index. 733 
Simroth, H., Indo-Malayan Nudibranchs, 
531 
— Plankton Brachiopods, 82 
— Species of Vaginula, 297 
Sipkonese, Grafting of, 108 
Siphonophora, Classification, 312 
Sipunculids, Abyssal, 030 
Size of the Coloured Images yielded by 
the Cooke Lens, Method of adjusting, 
397 
Sjobring, Nils, Coccidia of Passeres, 
315 
Skorikow, A., New Rotifer, Monostyla 
appendiculata , 630 
Skull, Development of Lizard’s, 406 
Slides. See Contents, xxxv 
Sluiter, C. Ph., Amputation of Disc- 
covering in Ophiurids, 632 
— South African Gephyreans, 630 
Tunicata, 188 
Smegma Bacillus, 344 
Smirnow, A. E., Demonstrating Medullated 
Nerve-fibres, 682 
— Molecular Layer of Cerebellum, 64 
Smith, A. C., Multiple Canals in Spinal 
Cord of a Chick Embryo, 616 
Smith, E. F., Bacterial Diseases of Plants, 
115, 462 
Smith, E. F.. Bacterial Disease of the 
Hyacinth, 663 
Smith, G. Elliot, Origin of Corpus callo- 
sum, 293 
Smith, J. C., Spore-Formation in Amoeba 
villosa , 547 
Smith, R. Greig, Sheep-Ticks and Loup- 
ing-Ill, 74 
Smith, T. H., Test for the Production of 
Indol by Bacteria, 380 
Smith, W. R., Embryogeny of the Pon- 
tederiacese, 556 
Snake- venom, Toxin and Anti-toxin of, 
623 
Sobotta, J., Gastrulation in Amphioxus, 
51 
in Vertebrates, 51 
Sodium and Magnesium Salts, Influence 
on the Growth of Plants, 561 
Sokolowa, C., Growth of Root-hairs and 
Rhizoids, 558 
Solanacese, Anatomy, 93 
Solvay, F., Possible Role of Electricity in 
Vital Processes, 529 
Sonsino, P., Helminthological Notes, 310 
— Larval Trematodes in Gastropod Hosts, 
310 
Sorbose Bacterium, Action on Wood-sugar, 
‘ 666 
— Biochemical Production, 575 
Sorghin and Sorghorubin, 207 
Sorghum Blight, Bacteria, 581 
Soulier, Albert, Early Stages in Develop- 
ment of Serpulid®, 541 
Sour Corn, Bacteriology, 463 
Sowerby, G. B., New South African 
Marine Gastropod, 624 
Spallieci, S., Algae (Protophyta) of Hot 
Springs, 114 
Spaujer, O., Hydathodes, 554 
Species and Breeds, Formation, 520 
Spectroscope, Zeiss’ New Comparison, 
477 
Spencerites, a new Fossil Genus of Lyco- 
podiace®, 220 
Spengel, J. W., Excretory Cells of As- 
carids, 80 
Spengelia porosa , 199 
Sperm - Cells, Chromatoid Bodies of, 
289 
Spermatogenesis and Secondary Nucleus 
in Filicine® and Equisetinese, 104 
— in Mammals, 284 
— in Man, 517 
— of Grasshopper, Chromatic Tetrads in, 
193 
— of Snail, 296 
Spermatophagous Organ in Bed-Bug, 
536 
Spermatozoa, Human, Axial Filament of, 
57 
— in Mammals, Dimorphism of, 57 
— Path of, in the Frog, 58 
— Worm- like, of Paludina vivipara , 68 
Sphaeelariace®, Nuclear and Cell-Division 
in, 108 
— Sexuality, 566 
Spluerothuria bitentaculata in Japanese 
Seas, 200 
Sphenodon, Development, 616 
Spheroids and Crystalloids in Phytolacca, 
638 
Spicules of Clathrinid®, 312 
Spider and Pitcher-Plant, 538 
— Ant-Eating, 302 
Spider-Lines, 232 
Spinal Ganglion-Cells of Reptiles, 64 
— Plexus and Sacrum of Newt, Variations 
in, 292 
Spindle-Formation in Cephalopod Blasto- 
derm, 295 
Spines, Development of Hedgehog’s, 
518 
— Evolution of, 619 
Spiral Fold of Selachian Intestine, 62 
Spirogyra, Chemical Physiology, 454 
— Conjugation of Binucleated Cells, 567 
— Dissociation of the Cells, 454 
— Division of the Nucleus, 567 
— Karyokinetic Nuclear-Division, 454 
Spiroptera and Filaria, 631 
Spirorbis, 305 
Spitta, Edmund J., Photomicrography, 
59 1 
Splitting up Argillaceous Silicates contain- 
ing Diatoms, Method for, 380 
Sponge, Freshwater, Preservative for, 492 
— New Calcareous, 87 
