INDEX. 



773 



Skull and Nervous System of Ceratodus, 



634 

 Slide-Brake of Jung's Microtome, 375 

 Slides, Cleaning, Method, 503 

 — . See Contents, xxxviii 



— Stand for Holding, 259 



Slonaker, J. R., Method for "Washing, 

 Staining, and Dehydrating Small Speci- 

 mens, 378 



Slosson, M., Hybrid Origin of Asplenium 

 ebenoides, 672 



Slow-worm and Lizard, Branchial Clefts, 

 634 



Slupski, K., Does Anthrax form Spores 

 under Anaerobic Conditions? 107 



Small Specimens, Washing. Staining and 

 Dehydrating, Method, 378 



Smegma Bacilli and Tubercle, Differential 

 Staining, 256 



Smidt, H., Free Intraepithelial Nerve- 

 endings in Helix, 176 



Smith, G. E., Brain of Macroscelides pro- 

 boscideus, 637 



Smith, R. E., Parasitism of Botrytis cinerea, 

 590 



Smith, R. G., Bacteria and the Disintegra- 

 tion of Cement, 89 



— Cultivation of Rhizobium leguminosarum, 



108 



— Vibrio denitrificans, 93 

 Smut of Cereals, 591 

 Snail, Blood, 640 

 Snakes, Variation, 424 



— Venom, 638 



Soar, C. D., New British Hydrachnid, 554 



Sodium Silicate as a Mounting Medium 

 for Microscopical Preparations, 622 



Solenogastres, Systematic Position, 641 



Solutions, Concentrated, Adaptability of 

 Infusoria to, 192 



Sommier, S., Petalophyllum Ralfsii, 674 



Sosnowski, J., Changes in the Geotaxis of 

 Paramcecium aurelia, 191 



Soulie, H, Culicidse of Algiers, 643 



Soulier, A., Fixation of Polychseta Em- 

 bryos, 373 



Southwell, T., Hermaphroditism in Her- 

 ring, 421 



Sparrow, Spermatogenesis, 293 



Spawning Period of Mussels, 17S 



Species, Concept of, 542 



Spectrum, The New, 247 



Spengel, J. "W., Genera of Enteropneusta, 

 310 



Sperlich, A., Suckers of Green Rhinantha- 

 cese, 323 



Spermatids and their Parts, Movements, 

 162 



Spermatogenesis and Fecundation of 

 Zamia, 201 



— and Oogenesis in IAthobins forficatus, 



304 



— in Insects, 178 



Spermatogenesis in Newt, 538 



— in Phalangista vulpina, 419 



— in Sparrow, 293 



— Insect, Accessory Chromosome, 41 



— of Oniscus asellus, 47 



— of Scolopendra, 182 



— Tetrads, 162 

 Spermatozoa, Atypical, 632 



— Expulsion in Sciara, 551 



— of Allolobophora fcetida, 648 



— Rheotactic Properties, 161 



— Two-tailed, 538 

 Spermatozoon and Zoospore, 57 



— of Rat, 538 



Spermotoxin, Influence on Fertilising 



Power of Spermatozoa, 26 

 Speschnew, N. N. v., Black Rot of Vine, 



470 

 Sphacelariaceae, 211 



Sphseridia, Function in Sea-Urchins, 437 

 Spider Collection, Arrangement, 554 

 Spiders, Classification, 554 



— of Germany, 645 

 Monograph, 45 



— Tracheae, 645 

 Spinal-cord, Membranes, 169 

 of Birds, Accessory Lobes, 295 



— — Staining Grey Matter after Mordant- 



ing with Metallic Salts, 500 

 Sections with Ccerule'in S, 717 



— Ganglion-Cells, Reticular Apparatus, 



635 

 Spinax, Spines, 423 



Spiraea, Development of Flower^and Em- 

 bryo, 667 

 Spirogyra, Abnormal Conjugation, 80 



— Sexuality, 333 



Spitta, E. J., An Apparatus for obtaining 

 Monochromatic Light with a Mixed Jet, 

 727 



Spleen, Circulation in, 169 



Sponge, New Calcareous, 312 



Sponges, Algerian, 562 



— from New South Wales, 190 

 Sporange and Oophyte of Selaginella, 76 

 Spore-casting Mechanism of Selaginella 



Sporangia, 459 

 Spore-Distribution, 330 



in a Lichen, 339 



Spore-formation in Cholera Bacilli, 90 

 Spore-Germination and Light, 324 



in Higher Fungi, 472 



Spores for Testing Methods of Disinfec- 

 tion, &c, Preparation, 227 



— of Ferns, Germination, 78 



— of the Uredineae, Storing up of Water 



in, 85 

 Sporodinia grandis, 588 

 Sporozoon, New, 313 



Spuler, A., New Method for Staining en 

 masse, 114 



of Staining in Bulk, 378 



Spurge, Action on Salmonoid Fishes, 425 



