692 



INDEX. 



Iniiervatiou of the Heart, 301 



Insect, Stick, Structure of Alimentary 

 Canal, 402 



Insects, Disease, G39 



Insects and Siiiders, Comparative Embryo- 

 logical Studies, 40 



— Cochineal, CTlands of, 522 



— Injurious, in Ireland, 181 



— Iridescent Colours of, 175 



— Myrmecophilous, 182 



— Ocelli of, 305 

 Instruments. Exhibited. 672 



— See aho Contents 

 Interferometer, Half-shadow, as Photo- 

 meter, 236 



Internodes of Calamites, 628 ,,' 



Intestine, Putrefjing. Bacterial Flora, 342 



— Normal Human. Anaerobes, 342 

 Iodine-test, Improved, 5;!2 



Ionized Air, Influence on Bacteria, 93 

 Iris, Human, Pigmentation, 301 

 Iron Bacteria. Cultivation, 361 



— Bacterium, New. 343 



— Carbide, Solubility of, iu 7-Iroii, 371 



— Cast. Effect of Superheated Steam on, 



668 



— Cementation of, by Solid Carbon, 255 



— Fungi, 217 



— Galvanized, Structure of, 574 



— Manganese Sulpliides and Silicates in, 



371 



— Meteoric, 575 



— Nomenclature of the Microscopic Con- 



stituents. 575 



— Porosity, 254 

 Iron-carboE Alloys, 119 



Influence of Gases upon Critical 



Ranges. 370 

 Polyhedric Structure iu, 467 



— System. 118 

 Iron-chromium Alloys, 119 

 Iron-storing Hyphomycetes, 432 



Ishii, S.. lutracelluhir Stage of Gregarina 

 jjolymor'pha, 59 



Isolation of Spirochsets, 565 



IstvanfiB, G. von. Infection Experiments 

 with Peronospora, 335 



Iwanov, E.. Secretion of Accessory Repro- 

 ductive Glands in Male Mammals, 

 167 



Ixodes reduviu^:. Structure, 183 



Jacobsen, H. C, Cultivation of the Lower 



Yolvocacea, 72 

 Jacque. L., Streptohacten'um foetidum, 341 

 Jameson, H. L.. Structure and Origin of 



Pearls, 520 

 Janchen, E., Phylogeny of the Pterido- 



pliyta. 64 



Janecke, E.. Constitution of I'ortland 

 Cement Clinker, 371 



— Ternary System Copper-silver-gold, 369 

 Janet, E.. Sense-organs of Bee, 40 

 Jansen. P., Bryum languardicum. 538 

 Japha, A.. Hairs of Cetaceans, 173 

 Jasf^u fdlcata, 47 



Jeannel, R., New Cave Beetles, 43 

 Jensen, C. N., Plant Diseases, 434 

 Johnas, W., Eyes of Butterflies, 41 

 Johnson, J. C. Bacillus Megatherium, 648 

 Johnson, T., Forhesia cancellata, 199 

 Johnson, F., Influence of Tin and Lead 



on the Microstructure of Brass, 468 

 Johnston, T. H., Cestode of Black Snake, 



51 



— Melanin-producing Haematozoon, 59 



— New Cestodes, 51 



Johnstone, J., Internal Parasites and 

 Diseased Conditions in Fishes, 405 



— Life in the Sea, 174 



— Parasites of Fishes, 51 

 Jonsson, H., Algae of Iceland. 75 

 Jordan. H., How Silkworms Eat, 183 



— Nervous System of Acraspeda, 617 

 Jordan, 11. E., Heart-muscle of Humming 



Bird, 32 



— Inheritance of Left-handedness. 170 



— Mmute Structure of Epiphysis in Opos- 



sum. 301 



— Piueal Body of Sheep. 168 



— Spermatogenesis in Opossum. 391 

 Josephine, E., Peculiar Schizogony in 



Gonyaulax, 316 

 Joyeus. C Trichophyton soudanense. 550 

 Juillet. A., Structure of Bird's Lung. 395 

 Juglandaceffi. Anatomy, 320 

 Julin, C., Luminous Cells of Pyrosoma 



and Salps, 607 

 Jung. A., Heat-treatment of Hypereutec- 

 'toid Steel, 118 



Kaalaas. 1>.. Antarctic Hepaticse. 71 



— Norwegian Muscinese, 70 

 Kajanus. B., Studies in Morphology. 222 

 Kappers. C. U. A., Cell-staining in 



Weigert-Pal Preparations, 367 



— Stainiug-cells in Chromicised Material, 



367 

 Kauter. Y.. Staining Bacterial Capsules, 



464 

 Kayser, H., Staining Living and Dead 



Bacteria, 252 

 Keevil. E.. Old Microscope presented by, 



125 

 Keillin, D., Thoracic Sensory Organs in 



Larval Diptera, 307 

 Keiliu, Mile., Disease of Ascaris megalo- 



cephala, 614 



