INDEX. 
819 
Skeletal Rudiments, Ectodermic Origin, 35 
Skin Cancer, Parasite, 355 
— Fungi, Natural Pure Cultivations, 530 
Slides. See Contents, xxxv 
Slugs, Check-List, 183 
Smerinthus populi, Sexes of Larvae, 188 
Smilacina, Endosperm of, 588 
Smirnow, A., Free Nerve-endings in Epi- 
thelium of Earthworm, 568 
Smith, E. A., Indian Deep-sea Mollusca, 
668 
— J. L., New Method of Preparing Culture 
Media, 524 
— R., 768 
— T., Coarse and Fine Spirilla in Gut of 
Pig, 731 
— Gas and Acid Production by Bacteria, 
384 
— T. F., Ultimate Structure of Pleuro - 
sigma angulaium, 141 
Snail, Kidney, 182 
Snow Crystals, Photomicrograms, 741 
Flora of Spitzbergen, 605 
Sobotta, J., Fertilization in Mouse, 174 
Soil, Influence of Physico-Chemical Agents 
on some Pathogenic Anaerobes of, 387 
Soldier of Eutermes, Origin of “ Nasutus,” 
560 
Solereder, H., Anatomy of Rubiacem, 471 
Somatopleure, Formation in Chick, 544 
Sondermann, R., Biology of Cholera- 
bacilli, 614 
Sonntag, P., Connection between Lignifica- 
tion, Firmness, and Elasticity in Cell- 
walls, 469 
Sonsino, P., Helminthological Notes, 570 
Sound, Production by Ants, 334 
South American Tubiflcidse, 200 
— Australia, Land Planarians from, 202 
Sozoiodol Preparations, Action on Cholera 
Bacilli, 281 
Spain, Leeches, 343 
Spatzier, W., Myrosin in Plants, 76 
Spawn of Eledone, 555 
Spectrum, Absorption-, of Chlorophyll, 701 
Spencer & Smith’s New 1/5 Objective, 
737 
— W. B., Victorian Earthworms, 200 
Spengel, J. W., Enteropneusta, 203 
Spermatogenesis in Ascaris megalocephala , 
63 
— in Decapod Crustacea, 193 
— in Salamandra maculosa , 177 
— of Bombyx Mori, 187 
— of Crustacea, Study, 272 
— of Salamandra , Investigation of, 271 
— of Turbellaria, 65 
Spermatozoa of Dytiscus, 52 
Spermatozooids of Fucacese, Irritability, 
599 
Sphagnum , Fungus-parasite of, 235 
Spheres, Kuster’s, for Microscopic Objects, 
135 
| Spberocrystals of Agave, 704 
Spherometer, New Exact and Easily Con- 
structed, 107 
Splienophyllacese, Position, 595 
Sphenophyllum, 374 
Spberocrystals of Euphorbia, 76 
Spicule, Development of Holothurian, 457 
Spicules, Hexactinellid, 352 
Spicier, Coelomic Cavity, 676 
Spiders, Activity of Heart, 56 
— Development of Lungs, 676 
— Instincts of Common English, 55 
Spiny Plants, 222 
Spirilla, Coarse and Fine, in Gut of Pig, 
731 
— Demonstrating in Drinking-water, 274 
Spirotxnia obscura, Chlorophores, 90 
Spirula, Shells of, 553 
Spitzbergen Expedition, Synasciclim, 671 
— Snow-flora, 605 
Spondylosium puichellum, 2 
var. pyramidatum , 3 
Sponges, Comparative Anatomy, 461 
— Generic Nomenclature of Bowerbank’s 
British, 576 
— New, 352 
Spongillidse, Studies, 69 
Sporange of Ferns, Annulus of, 373 
Sporanges of Thamnidium elegans , 600 
Spore-formation in Liverworts, Relations 
of Nucleus to, 232 
! forming Saccharomyces, 722 
! — -staining after Maceration, 757 
— Fiocca’s Method for, 133 
Spores, Anthrax, Experiments as to 
Vitality in Earth and Water, 527 
j Staining Nuclei of, 406 
— Insertion in Protobasids, 486 
I — Nuclei of Anthrax, 385 
[ — of Diatoms, 239 
! — of Microsporidia, 465 
— of Pellia, Centrospheres in, 581 
— of Yeast, 235 
j Fixing and Staining, 276 
! — Staining, 276 
j Sporicidal Action of Serum, 728 
Sporophyte of Equisetinese and Lycopo- 
dinese, 88 
j Sporozoa, Classification, 71 
| Spronck, C. H. H., Cholera Vibrio of 
Epidemic in Holland, 731 
Spurs of Tropseolum and Pelargonium, 363 
Sputa, Fungus found in, 97 
Sputum as Cultivation Medium for Pneu- 
monia Cocci, 271 
— Phthisical, New Method for Detecting 
Tubercle Bacilli in, 402 
— Staining Reactions, 534 
Stabilite, Use for Celloidin Preparations, 
753 
Stage Aquarium, 121 
— Cold, 266 
— Leitz’s Mechanical, 105 
