XXXVI GON TEN GDS 
ZEEMAN (P.) presents a paper of Prof. A. Smits, L. v. p. LANDE and P. 
BouMAN: “The existence of hydrates in aqueous solutions.” 969. 
— presents a paper of Prof. A. Smits and R. Pu. Beck: “The electro- 
motive behaviour of magnesium.” 1. 975. 
— presents a paper of Prof. A. Smits and J.'SPUYMAN: “A thermo- 
electrical differential method for the determination of transition points 
of metals at comparatively low temperatures.” 977. 
— presents a paper of Mrs J. M. Bivoer and A. KARSSEN: “Research 
by means of Röntgen-rays on the structure of the crystals of lithium 
and some of its compounds with light elements.” [. 1365. 
—, W. pe Groot, Miss A. SNETHLAGE and G. C. DrBBeTz. The propagation 
of light in moving transparent, solid substances. III]. Measurements 
on the Fizeau-effect in flint glass. 1402. 
ZEYDNER (J.) and W. STORM VAN LEEUWEN. On adsorption of poisons 
by constituents of the animal body. II. The adsorbent power of rabbit's 
serum for atropin. 486. 
ZOLLIKOFER (Miss CLARA). Ueber die tropistische Wirkung von rotem 
Licht auf Dunkelpflanzen von Avena sativa. 577. 
Zoology. G. Sriasny: “Ueber westindische Tornarien nebst einer Ueber- 
sicht iiber die bisher bekannten tentaculaten Tornarien.” 2. 
— H. O. ANTOoNius: “Bemerkungen über einige Säugetierschädel von 
Sardinien.” 37. 
— S. A. ARENDSEN HEIN: “Technical experiences in the breeding of 
tenebrio molitor.” 193. 
— J. F. van BEMMELEN: “The colour-markings of the body of Lepidop- 
tera, compared to those of their larvae and pupae, and to those of 
their wings.” 363. 
— J. E. W. Inve and G. J. van Oorptr: “On the larval development of 
oxyuris equi (Schrank). 603. 
— J. VERSLUYS and R. DEMOLL: “Die Verwandtschaft der Merostomata 
mit den Arachnida und den anderen Abteilungen der Arthropoda.” 739. 
— J. F. vaN BEMMELEN: “The wing-design of mimetic butterflies.” 877. 
ZWAARDEMAKER (H.). On the adsorption of odorous molecules to the 
surface of solids. 654. 
— and H. ZEEHUISEN. On Spray-electricity of solutions of electrolytes. 658. 
— On sensibilization to radioactivity by the action of hormones. 838. 
— presents a paper of Mr. M. W. WOERDEMAN: “An inquiry into the 
distribution of potassium-compounds in the electric organ of the Thorn- 
back (Raja clavata)” 842. 
— On the influence of the season on laboratory animals. 1192. 
— presents a paper of Mr. K. Komuro: “On smelling during complete 
exhaustion (resp. adaptation) for a given odour.” 1442. 
