818 



INDEX. 



Spliaeroplasts and Mitochondria of 



Infusoria, 561 

 Sphagna, European, 578 

 8phaguological Notes, 323 

 Spliagnum, Stem Leaves. 192 

 Spbecidse, Argentine, 421 

 Spheroineter, Abbe, Bleasurement of 



Highly Curved Lenses, 483 

 Spicule-formatiou in Eehinoderms, 308 



— Studies, 682 



Spicules, Factors in Production, CSS 



— of Synapta and Auricularia, 681 

 Spider Threads, 677 



Spiders' Eyes, Structure, 424 

 Spinach, INIildew, 597 

 Spinal Ganglia, Studying, 233 

 Spirilla in Sputum, Staining, 498 

 Spirillosis of Embryo of Chick, 89 



— of Fowl, 314 



Spirillum of Tick Fever, Demonstrating 



Presence, 495 

 Spirit-vinef^ar and Wine-vinegar, Bacteria, 



356 

 Spirocliieta anodontm and S. balbiani. 

 Studying, 495 



— balbiani and S. anodontx, Studying, 



495 

 Examining the Undulating Mem- 

 brane, 494 



— dentium and BaciJl'is fitsij'ormis, Culti- 



vating, 489 



— pallida, Artiticial Cultivation, 107 

 Fixation, 243 



in Syphilitic Sections, 52 



ISIorphology, 86 



Staining, 245 



Spirochsete, Syphiiitic, so-called, Criti- 

 cisms, 381 

 Spirocliietcs, Cimex lectidarius in Eelation 

 to, 302 



— Movements and Structure, 563 

 Spirogyra, Nuclear Division, 505 



— Observations, 699 



— Studying Nucleus and Kinesis, 490 

 Spirorbis, Operculum, 679 



Spitta, E. J., "Microscopy," 743 

 Splachnobryum, New, and its peculiar 



Peristome, 324 

 Sponge Spicules, 51 



— Antarctic, 561 



— Fresh-water, of India, 433 



— New Siliceous, from Africa, 51 

 Sporangium of Equisefuin hyemale, 



Studying, 494 



— of Ophioglossales, 694 



Spores in Myxosporidia, lutracystic Dehis- 

 cence, 314 



— of Diatoms, 72 



— of Ferns and Mosses, Germination, 321 



— Sexual Polarity in Dioicous Mosses, G8 



— Synchytrium, Germination, 201 

 Sporogonium of Notothylas, Development, 



585 



Sporophyl! in Ophioglossacese, IMor- 



pholdgy, 445 

 S[iorophyte of Lycopndium, 574 

 Sporozoon Genus, New, from Nervous 

 System of Cephalodiscus, 684 



— Parasite in Blood of Yellow Fever, 314 

 of Ciona intesfinalis, 503 



of Pearl-oybt( r, 314 



Spot, Expanding, for Dark Ground 



Illumination, 362 

 Spraving, Value of, for Plant Diseases, 



461 

 Sputum in Cancer, Examining, 500 



— Staining Spirilla in, 498 

 Squamosal Bone in Tetrapodous Verte- 



brata, 30 

 Squirrel, Studying Sperraiogenesis. 495 

 Ssinitzin, D., Life-history of Trematodcs 



of Fishes and Amphibians, 46 

 Stadler, A., Influence of Ciiromium on the 



Solubility of Carbon in Iron, and on 



Graphite Formation, 253 

 Stage, Mechanical, Leitz'^Largc, 481 



Voigtlander's, Large, 618 



Eemovable, New Form 262 



vSwift'sTurrell, 218 



— Oscillating for Stereoscopic Micro- 



photography, Nachet's, 61 L 

 Stager, R., Notes on Ergot, 343 

 Stam, New IModiiicatiou of Iiomanowskv's, 

 497 



Orlean, for Cork and Cutieula, 498 



Staining and Fixing the CEnocytes of 



Torymus nigricornh. 108 



— Bacteria in Sections, 110 



— Cancerous Tissue, Ammonio-silvcr 



Method, 752 



— Carmin, of Glycogen and Nuclei, 110 



— Flagella, New Method, 751 



— Intra- vital, of Bone, 25 



— Inverse, 246 



— Liquid Blood, Simple Methods, 752 



— INIedullary Sheath of Nerves, 247 



— Mixture, Tetrachrome, 500 



— Negri's Corpuscles, 751 



— Nerve-cells, Modification of Donaggio's 



Method, 498 



— Objects. Ste Coxtents, xli 



— Slow, Method fur Accelerating, by Elec- 



tric Current, 751 



— Spirilla in Sputum, 498 



— Spirochieta pallida, 245 



— Tubercle Bacillus, New Blethod, 500 

 Stains, Fixing of, by Bacteria, 754 

 Stands, Microscope. See Contents, xxxvi 

 Stange, P., Rudiments of Wings and Ilal- 



teres in Melophagus, 675 



Standard Eye-pieces, Society's. See Ad- 

 dendum to Index, 826 



Starfish, Deep-sea, Eyes, 431 



Starfishes, New Deep-sea, 430 



— Californian, New, 48 

 Stargazer, Electric Organ, 31 



