830 



INDEX. 



Spalding, E. S., Mechanical Adjustment 

 in Ctreua giganteut to Varying Quanti- 

 ties of Stored Water, 829 



Species, Formation, 170 



Spectra, Influence on Images of Gratings 



of rhasc-DiHcrenecs amongst their, 152 

 Spemann, H., Lens Formation in Frog, 



421 

 Spenoer Objective. 103 

 Spengel, J. W., New Enteropneustan 



Species From Naples, 58 

 Spermatogenesis of Hydra, 705 

 Demonstrating, 7G4 



— of Syromaste* marginatum 589 

 Spermatophores of Newts, 679 

 Spermatozoa, Accessory Nuclear Struc- 

 tures, 423 



— Motion, 422 



— of Aacarit megalocephala, Examination, 



761 



— of Crayfish, 5 1 



— of 1 Hscoglossus pictus, 166 



— of Invertebrates, 576 



— of Lamprey, 2H4 



— Phagocytic Absorption, 576 



— Polymorphism, 34 



— Structure and Movements, 422 

 Spermatozoon of Helix pomatia, 48 

 Sperm-Cells, Human, Corpuscle of, 679 

 Spei-mophilus, Implantation of Ovum, 



166 

 Sperm-Receptacle of Cambarus, 697 

 Speschnew. N. N., Fungal Parasites of the 



Tea Plant. 224 

 Sphacelariacese, 76 

 Sphagna from Environs of Paris, 73 

 Spherometer. New, 255 

 Spider, Social, Habits and Life History, 



592 

 Spiders, Auditory and Olfactory Sense, 

 309 



— North American, 696 



— of the Erigone Group, 182 



Spiess, ('., Digestive Apparatus of Aula- 



stoma, 185 

 Spinal Cord, Lumbar, in Birds, 295 



of Reptiles, Peripheral Cell-Groups, 



296 

 Spinax Niger, Development of Olfactory 



Organ, 167 

 Spindle Formation in the Pollen-Mother- 



Cells of Cassia tomento&a, 193 

 Spire Variation in Pyramidula alternata, 



lit 



Spirilium, Cholera, Biology, 361 

 Spirillum pyogenes, 360 

 Spirochasta pallida, 602 

 Spirochsetffl of Syphilis, Staining. 529 

 Spitta, E. .1.. 395 

 Sponges, Chilian, 600 

 - Hexactinellid, Phytogeny, 189 

 Spore Dispersion in the Basidiomyoetes, 



and the Biological Value of the" Basi- 



dium, 223 



Spore Formation in Biddulphia mobiliensis, 

 721 



— Production by Bacillus anthraci* and 



other Spore-bearing Bacteria, 96 



— Staining, 385 



New Method, 385 



Spores. Germination, 332 



— Lichen. Multi-nucleate Condition, 481 

 Sporogonium-formation in Liverworts, In- 

 fluence of Light, 607 



Spring Safety Action, Reichert's Objec- 

 tives with Bourguet's, 249 

 Squamariacese, New Genus of, 340 

 Squirrel from Burma, New, 686 



— New Hsematozoon in, 601 

 Stage, Leitz' Mechanical, 497 

 Tliermometric, 507 



— Watson's Mechanical for Bactil Micro- 



scope, 743 

 Stager, R., Biology of Ergot, 729 

 Stages, Localised, in Common Roadside 



Plants, 199 

 Stain, Differential, for Gonococcus, 664 



— for Vegetable Tissue, Persio-acetic 



Acid, 664 



— New, Fugent, 384 



— New Yolk, 386 



— Romanowski's Chromatin, New Method 



of Making, 115 

 Staining and Cultivating Amoebae, 112 



Fixation of Muscle Fibres, 660 



Fixing Nuclei, 660 



Metallic Impregnation of Tissues, 



Use of Electrolysis, 666 

 Mounting Algas and Fungi, Easy 



Method, 769 

 Permanently Preserving Urinary 



Sediment, Method, 774 



Preparing Eggs of Haminea soli- 



taria, 263 



Eye of Honey Bee, 525 



Preserving Algae, 115 



— Arteries, 384 



— Capsule, New Method, 665 



— Differential, of Bacillus typhosus in 



Sections, 265 

 of Typhoid Bacilli in Sections, 385 



— Diphtheria Bacillus, Methods, 386 



— Glycogen, New Method, 385 



— Histological, Theory, 530 



— Negri's Bodies in Hydrophobia, 386 



— Nerve-Endings in Skin of Mammals, 



666 



— Nerve Fibrils, 666 



— Nervous Tissue with Gold Chloride, 



New Method of Rapid, 664 



— Objects. See Contents, xxxviii 



— Protozoa, 264 



— Sections, Multiplex Slide-holding De- 



vice, 530 



— Sensory Nerve-Sheaths, Method, 385 



— Simultaneous, of Several Sections fixed 



to Cover-slips or Slides, Apparatus, 

 771 



