INDEX 



025 



Hesse, R., 654. 



Heteractiuism in Echinodermata, 788. 

 Heterogeny of Daphnia, 506. 

 Heurck, H. van, 264, 265, 418, 557. 

 Hildebrand, F., 215, 524. 

 Hinoks, T., 183. 



Hirudinea and Ccelenterata, Relation- 

 ships of the Platyhelrninthes with, 

 197. 

 His's Embryograph, 402. 

 Histological Elements, Dimensions of, 



762. 

 Histology and Embryology of tbe 

 Phanerogamia. See Contents. 



of the Vertsbrata. See 



Contents. 

 — — and Microscopy, Section of, at the 



American Association, 119. 

 Hitchcock, R., 409, 415, 416, 861. 

 Hoek, P. P. C, 335. 

 Hofmann's Camera Lucida, 679. 

 Hogg on tbe Microscope, 862. 

 Hobnel, F. R. v., 216, 814. 

 Holdsworth, S. R., 127. 

 Holmes, E., 423, 731. 

 Holotburia, Digestive Canal of, Histo- 

 logy of, 792. 

 Holothurians, Anatomy of, 512, 632. 

 Holotburoidea of tbe Norwegian North 



Sea Expedition, 791. 

 Homogeneous-immersion, Advantage 



of, 265. 

 and Water-Immersion Ob- 

 jectives, 685. 



, Fluids for, 264, 551. 



Objectives, Correction-adjust- 

 ment for, 407, 854. 



, Powell's -J., 565. 



, Scratching the Front 



Lenses of, 264. 



Principle, 152. 



Homology of tbe Ovule, 648, 808. 

 Hoppe-Seyler, F., 376. 

 Horst, R., 50, 330. 

 Hot or Cold Stage, 21. 

 Hot- water Stage, Schklarewski's, 411. 

 Hubrecht, A. A. W., 31, 180, 331. 

 Hudson, C. T., 787. 

 Huet, 337. 



Human Excrements, Vegetable Organ- 

 isms in, 234. 

 Hunt, J. H, 710. 

 Huxley, T. H, 538. 

 Hyatt, J. D., 516. 



Hybridization iu Fresh-water Sponges, 

 515. 



of Ecbinoidea, 513. 



Hydnum, Conidial Apparatus in, 80. 

 Hydra, 794. 



and Spongilla, Chlorophyll-cor- 

 puscles and Amyloid Deposits of, 

 322. 



Hydrachnida, Sense-hairs of, 775. 



Hydroid Polyps, Nervous System of, 

 202. 



, Organization of, 793. 



Hydroida, Sexual Cells of, 60. 



Hydrotropism of Roots, 74. 



Hydrozoa, Spermatozoa of, 60. 



Hydrurus, 664. 



Hymenogastrese, a New Genus of 

 (Leucogaster), 654. 



Hymenomycetes and Wild Flowers, 

 English's Method of Preserving, 

 283. 



Hypbomycetes, a New Genus of 

 (Beltrania), 538. 



Hypocblorin, 528. 



and Chlorophyll, 817. 



Hypodermise, Alternation of Genera- 

 tions in, 827. 



I. 



Ice, Rainwater-, and Hail, Micro- 

 organisms from, 450. 



Illumination, Dark-field, 273. 



, Symmetrical, 691. 



Illuminator, Immersion, Bauscli and 

 Lomb, 412, 688. 



, Vertical, for examining Histo- 

 logical Elements, 266. 



, -, Hitchcock's Modified Form 



of, 409. 



Illuminators, Prisms versus Hemisphe- 

 rical Lens as, 556. 



Image, Apparatus for projecting, to any 

 required Distance with Variable 

 Amplification, 677. 



Images, Miniatured, 693. 



Imbeddiug, 568, 880. 



Ctenophora, 278. 



Delicate Organs, 125. 



, Gaule's Methoil of, 428. 



, Gum and Glycerine for, 890. 



, Paraffin-, Modification of, 708. 



Tissues in semi-pulped, unglazed 



printing Paper, Simple plan of, 

 474. 



Immersion and Dry Objectives, Beck's 

 Achromatic Condenser for, 270. 



Condenser, Gundlach's, 6S9. 



, Homogeneous. See Homogene- 

 ous Immersion. 



Illuminator, Bausch and Lomb's, 



412, 688. 



Objectives, Homogeneous- and 



Water-, 685. 



Immunity from Anthrax, Duration of, 

 239. 



Impurities of Drinking Water caused 

 by Vegetable Growth, 394. 



Indices, High Refractive, Mounting 

 in Media of, 156. 



