992 



INDEX. 



Homogeneous-immersion, Essence of, 



131, 526. 



. , Fluid for, 942. 



, New, 123. 



, Note on a Fluid for, 366. 



Objective, with extra Front 



Lenses, 301. 

 , Powell's, of 1 '47 N. A., 



714. 

 , Secure Method of Set- 

 ting the Front Lens of, 121. 

 • with Correction Ad- 

 justment, 519. 



Objectives, Gundlach's, 120. 



, Origin of, 131. 



Hooks and Scolex, Loss of, in the 



Tffiniadje, 250. 

 " Houses " of theLarvse of Trichopfera, 



239. 

 Houston's Botanical Dissecting Micro- 

 scope, 513. 

 ' How to See with the Microscope,' 



Smith's, 546. 

 Huberson's ' Journal de Photographic 



et de Microscopie,' 709. 

 Hudson, C. T., On CEcistes Janus and 



Floscularia trifolium, two new 



Species of Rotifers, 1. 

 Human Embryo, Tail in, 11. 

 Saliva, Fatal Form of Septicaemia 



in the Rabbit, produced by the Sub- 

 cutaneous Injection of, 779. 

 Hume's Frog-plate, 673. 

 Hybrid Moss, 772. 

 Hyde's Illuminator, 524. 

 Hydrachnida of the Lake of Geneva, 



731. 

 Hydroid Polyps, 470. 

 and Medusae, Living in Fresh 



Water, 748. 

 Hydroida, Origin of the Ovum of, 746. 

 Hydrophobia, New Disease due to the 



Action of the Saliva of a Child who 



died from, 286. 

 Hydrosera, new Species of, 424. 

 Hydrostatic Tension as a Cause of 



Movements of the Sap, and of various 



Organs, 771, 

 Hymenial Glands, Supposed, of Pleuro- 



tus glandulosus, 637. 

 Hymenium on the upper side, Hyme- 



nomycete with, 488, 636. 

 Hymenomycete with tlie Hymenium 



on the upper side, 488, 636. 

 Hymenomycetes, Structure of tlie 



Annulus in, 636. 

 Hymenoptera, Wings of, 35. 

 Hypertrophy and Multiplication of 



Nuclei in the Hypertrophied Cells of 



Plants, 267. 

 Hysterium, Species of, Parasitic on 



Cruciferae, 282. 



Ideal Series of Objectives for Micro- 

 scopical Work, 679. 



Illumination Fallacies, 330. 



for Binocular Microscopes with 



High Powers, 690. 



, Obliijue, Mayall's Spiral Dia- 

 phragm for, 126. 



, " Opaque," by the Vertical Illu- 

 minator, 362. 



, Test for, 541. 



Eluminator, Hyde's, 524. 



, Swift's Radial Traversing Sub- 

 stage, 827. 



, Vertical, " Opaque " Illumination 



by, 362, 373. 



, Tighlmann's Cylinder- Dia- 

 phragms for, 941. 



, Wenham's Disk, 664. 



Image-forming Rays, Not, 338. 



Images, Microscopical, Difference in the 

 appreciation of the apparent Size of, 

 by different Observers, 829. 



Imbedding in Paraffin, 954. 



in Paraffin and Freeing the Sec- 

 tions, 953. 



, Strasser's Method of, 840. 



Substance, Seller's, 840. 



"Immersion" and "Dry" Objectives, 

 305. 



Immersion Condenser, Hyde's Oblique, 

 524. 



Fluid, new Homogeneous, 123. 



, Homogeneous, Essence of, 131, 



526. 



, Fluid for, 942. 



, Note on a Fluid for. 366. 



, Objective with extra Front 



Lenses, 301. 



, Origin of, 131. 



Objective, Homogeneous, Gund- 

 lach's, 120. 



, New, J^-inch of 1*43 



N. A., 942. 



, (Oil), Secure Method of 



Setting the Front Lens of, 121. 



, with Correction Ad- 

 justment, 519. 



, Powell's Oil-, of 1-47 



N. A., 714. 



, the Stokes, and the Shad- 

 bolt dry, 333. 



, Value of Wide-angled, 303, 



359, 365. 



Indices, Refractive, of Optical Glass, 

 949. 



Inferior Organisms, Biology of, 901. 



Inflorescence of Marchantia, Shoots 

 from the Pedicels of, 276. 



Infusoria, Algae, &c.. Fluid for Mount- 

 ing, 845. 



