XVIII CAC NM TeE NURS 
KLOEDENELLA (The identity of the genera Poloniella and). 993. 
Kruyver (J. GC). On analytic functions defined by certain LAMBERT 
series. 1226. 
KoLKMEYER (N. H.). Remark on the possible existence of binding rings 
in diamond. 120. 
— J. M. Bijvoet and A. KARSSEN. Investigation by means of x-rays of 
the crystalstructure of sodium-chlorate and sodium-bromate. 644. 
— Space-time symmetry. I. General considerations. 1419. Il. Discussion 
of a special case. The tetrahedrical atom-models of LANpÉ. 1428. IIL. 
Remarks on the deduction of groups of space-time symmetry- 
operations. 1434. 
Komuro (K.). On smelling during complete exhaustion (resp. adaptation) 
for a given odour. 1442. 
Koster Dz. (W.). Onthe theory of hysteresis according to VOLTERRA. 663. 
KRAMERS (H. A.). On the application of EINSTEIN’s theory of gravitation 
to a Stationary field of gravitation. 1052. 
KREISKORPERS (Bestimmung der Klassenzahl aller Unterkörper des) der m-ten 
Einheitswurzeln. (Verbesserung). 1399. 
KrutKkow (G.). On the determination of quanta-conditions by means of 
adiabatic invariants. 826. 
Kryo-Biology. P. GirBERT Raum: “Einwirkung sehr niederer Temperaturen 
auf die Moosfauna.” 235. . 
LAAR (J. J. van). On the critical quantities of mercury in connection 
with the increase of the molecular attraction on dissociation of the 
double molecules. I. 267. II. 282. 
— On the equation of state for arbitrary temperatures and volumes. 
Analogy with PLANCK's formula. II. 887. 
LABORATORY ANIMALS (On the influence of the season on). 1192. 
LAMBERT SERIES (On analytic function defined by certain). 1226. 
LAMELLAE (Some remarks concerning the Röntgenograms obtained by means 
of mica-piles composed by crossed). 676. ; 
LAMES VASCULAIRES (OMBREDANNE’S theory of the) and the anatomy of the 
canalis cruralis. 1209. 
LAND- AND FRESHWATER FAUNA (On the relation between the pleistocene 
glacial period and the origin of the Sunda sea (Java- and South China- 
sea), and its influence on the distribution of coralreefs and on the). 395. 
LANDE (The tetrahedrical atom-models of). 1428. 
LANDE (L. v. D.), P. Bouman and A. Smits. The existence of hydrates 
in aqueous solutions. 969. 
LANDSTEINER (K.). On the serological specificity of haemoglobin in 
different species of animals. 1161. 
