INDEX. 
Holm, T., Morphology and Anatomy of 
Obolaria, 98 
— Pyrola aphylla , 443 
Holmes, S. J., Cell-Lineage of Planorbis, 
GS 
Holmgren, E., Peripheral Nervous System, 
422 
Holothuroidca of the ‘ Travail leur ’ and 
the ‘ Talisman,' 545 
Holothuroids, Chilian, 545 
Holzberg, F., Gonads of some Species of 
Taenia, 544 
Homochromism, False, 534 
Homogeneous-Immersion Objective, New 
Hartnaek, 351 
Hooping Cough, Bacterium found in, 227 
Hormiscia and Urospora, 459 
Hormosperma, 330 
Hornet’s Venom antagonistic to Viper’s, 
188 
Horrell, E. C., Sterigmates and Spores of 
Agciricus campestris , 224 
Hot Springs, Algae (Protophyta) of, 114 
Houssay, F., Osmotic Phenomena in Mi- 
tosis, 288 
Huifeldt-Kaas, Hartvig, Plankton of Nor- 
wegian Lakes, 618 
Hunter, W. K., iEtiology of Beri-Beri, 
468 
Huot, — Suprarenal Capsules in Lopho- 
branck Fishes, 186 
Hutton, F. W., Problem of Utility, 60 
Huyghens Eye-piece, Improved, 676 
Hyacinth, Bacterial Disease of, 663 
Hybrid between Lychnis diurna and L. 
vespertina, 445 
— Echinoid Larvae, 515 
— Fern, 220 
— Narcissi, Embryo-sac, 323 
Hybridisation of Willows, 445 
— Problems of, 58 
— Recent Experiments, 534 
Hybridising, Experiments, 415 
— Species of Tephrosia, 419 
Hybridism, 647 
Hydathodes, 95, 554 
Hydatinci senta , Determination of Sex, 
306 
Hydra, Experiments on, 311 
— Movements of, 431 
Hydrachnida of Germany, 75, 194, 422 
Hydroids, Irish, 201 
— New, 312 
Hydromedusae, Arctic, 633 
Hygroscopic Function of Stomates, 216 
Hypertrophied Bud-Scales in Piuus, 613 
Ilypervaccinated Animals, Destructon of 
Microbes in, 339 
Hypochorda, Organ in Embryo Reptiles 
like a, 578 
Hypophysis and Epiphysis in Frog, 286 
— an l Infundibular Organ, Significance 
of, 53 
Hypophysis Cerebri, Functions, 409 
— in Health and Disease, 63 
— of Mammals, 286 
I. 
Ihering, H. von, New Colonies and Fuugus- 
Gardens in Ants, 299 
Ihle, J. E. W., Phylogeny of Pantopoda, 
625 
Ijima, J., Classification of Rossellidae, 547 
Ikeda, S., Breeding Habit of a Japanese 
Tree-Frog, 57 
Ikeno, S., Ceutrosom e-like Body in the 
Pollen-tube of Cycadeae, 444 
Ilex and Cakile, Morphology, 98 
Illuminating Apparatus. See Contents, 
xxxii 
Images and Vision, Microscopic, 592 
Imbedding and Staining Lichens, 601 
— Objects. See Contents, xxxiv 
Imliof, O. E., Lacustrine Fauna, 295 
rmmersion-Oil Bottle, 238 
Impregnation and Development of the Oo- 
sphere in Peronosporeae, 455 
— of the Ova of Hydatina senta, 199 
Incubation of the Skate-Leech, 426 
Indian Corn, Embryology, 645 
Indirect Division, 407 
Indol, Production by Bacteria, 337 
— Test for the Production of, by Bacteria, 
380 
Indusiella, a new Genus of Musci, 653 
Infundibular Organ and Hypophysis, Sig- 
nificance, 53 
Infusorian Genus, New, 548 
Ingcnitzsky, I., Psyche Helix, 193 
Injecting Objects. See Contents, xxxiv 
Injection Mass, 245 
Injured Nerves, Growth of, 288 
Insecta. See Contents, xiii 
Insect Virus, 534 
Insects and Rats, Relation of, to the Spread 
of Plague, 117 
— and Yeasts, 112 
— How Flowers attract, 191, 556 
Instinct and Heredity, 414 
— and Intelligence, 291 
Instruments, Accessories, &c. See Con- 
tents, xxxii 
Integumentary Skeleton of Holothurians, 
Growth-Changes in, 311 
Intelligence and Instinct, 291 
— of Fishes, 411 
Intercellular Bridges and Cuticle, 408 
between Smooth Muscle-Cells, Ap- 
pearance of, 63 
in Muscle, 183 
— Connections in Epithelium, 521 
Intestinal Canal, Staining by Van Gieson’s 
Method, 686 
Intra-Vitam Staining, 133 
