INDEX. 
717 
Snake Venom, Relation of the Toxin and 
Antitoxin of, 71 
Snow, Julia W., Pseudo-pleurococcus g. n., 
634 
— Ulvella americana , 419 
Sobotta, J., Corpus luteum of Mammals, 
573 
— Formation of the Corpus luteum, 268 
Soil Bacillus of the Type of B. megaterium, 
320 
— Microbes, Influence on Vegetation, 426 
Sokolowsky, A., Evolution of Scales on 
Lizard, 476 
Solanum tuberosum, Nuclear and Cell- 
division, 498 
Solger, B., Chromatophores of Cuttle- 
fishes, 28 
Solms-Laubach, Graf zu, Cleveidese, 512 
Ovule and Seed of Rafflesia and 
Brugmansia, 502 
Solutions, Aqueous, Effect on the Germi- 
nation of Fungus Spores, 189 
Soranthera, Structure and Development, 
60 
Sorauer, P., Parasitic Fungi, 517, 631 
Sorbose Bacterium, 638 
Sorby, H. C., Decolorising Algee, 102 
— On the Preparation of Marine Worms 
as Microscopical Objects, 679 
— Killing and Preserving Marine Animals, 
103 
Sorghum Blight and Yeast Parasitism, 
313 
Soukhanoff, S., Changes in the Dendrites 
in Intoxication, 23 
Soulier, Albert, Embryology of Protula 
Meilliaci, 486 
Sparganium, Embryo-sac, 410 
Species, Couception of, 56 
— External Resemblance, 615 
Specific Gravity of Bacteria, Method for 
Determining, 424 
Spectroscope, Direct- Vision, 337 
Speiser, P., New Parasite of Bats, 31 
Spemann, H., Eustachian Tube of Frog, 
629 
Spencer, Bald win, Hairs of Monotremes, 151 
Spengel, J. W., Variation in Butterflies, 
, 593 
Spermatogenesis in Man, 575 
— in Pentatoma, 278 
— in the Rat, 575 
\. — Nutritive Cells in, 149 
— of Dog-Fish, 20 
Spermatozoa, Development, 379, 468 
— in Guinea-pig, Structure and Develop- 
ment, 467 
— Origin, 468 
— Path of, from the Testis of Frogs, 22 
Spermatozoon, Mammalian, Spiral Fibre of, 
19 
Spermogones of Lichens, 518 
Sphseronema, 632 
Sphaoroplea, Fertilisation, 514 
Sphenodon. Development, 265 
— Egg-laying and Early Development, 
376 
Spider, New Stridulating, 280 
— of the Dawn, 390 
Spiders, Eyes, 279 
Spiking of Anthrax, Method for Restoring 
the, 238 
Spinal Cord Cells, Staining, 454 
in Anura, Envelopes of, 577 
Spiral Fibre of Mammalian Spermatozoon, 
19 
— Structure of the Roots of Chenopo- 
diacese, 49 
Spirilla of Geese, Demonstrating, 545 
Spirillosis of Geese, 526 
Spirillum volutans, Cultivation Medium 
for, 544 
Spirogyra, Abnormal Conjugation, 418, 629 
— Nucleole and Karyokinesis, 186 
Spitta, E. J., and C. Slater, Atlas of Bac- 
teriology, 200 
Spitta’s Photomicrography, 226 
Spleen, Development, 570* 
Sponges, Fertilisation and Maturation, 606 
— New, 288 
— Notes on some belonging to the Clionidae, 
obtained at Madeira, 459, 461 
— Observations on, 1 65 
Spongilla Icicustris , Structure of Larva, 605 
Spongillidae, Geographical Distribution of 
European, 494 
Spore-formation and Germination as Dia- 
gnostic Criteria of Species, 194 
in Bacteria, Decline and Regenera- 
tion, 424 
Spores, Bacterial, Internal Structure, 314 
— Simple Method for Staining, 346 
— Terminology, 510 
Sporogone of Hepaticae, 512 
Sporophyte, Origin of the Leafy, 623 
Sporothrix Fungus in Abscess, 521 
Sporozoa in Gut of Slow-worm, 402 
Spronck, C. H. H., Cultivation of Leprosy 
Bacillus, 343 
Spuler, A., Histogenesis of the Mesen- 
chyme, 570 
Stage, Bausch and Lomb’s Revolving 
Mechanical, 222 
— Construction, Improved, 79 
— Finder, New, 96 
Stages, Reichert’s Mechanical, 216 
Stahr, Hermann, Chelae of the Lobster, 
280 
Staining and Fixing, Combined Method, 
452 
— and Mounting Methods, Three, 234 
— Bath, Hot, 109 
— Objects. See Contents, xxxii 
Stand, Paul Meyer’s Dissecting (Improved 
Form). 218 
— Reichert’s Cheap, 217 
