Sl'L' 



INDEX. 



Illuminating and other Apparatus. See 

 Contents, xxxiii 



— Apparatus for the Microscope, 425, 527 

 Illumination, Dark-Ground, and Ultra- 

 microscopy, 378 



Leitz for Examination of Living 



Bacteria, 502 

 New Method of Showing Bacteria, 



131 



— Microscopic, Electric Mercury Vapour 



Lamp, 95 

 Illuminator for High-Power Dark-Ground 

 Illumination, Beck's, 238 



— Vertical, Watson and Sons, 94 

 Imbedding, Celloidin, 657 



— Combined, in Celloidin and Paraffin, 



775 



— Objects. See Contents, xxxvi 



— Use of Sulphuric Ether, 113 

 Immersion Oil, Paraffinum Liquidum 



(B.P.) as, 771 



Imms, A. D., Structure and Behaviour of 

 Larva of Anopheles maculipennis, 174 



Immunity, Artificial, Protective and Cura- 

 tive, 637 



Impact-Testing on Notched Test-Pieces, 

 261 



Incertre Sedis. See Contents, xvii 



Incubation, Buccal, in Arms fissus, 32 



— in Doves, 161 



Index Filicum, Christeusen's, 194 



Index-Ocular, Reichert's, C.4(J 



Indol, Detection in Microbial Cultures, 

 774 



Inflorescences, Androgynous, in Dumor- 

 tiera, 201 



Infundibular Gland and Choroid Plexus, 

 564 



Infusoria, Physiology of Pulsating Vacu- 

 ole, 56 



Infusorian, Hypotrichous, New, 56 



Ingham, W., Notes on the Harpidia, 340 



Inheritance in Canaries, 699 



— of Manner of Clasping the Hands, 564 



— of Pigmentation in Mice, 23 

 Injecting Objects. See Contents, xxxvi 

 Injection, New Cold Method, 658 

 Insect Larvae, Freezing, 451 



— Life, Nature's Protection, 397 

 Insecta. See Contents, xiii 



Insects, Food. On the Microscope as an 

 Aid to the Study of Biology in 

 Entomology with Particular Refer- 

 ence to, 401 



— Injurious, in Ireland, 41 

 to Books, 172 



to Olives and Figs, 451 



— Protandry, 711 



— Scale, of Date Palm, 173 



— Spermatogenesis, 577 



— Treatise, 315, 713 



Insemination, Artificial, in Mammals, 24 

 Instruments, Binocular, 93 



Intelligence of Raccoons, 567 



Interference Fringes produced by Photo- 

 graphs in ( olours. fi48 



Intestinal Flora of Infants, 359 



Intestine, Frog's, Variation in Length, 

 569 



Invertebrata. See Contents, xii 



Invertebrates, Marine, Nitrogen Meta- 

 bolism. 35 



Iron Alloys, Densities and Specific Heats 

 of Some, 119 



— and Cadmium, Antimonides, 660 



— and Nickel, Magnetisation, 124 



— and Phosphorus, Constitution Com- 



pounds. 663 



— and Steel, Corrosion Tests, 783 



New Fatigue Test, 662 



Quenching and Tempering, 784 



— Carbon, and Sulphur, 6»>3 



— Cast, Annealing-Carbon, 124 

 Metallography, 122 



Manganese, Constitution, 261 



Special, 120 



— Group Elements, Melting Points, 121 



— Influence of Stress on the Corrosion, 



118 



— Meteoric and Steel, 258 



— Solubility of Graphite in, 124, 522 



— with Chromium, Alloys, 122 



— witli Molybdenum, Alloys, 119 

 Iron-Bacteria, Five New Species, 755 

 Iron-Carbon Alloys. Specific Heat, 525 



— System, 125 



Influence of Phosphorus, 524 



Iron-Tungsten System, 267 



Irritability of Seed Plants. See Contents. 



xxii 

 Isopod, Marine, New, 454 



— New British Terrestrial, 320 

 Cave, 48 



Devonian, 717 



— Terrestrial, New, 455, 587 

 Isopods, Cave, 48 



— Maxillary Gland, 586 



— Terrestrial, of the Family Eubelidaa, 



48 

 Iwanoff, J. J., Artificial Insemination in 



Mammals, 24 

 Izuka, A., Breeding of „ Nereis japonica, 



717 



J. 



Jackson, A. B., Mosses of Hampshire an 1 



Isle of Wight. 340 

 Jackson, C. F„ Semi-Aquatic Aphid, 317 

 Jager, L. de. Method for Photographing 



Superficial Bacterial Colonies. 392 

 Jahn. E.. Myxomycete Studies, 635 

 Jakubski, A. W., Neuroglia in Leeches, 



455 

 Jancewski. E. de, Monograph of the Genus 



Ribes, GG 



