664 



INDEX. 



Horse's Hoof, Minute Structure of, 280 



Horyold, D. A. Gr., Study of Spatangids, 

 388 



Howe, H. M., Structure of Hypo-eutectoid 

 Steel, 110 



Howe, R. H., North American Usneacese, 

 195 



Hryniewiecki, B., Anatomy of Stomata of 

 Dicotyledons, 171 



Hudson. O. F., Microstructure of German 

 Silver, 539 



Hue, Lichens blasteniospores, 93 



Hufnagel, A., Enigmatical Peri-oesopha- 

 geal Organ in Tineidse, 384 



Humfrey, J. C. W., Influence of Inter- 

 crystalline Cohesion upon the Me- 

 chanical Properties of Metals, 437 



— Intercrystalline Fracture of Iron and 



Steel, 221 



— Tenacity, Deformation, and Fracture 



of Soft Steel at High Temperatures, 

 541 



Huntington, A. K., Permanence of Struc- 

 ture in Copper-zinc Alloy, 540 



Husnotiella, 300 



Hutton, E. A., Relation of Aperture to 

 Power, 209 



in the Microscope Objective, 



208 



Hyalocephalus trilohus, 291 



Hybridization of Echinus Species, 164 



Hybrids, Echinoid, 1G5 



Hydatina, Constancy of Elements in, 69 



Hydrocoele, Embryonic, 571 



in Fishes, 151 



Hydrodictyon, 182 



Hvdroid, Athecate, with Leptomedusoid, 

 586 



— New British Commensal, 586 

 HymenogastracesB of Tasmania, 190 

 Hymenoniycete.s, Contribution to the 



Knowledge of, 609 



— Cytology of, 408 



— of Varena, 310 

 HymenophyllacesB, 177 

 liyophila styriaca, 598 

 Hypereutectoid Tool Steels, Quenching of, 



639 



Hyperiidea, ' Discovery,' 581 



Hypertonic Solutions, Eifect of, on Fer- 

 tilized Ova, 165 



Hyphomycetes, New Genus, 188 



Idotheid, Tubicolous. 386 



Illumination, Dark-ground, 210, 325 



— Oblique, in Petrographic Microscope 



Work, 211 

 Illuminator, Dark-ground, Beck's, 422 

 Imai, N., Organism of Whooping-cough, 



413 



Implantation of Human Ovum. 57 



Incubator, Field, 214 



Indian-ink Method, Burri's Modification 



of, 107 

 Infundibular Organ of Araphioxus, 576 

 Infusorians, Irritability of, 72 



— Selective Nutrition in, 389 

 Ingestion of Bacteria by Animal Parasites, 



95 

 Inheritance, Bi-paiental, in Paramoecium, 

 390 



— Material Basis of, dG 



— Nucleus and Cytoplasm in. 56 

 Injection Mass, Berlin-blue, 329 

 Innervation of Dentine, 381 



Insect, Dipterous, Parthenogenesis in, 385 

 Insect-destroying Fungi, 514 

 Insectoscope, The, 627 

 Insects, Bacterial Infections of, 520 



— Corpora allata of, 157 



— Developmelit of, 579 



— Hgemolymph of, 3S4 



— Intestine of. Absorption and Secretion 



in, 158 



— Rodlike Central Corpuscles in, 157 

 Integumentary Sense-organs of Dytiscut 



marginalia, 64 

 Interstitial Cells, So-called, of Chicken 

 Testis, 277 



— Epithelium, Granular Cells of, 154 



— Gland of Ovary, Corpus luteum and, 



57 



Intestinal Cells of A scar is megalocephala^ 

 291 



Intestine of Insects, Absorption and Secre- 

 tion in, 158 



Intracellular Inclusions, Demonstrating 

 in Articular Rheumatism, 431 



Invertebrata. See Contents 



Invertebrates, Cartilaginous Tissue in, 155 



Involucres, Antheridial and Archegonial, 

 in Liverworts, Homology of, 79 



Iron, Cast, Influence of the Metalloids on, 

 543 



— Corrodibility of, Influence of C'arbon 



on, 222 



— Intercrystalline Fracture of, 221 



— Objects, Ancient, 435 



— Roman, 221 



— Sulphide, Enclosures in, 221 

 Iron-bacterium, New, 414 



Iron-carl "ide, Influence of Sulphur on the 



Stability of, 543 

 Iron-carbon Alloys, 218 

 Iron-iron-sulphidt! System, 218 

 Irritability of Infusorians, 72 

 Ishiwara, T., New ^lethod of Staining the 



Tubercle Bacillus, 217 

 Isoctes, Stock of, 78 

 Isopods, "• Porcupine," 483 

 Issel, R., Tubicolous Iilotheid, 386 

 Iwaji Ikeda, D., New Fresh-water Nemer- 



tine and its Development, 585 



