758 
INDEX. 
Sniezelr, J., Species in Rotatoria, 191 
Sobotta, J., Corpus Lufeum of Mouse, 494 
— Fertilisation of Egg of Amphioxus 
lanceolatus , 39 
— Gastrulation of Amia calva, G04 
Society’s, Royal Microscopical, Standard 
Screw-Thread, 389 
Soil, Graveyard, Bacteriological and Che- 
mical Examination, 105 
— Influence on Seeds, 650 
— Nitrification in, 457 
— Production of Ammonia in, by Microbes, 
104 
Soja-Bean, Root Tubercle, 205 
Sonsino, P., Distomum Westermcinni, 191 
— Taenia flavo-punctata , 529 
Sorby, H. C., Method for Collecting and 
Estimating Number of Small Animals 
in Sea-Water, 256 
— Methods for Mounting and Exhibiting 
Delicate Marine Organisms, 136 
— Mounting Marine Animals os Trans- 
parent Lantern Slides, 134 
Sorel, E., Aspergillus Oryzae , 339 
Sori of Macrocystis and Postelsia, 91 
Sorus of Danxa , 332 
Southern Faunae, Distribution, 504 
Spectograph, Quartz-, Use, for Vegetable 
Pigment, 363 
Spectroscopic Eye-Piece, Abbe’s, 241 
Spee, — ., Glandular Character of Umbili- 
cal Vesicle, 396 
Spee, F. von, Fixing of Ovum to Wall of 
Uterus, 601 
Spemann, H., Development of Strong ylus 
paradoxus , 66 
Spencer, B., Crustacea of Central Australia, 
410 
— New Earthworms from Central Aus- 
tralia, 415 
— Tertiary Polyzoa of Victoria, 402 
Spencerella, a new Genus of F lor idem 546 
Spermathec®, Examining, in Newts and 
Salamanders, 256 
— in American Urodela, 495 
Spermatobium , Development, 427 
— Preparation of Specimens, 571 
Spermatocytes of Helix , 510 
Spermatogenesis, 375, 693 
— Accessory Nucleus, 184 
— in Birds, 41 
— in Monotremes and Marsupials, 602 
— in Spiders, 408 
— of Calupetenus femur-rubrum , 517 
— of Mammals, 602 
Spermatozoa, Chromatin Reduction in 
Maturation, 41 
— Double, of Dyticid®, 306 
— of Echinoderms, 631, 692 
Sphseroidina bulloides , 589 
Sphaerotheca Castagnei, Perithece of, 339 
Sphere in Nerve Cells of an Invertebrate, 
626 
Sphere in Spinal Ganglion-Cells of Frog, 
43 
— Investigation, Attractive, 130 
Spiders, Habits, 185 
— of Central Australia, 407 
— Spermatogenesis, 408 
Spinal and Central Ganglia, Structure of 
Nerve-Cells, 296 
— Cord of Trout, Rohon’s Cells in, 175 
— Ganglia of Mammals, 296 
Cells of Frog, Centrosome and 
Sphere, 43 
Spindles, Muscle-, 397 
Spinning-Apparatus, Development, 59 
— -Gland of Lepidopterous Larva?, 
Branching of Tracheae, 182 
Spiracles of Opilionid®, Secondary, 407 
Spiral Intestine, Development in Prisli- 
urus , 601 
Spirillina tnberculata, 590 
Spirillum desulfur! cans, 225 
— found in Stomach of certain Mammals, 
459 
— undula majus , Cultivating, 355 
Spirlas, A., Spinal Ganglia of Mammals, 
296 
Spirogyra , Division of Nucleus, 20 
Sponge- Chambers, Diplopodal, 636 
Sponges from W. Coast of Portugal, 77 
— Growth, 319 
— of France, 194 
Sporanges, Mechanics of Dehiscence, 
538 
— of Asperococcus, Plurilocular, 92 
Sporangial Rudiments iu Saprolegniace®, 
445 
Spore-Formation in Aerobic Bacteria, Phy- 
siological Conditions, 663 
in Ascus of Ascomycetes, 338 
— in Hepatic®, 90 
— - — of Bacterium coli commune , 315 
— of Fungi, 214 
Membrane of Rust-Fungi, Simple 
Method for Demonstrating Germinal 
Pore in, 257 
— of Chulara , 96 
— of Penicillium glaucum , Germination, 
338 
— of Saccharomyces, Development, 96 
Spores, Blue-Staining, 660 
Sporodinia , Zygosperm, 336 
Sporogenous Tissues, Nuclei and Nucleoles 
in, 199 
Sporophyte, Evolution of Vegetative 
Phase, 544 
— of Ophioglossacc®, 331 
Sporozoa of Vaccine Lymph, 196 
Sporulation of Diatoms, 452 
Spray, Antiseptic Value of Sublimate, 
481 
Spraying Experiments, 669 
Spring Wood, 82 
Springs, Bacteria of Hot, 456 
