vascuLosus (The) of fishes a receptive nervous organ and not a gland. 187. 
SANDE BAKHUYZEN (E. F. VAN DE). v. BAKHUYZEN (EK. F, vaN DE SANDE). 
SARCINA VENTRICULI (An experiment with). 1237. 
SCATTERING or LIGHT (Note on the interpretation of spectroheliograph results and of 
line-shifts and on anomalous). 2. 
— (On the) by molecules. 92. 
— (Selective absorption and) in extensive masses of gas. 881. 
SCHEFFER (F. A. C.). On the appearance of a maximum and minimum pressure 
with heterogeneous equilibria at a constant temperature. 31. 
— On the continuous connection between the three-phase lines which indicate the 
equilibria between the two components in the solid condition with liquid and 
vapour respectively, in a binary system. 158. 
— On the determination of three phase pressures in the system hydrogen sulphide 
+ water. 829. 
SCHEFFER (fF, EB. C.) and Pu. KounsramM. Thermodynamic potential and velocities 
of reaction. 789. 
SCHMUTZER (J.). On the orientation of microscopic crystal-sections. 720. 
— On the orientation of crystal sections. 1031. 
— On the determination of the optic axial angle from the extinction angle with 
regard to the trace of a discretional plane in a discretional crystal-section. 1035. 
— On the determination of an unknown plane from its traces in two orientated 
erystal-sections. 1045, 
SCHOUTE (P. H.). On the relation between the vertices of a definite sixdimensional 
polytope and the lines of a cubic surface. 375. 
— presents a paper of Dr. W. van ER Woupe: “Double points of a c‚ of genus 
0 or 1”. 629. 
— presents a paper of Mr. Lucten GODEAUX: “On a system of conics in space”. 762. 
— and Mrs. A. Boore Storr. Reciprocity in connexion with semiregular polytopes 
and nets. 384. 
SCHOUTEN (8. L.). Pure cultures from a single cell, isolated under the micros- 
cope. 840. 
SCHREINEMAKERS (Fr. A. H.). Equilibria in the system: Water-sodium sulphate- 
sodium chleride-capper sulphate-cupric chloride. 1163. 
SCHWEIZER (A) and J. BoksEKEN. The velocity of the ring opening in connection 
with the composition of the unsaturated ring systems. 534, 
SCLEROMETRY (Physiological). 312. 
SEGMENTAL INNERVATION (Experimental researches on the) of the skin in dogs. 6th 
Communication. 270. 7th Communication. 431. 
SEISMOGRAPH at Batavia (On the semi-diurnal lunar tide as deduced from records 
of the astatic). 17. 
— (On tidal forces as determined by means of Wrrcnert’s astatic). 1231. 
SELECTION OF Foop (The cause determining the) in some herbivorous insects. 536. 
SELF-INDUCTANCE (A new accurate formula for the computation of the) of a long coil 
wound with any number of layers. 917. 
