GlOON TEN E's XIX 
Recovery of function (On Polonium Radiation and). 383. 
REMAINDER (The) in the Binomial-series. 291. 
RePrites (Rhythmical Skin-Srowth and Skin-design in Amphibians and). 954. 
REYE congruences (On an involution among the rays of space, which is 
determined by two). 482. 
RHINENCEPHALON (On Cyclopia with conservation of the). 283. 
Rincs of connecting-electrons (On the) in BRAGG’s model of the diamond- 
crystal. 536. 
RoeEts (F.) and L. Morr. On the Index Loquelae. 98. 
ROMBURGH (P. VAN) presents a paper of Dr. A. W. K. pe Jona: 
“The trimorphism of allocinnamic acid.” 497. 
— presents a paper of Dr. A. W. K. DE Jona: “The Truxillic Acids.” 509. 
— presents a paper of Mr. M. J. Smir: “On some nitro-derivatives of 
dimethylaniline.” 523. 
— The unsaturated alcohol of the essential oil of freshly fermented 
tea-leaves. 758. 
R ON TGE N-PATTERNS (On the Symmetry of the) Obtained by means of Systems 
Composed of Crystalline Lamellae, and on the Structure of Pseudo- 
Symmetrical Crystals. 815. 
Rott (Sept-Monts) (Quelques insectes de |’Aquitainen de). 727. 891. 
RuTGeErRs (K. W.). Complexes of Plane Cubics with Four Base Points. 909. 
RuTTEN (L.). On Foraminifera-bearing Rocks from the Basin of the 
Lorentz River (Southwest Dutch New-Guinea). 606. 
SANDE BAKHUYZEN (H. L. VAN DE) v. BAKHUYZEN (H. L. VAN 
DE SANDE). 
SATELLITES (Theory of Jupiter’s). II]. The variations. 236. 
Saturnia (The interrelations of the species belonging to the genus), judged 
by the colour-pattern of their wings. 447. 
SCHAAKE (G.). On an involution among the rays of space. 488. 
SCHOENFLIES (A). Zur Axiomatik der Mengenlehre. 784. 
ScHOUTEN (J. A.). On expansions in series of covariant and contravariant 
quantities of higher degree under the linear homogeneous group. 251. 
— On expansions in series of algebraic forms with different sets ot 
variables of different degree. 268. 
— and D. J. Strutk. On n-tuple orthogonal systems of n—1-dimen- 
sional manifolds in a general manifold of n dimensions. 594. II 684. 
SCHREINEMAKERS (F. A. H.). In-, mono- and divariant equilibria. 
XIX. 318. XX. 542. 
— presents a paper of Dr. P. H. J. Horenen S. J.: “P 
ressure- and tempe- 
rature-coefficients, volume- and heat-effects in bivariant systems.” 526. 
— presents a paper of Dr. P. H. J. Hoenen S. J.: “Extension of the law 
of Braun.” 531, 
