X C1OENET TEEN] DIS. 
Geophysics. P. H. GarrÉ: “On the relation between departures from the normal in the 
strength of the trade-winds of the Atlantic Ocean and those in the waterlevel 
and temperature in the Northern European seas”, 1147. 
GEOTROPIC REACTIONS (On the mutual influence of phototropic and) in plants. 1278. 
GERMINATION (Energy transformations during the) of wheat-grains. 62. 
GRANITIC AREA (On the) of Rokan (Middle-Sumatra) and on contact-phenomena in 
the surrounding schists. 1190. 
GRAVITATION (On the field of a single centre in ErnstTeIn’s theory of). 998. 
Gravity (The mean radius of the earth, the intensity of) and the moon’s parallax. 1291. 
GuMMosis in the fruit (of the Almond and the Peachalmond as a process of normal 
life. 810. 
HAGA (H.) presents a paper of Miss H. J. Former: “A new electrometer, especi- 
ally arranged for radio-active investigations”. 659. 
— presents a paper of Prof. Ff. M. Jarcer: “On a new phenomenon accompanying 
the diffraction of Röntgenrays in birefringent crystals”. 1204. 
— and F. M, JAEGER. On the real symmetry of cordierite and apophyllite. 430. 
HAMBURGER (i, J.) presents a paper of Dr. E, Laquevr: ‘On the survival of 
isolated mammalian organs ‘with automatic function”. 270. 
— presents a paper of Prof. A. A. HYMANs van DEN BERGH and J. J. DE La 
Fontatne SCHLUITER: “The identification of traces of bilirubin in albuminous 
fluids”. 807. 
— Phagocytes and respiratory centre, 1325. 
HEART-RHYTHM (On the). 1075. II. 1185. 
HELDERMAN (W. D.) and Ernst Conen. The allotropy of cadmium. LL, 54. III. 
122. IV. 638. V. 1050. 
— The allotropy of zinc. IL. 59. 
— The allotropy of copper. IL. 60. 
— The allotropy of lead. 1. 822. Note. 1055. 
— The metastability of the metals in consequence of allotropy and its significance 
for Chemistry, Physics and Technics. LV. 1238. 
HELIUM (Further experiments with liquid), [. 12. 278. K. 283. L. 514. N. 520. M. 769. 
HERMITE (On the functions of). 1st part. 139. 
— and aBEL’s polynomia (On). 192. 
HoF (Kk) and H. KaMERLINGH Onnes. Further experiments with liquid helium. N. 520. 
HOLLEMAN (A. F.) presents a paper of Dr. L. K. Worrr and Dr. E. H, Bicaner: 
“On the behaviour of gels towards liquids and the vapours thereof. II. 92. 
— presents a paper of Prof. J. BöESEKEN : “On catalyse”. 546. 
— The nitration of the mixed dihalogen benzenes. 846. 
— presents a paper of Prof. J. BöesEKEN and W. D. Conen: “The reduction of 
aromatic ketones. III. Contribution to the knowledge of the photochemical 
phenomena”. 849. 
— The replacement of substituents in benzene derivatives. 1027. 
— presents a paper of Dr. C, H. Sturrer: “The influence of the hydration and 
