Sos 



INDEX. 



Ijima. I., New Cestode Larva Parasitic in 

 Man, 596 



— Studies on the Hexactinellida, 100 

 Ik. ilu, I .. < Jephyrea of Japan, 315 



Dlig, G .. luminosity of G-nathophausia, 

 312 



— New Mysid Genus, 504 



Illing, G.. Fat-Cella in Glandvlai vesicu- 

 lar.* of Cattle, 683 



Illuminating and other Apparatus. See 

 Contents, xx\iv 



Illuminator, Beck's Parabolic, 753 



with Sorby's Reflector, 753 



— for ( ►paque Objects, J. E. Stead's, 372 

 Koristka's, 510 



— Improved Dark-ground, for High 



Powers, 538 



— New Vertical for Metallurgical Ex- 



aminations, 5( Ki 



— Vertical, Improved Methods of Working 



with. 251 

 Image-formation in Optical Instruments 



from the Standpoint of Geometrical 



Optics, Von Rohr's, 654 

 Images, Highly Magnified, Theory, 1 

 Imbedding Bath, New, 114 



— in Paraffin, I reosote as a Dehydrating 



Medium, 763 



— Objects. See Contents, xxxvii 

 Paraffin, 381 



— Microscopic Alga?, 530 



— with Incomplete Dehydration. 526 

 Imhof. <;., Lumbar Spinal Cord in Birds 



295 

 Imitations, Physical, of the Activities of 



Amoebae, 60 

 Imms, A. D., Marine Pseudoscorpion from 



the Isle of Man, 310 

 Immunising Powers and Virulence of 



Micro-Organisms, 631 

 Immunity, Natural, towards putrefactive 

 Bacteria, Origin, 736 



— of Plauts to their own Poison, 453 



— Unit for Standardising Diphtheria 



Antitoxin, Methods for Determining, 

 658 

 Index Filicum, 454 



— Ocular, Simple form, 37o 



Infection Experiments with Thielavia 



bast cola, 619 

 Inflorescence of Boragiuaceae and Sola- 



nacese, 450 

 Infusorians, Notes, 446 

 Injecting Objects. See Contents, xxxviii 

 Injection into Arteries, Fixation of Tissues 

 by, 380 



— of Fine Vessels, 763 

 Insect Bionomics, Notes, 586 



— Larvae, Metamorphosis, 51 



tnsecta, Inheritance of Acquired Charac- 

 ters, 307 



— Protective Resemblance, 306 



— See Contents, xiv 



Insects, Arboreal, Notes, t!95 



— Development of Gut during Metamor- 



phosis, 179 



— Fungal Parasites, 478 



— Injurious, in Ireland, 591, 695 



— Phylogeny, 586 



— Sense of Hearing, 179 



Instinct, Maternal, in Rhynchota, 181 

 Instruments. Accessories, etc. See Con- 

 tents, xxxiv 



— Mechanical Design of, 573 

 Integumentary Structures of Sipunculids, 



595 



Interference Bands, Achromatic, Simple 

 Method of Producing, 568 



Interferometer, Simple Pattern of Michel- 

 son, 573 



Interstitial Gland of Testis. Function, 

 294 



Intestinal Parasites. Alleged Toxic Action. 

 186 



Intestine, Human, Thermophilic Micro- 

 flora, 361 



— in Tadpoles, Influence of Food on 



Length, 173 

 Intestines of Infants, Distribution of 

 Microbes, 359 



Micro-Organisms in, 632 



Intra-Epithelial (i lands, 578 

 Intra-Organismal Selection, 579 

 Invertebrate Fauna, Plymouth Marine, 



177 

 Invertebrates, Spermatozoa, 576 

 Iodine, Use after Fixation in Sublimate, 



383 

 Ippolito, G. D., Diseases due to Clado- 



sporium, 220 

 Iridescence of Pigeon's Neck, 44 

 Iron and its Alloys. Experiments relating 



to the Effect on Mechanical and other 



Properties produced by Liquid Air 



Temperatures. 775 

 Iron and Steel, Crystallisation, 777 



■ Influence of Nitrogen, 668 



Metallography, 775 



Methods for Detecting the more 



Highly Phosphorised Portions, 

 284 

 Iron-Carbon Alloys, Constitution, 670 

 Irou, Soft, Thermal and Electrical Effects, 



667 

 Irritability of Seed Plants. See Contents, 



xxii 

 Isaria Forms of Penicillium, 220 

 Islands of Langerhans, in Human Embryo, 



Development, 680 

 Isopod, New Cave, 594 

 Isopods, New Genus. 699 

 — Terrestrial, Introduced into Austral- 

 asia, Distribution, 699 

 Issel, R., New Parasitic Rotifer, 189 

 Istvanffi, G. d., Two New Pests of the 



Vine in Hungary, 224 



