INDEX. 



709 



Southern, R., Turbellarians of Clare Island, 



526 

 Spauldinsr, P., Plant Diseases, 436 

 Spehl. G.. Early Stasjes iu Development of 



th<' Gonads in Axolotl, 299 

 Speinann, H., Development of Vertebrate 



Eye. 392 

 Spencer. 15., Tooth-marks of Thylacoleo. 



3.') 

 Sperm, Foreign, Influence of, on tlie Ovum, 



39(1 

 Spermatia, Formation of, in Dele^'seria 



sanguinea, 63.T 

 Spermatocytes. Human, Heterochromo- 



sonie in, 299 

 Spermatogenesis iu Equisetum, (528 



— in Hybrid Pigeons, 600 



— of Ascaris megalocephala, 614 



— in Hybrids, J 67 



— in Man, 298 



— in Opossum, 391 



— of Bat, 298 



— of Horse, 391 



— of Snail, rvIO 

 Spermatophores of Earthworms, 404 



— of I'seudoscoipions, .523 

 Spermatozoa, Action of Kadium Rays on, 



392 



— Dimorpliic, in Blow-fly, 180 

 in Flea, 180 



— Nematode, Degeneration of, 615 



— of Tuuicata, Influence of, on Ova of Sea- 



urchin, 304 



— Penetrating- into Blastulse, 299 



— Sea-urchin, Effect of Inhibiting Oxida- 



tion of. 526 

 Spermatozoon, Echinoid, Middle-piece, 

 311 



— Echinus. Middle-piece, in Fertiliza- 



tion, .54 



Spezia, G., Eff'ects of Pressure on Metals, 

 256 



Sphagnacepe, 203 



Sphagnum, North American, 538, 630 



Sphenodon, Minute Structure of Retina, 

 3(13 



Sphenolobus filifonnh, 204 



Spider. Fisherman's, 4.5 



Spiders and Insects, Comparative Embryo- 

 logical Studies, 40 



— Caveruicolous. 403 



— Celebes, 45 



— Histological Study of Digestion. 307 



— Structure of Central Nervous System, 



403 

 ^Spinal Canal, Subdivision in Lumbar 

 Region of Chick Embryos, 29 



— Cord in Fishes, Sub-pial Layer of, 

 604 



— Ganglia, Culture of, 663 

 Spirastrella, Structure of, 313 

 Spirella amis, 442 



Spirochasta gallinamm, Life-cycle, 410 



Spirnchaetes, Demonstration, 114 



— of the Mouth, 551 



— Rapid Method of Staining, 115 

 Spirochsets, Systematic Position of, 528 

 Spirogyra, Reduction-division and Synop- 

 sis, 60 



Spiroptera of Dog, Life-history, 311 

 Spiroptera sexalata Molin, 310 



— drongylina Rud, Structure of, 311 

 Spirilla austral is. 38 



Spirulina and Oseillaria, 539 

 Spitta, E. J.. 471 



— on the Colouring of Lantern Slides, 259 

 Spitschakoff, Th., Hermaphrodite Shrimp, 



403 

 Sponges. Australian, 619 



— Calcareous, Division of Collar Cells 



in, 313 



— Clare Island, 619 



— Fresh-water, of Clare Island, 314 



— Regeneration in, 314 



— Red Sea. 191 



Spore, Nosema, Structure, 528 



Spore- formation in Lycogala exiguum, 439 



— in Podospora anxerina, 336 



— in Tubercle Bacilli, 646 

 Spore-forms, Peculiar, of Botrytis, 78 

 Spore-germination and Infection in Oomy- 



cetes, 638 

 Spore-staining, New Method, 465 

 Siiores of Jurassic Ferns, 199 



— Monilia, Wintering of, 338 



— Saicocystis, 318 



Sporocarp in Marsilia, Vascidar Con- 

 nexions of, 324 

 Sporotrichosis, 249 

 Sporozoa, Notes on, 623 

 Spotting, Red-brown, of Cheese, 79 

 Spud for Bacteriological I'urposes. 459 

 Sputum Investigation, Modern Methods, 

 571 



— ^Methnd for obtaining Pure Cultures, 460 

 Ssobolew, L., New Freezing Microtome, 



364 

 Stakel, Ct., Culture Studies of Fungi. 82 

 Stain, Bacterial, Hematoxylin as, 571 



— Permeability of Sea-urchin's Ova by, 



617 

 Staining of Acid-fast Bacteiia, Action of 

 Ultra-violet Rays on, 252 



— Bacterial Capsules, 464 



— Blood-plates in Sections of Organs, 365 



— Capsulated Bacteria in Body Fluids. 



253 



— Diphtheria Bacilli, New Method, 462 



— Embryonic Skeletal Structures, 465 



— Failures, 252 



— Intra-vitani, 464 



— Liishmania in Sections, 464 



— Living and Dead Bacteria, 252 



— Medullary Sheath of Nerves, 367 



— Method. jMuci-cannin, 115 



— Methods for Tubercle Bacilli, 865 



