INDEX, 



1139 



Illumination by aid of Air-bubbles, 

 324. 



Illuminator, Koristka's Abbe, 322. 



, Maver's Black-ground, 514. 



, Sor'by's (H. C.) Direct, 130. 



, Zeiss's Monochromatic, 515. 



Images, Compound, by the Method of 

 Successive Exposures, 496. 



, Microscopic, Some remarks on 



the Interpretation of, with High 

 Powers, S69. 



Imbedding Apparatus, Stein's Simple, 

 882. 



Fish Eggs, 1081. 



in Celloidin, 164. 



Media for Diatoms, 883. 



, Paraffin, Cedar-wood Oil for, 163. 



Pharmaceutical Preparations, 



883. 



Preparations, Apparatus for, 



specially adapted for the Nervous 

 System, 163. 



with Benzol and Cutting very 



delicate Objects, 706. 



Imbedding-box, 165. 



Imbibition of Wood, 477. 



Theory, Insufficiency of, 283. 



Imhof, O. E., 364, 547. 



, Horizontal and Vertical Geo- 

 graphical Distribution of the Pelagic 

 Fauna of Fresh-water Lakes, 582. 



, Microscopic Pelagic Animals of 



the Mediterranean, 633. 



, Pelagic Animals from Fresh- 

 water Pools in Alsace and Lorraine, 

 251. 



Impregnation, Excretion of masses of 

 Sexual Protoplasm before and 

 during, 278. 



Impressions, Vegetable, Tracks of In- 

 sects simulating, 238. 



Incubation, Peptone in Hens' Eggs 

 during, 210. 



Incubator heated by Petroleum, Sahli's 

 Automatic Kegulator for, 1058. 



Indian Ocean, Alga) of, 110. 



Indigo and Carmine, Merkel's Double 

 Stain with, 899. 



Intlorescences, Biology of Unilateral, 

 824. 



Infusoria, Ciliated, Conjugation of, 

 812. 



, , Glycogen in, 260. 



, Dialytic Properties of the Mem- 

 brane of the Cyst of, 260. 



, Fresh-water, 634. 



, New, 262. 



, New Fresh-water, 85, 633. 



of the Gulf of Naples, 813. 



, Peridinium and other, 261. 



, Pulsating Vacuoles of, 403. 



, Reproduction of, 83. 



Infusoria, Significance of Conjugation 

 in, 1002. 



, Temporary Encystment among, 



200. 



Infusorian, Ectoparasitic Peritrichous, 

 260. 



, New Symbiotic, 84. 



, Phosphorescent Flagellate, 462. 



Infusorians, New Ciliated, 262. 



Injecting Annelids, Methods of, 540. 



Apparatus, Seymour's, 732. 



Injection, Cold Mass, for Anatomical 

 Preparations, 170. 



of Leeches, Natural, 540. 



Innervation of Heart in Helix. 954. 



Inostranzeffs (A.) Comparison Cham- 

 ber for the Microscopical Study of 

 Opaque Minerals and other objects, 

 507. 



Insecta. See Contents, xiii. 



Integument, Colouring Matters of, 220. 



, Seminal, of Tilia. Suberification 



in, 98. 



Integuments, Seminal, of Tiliaceaj, 98. 



Intercellular Passages, Lining of, 471. 



Interpretation of Microscopic Images 

 with High Powers, Some remarks on, 

 869. 



Intramolecular Respiration, 282. 



Invertebrata. See Contents, x. 



Invertin and Diastase, Action of, 1019. 



Iodine Vapour, Staining with, 170. 



Ireland, Marine Fauna of the South- 

 west of, 771. 



Iris of Man and Vertebrates, Preparing, 

 874. 



, Preparing, 1072. 



Iiish Foraminifera, Recent, 464. 



Iron and Steel, Examining, 359. 



, Microscopical Structure of, 



175. 



Ishikawa, C, and K. Mitsukuri, Ger- 

 minal Layers of Chelonia, 936. 



Isolating the Epidermis of Human and 

 other Embryos from the Dermis, 872. 



the Primitive Muscular Bundles 



and Staining Nerve-endings, 895. 



Isopod, New, 607. 



Isopods, Terrestrial, 242. 



Israel's (O.) Warming Apparatus as a 

 substitute for the Hot Stage, 860. 



Isthmia, Mounting, 1079. 



lulus, New Parasite on, 237. 



terrestris, Early Development of, 



597. 



Ivory, Vegetable, Preparing, 732. 



Jack, J. B., Physiotium, S30. 

 Jacobasch, E., Poisonous Properties of 

 the Morel, 293. 



