Slid 



INDEX. 



Steel, Cementation, 2H9 



— ( Solour-etching, 561 



— Crystallization, S'2S 



— Influence of Nitrogen on Cementation, 



558 



of Vanadium on Iron and, 827 



- Ingots, Welding up of Blowholes and 

 Cavities, 713 



— Internal Structure of Pearlitic, 828 



— Mild, Influence of Manganese, 558 

 Influence of Segregation on the 



Strength, 270 



— Nickel, Changes occurring in, 713 



— Slag, 271 



— W"ire,Effect of Galvanizing on Strength, 



559 

 Steels, Alloys, Cementation, 713 



— Carbon, Theory of Hardening, 271 



— Chromium, 827 



— Magnetic Properties of Nickel, 827 



— Nickel, 827 



— Resistance to Abrasion and to Crushing, 



714 

 Stehli, G., Evolution of Reptilian Scales, 



193 

 Steinbrinck, C, Desiccation-phenomena in 



Mosses, 381 

 Steiner, J., Lichens in Italy, 801 

 Steinmann,P., Regeneration in Planarians, 



626 



— Revision of Swiss Triclads, 627 

 Stele, Development in Dipteris, 644 

 Stelfox, A. W., Molluscs of Ireland, 356 

 Stems, Effect of Longitudinal Compression 



upon the Production of Mechanical 



Tissue, 373 

 Stenobrothus viridulus. Spermatogenesis, 



617 

 Stephani, F., Goebeliella, a New Genus, 



655 



— Species Hepaticarum, 227 



— and others, Bryophyta of German Cen- 



tral Africa, 496 

 Stephenson, J., Bothrioneurum iris, 469 



— Littoral Oligochseta of the Clyde, 



758 



— Nemertines of Millport, 761 



— Oligochset Commensals in Spongilla 



carteri, 469 



Stereo-photomicrography, Sliding Nose- 

 piece for use in, 95 



Stereocaulon, American Species, 89 



— Systematic Position, 519 



Stereoscope, Phenomena of Visual In- 

 hibition which may accompany the 

 re-association of the two Retinal 

 Images dissociated by the Prisms. 

 Conditions and Determination of these 

 Phenomena, 410 



Stereoscopic Illusion, 411 



— Photomicrography, 816 

 Sterility, 30 

 Sterilization by X-Rays, M17 



sterilization Process, Anthrax, applied to 



Hides in Dry State. 266 

 Sterling, 8., Musculature of Pectoral Girdle 



and Flipper in ( 'etacea, 192 

 Stevens, F. L., Diseases of Economic Plants, 



84 

 Stewart, F. II., Development and Minute 

 Structure of Scalpellum and Ibla, 755 

 Stichococcus bacillarie, 387 



Effect of Coloured Light, 387 



Stiles, M. II., Algse of the Sheffield Dis- 

 trict, 230 

 Stilesia and its Relatives, 362 

 Stipes of Fossil Asteroeldaena, 61 

 Stirton, J., New Scottish Mosses, 228 

 Stole, A., Encystation in Pelomyxa, 631 



— Studies on Pelomyxa. 631 



Stomoxys calcitrant, Dissemination of 

 Disease by, 463 



— Oriental Species, 618 



Strachan, J., On the Structure of Scales 

 from Thermobia domestica (Packard), 

 572, 717 



Stratiomydae, Post-embryonic Develop- 

 ment, 199 



Strecker, F., Simultaneous Fixing and 

 Staining, 702 



Strecker, J. K., Notes on the Robber Frog, 

 460 



Streeter, E. C, Bacillus of Acne, 262 



Strephonema, Remarks, 485 



Streptococcus and Pneumococcus, Viru- 

 lence, 245 



Streptothrix, Anaerobic, 803 



Streptotricheae, Presence in Tuberculous 

 Sputum, 522 



Stresses in Cold-worked Metals, 562 



Strickland, C, Development of Trypano- 

 soma lewisi in Rat-flea, 58 



— Parasites of Biliary Fever in Horses, 



369 

 Stromberg, H., Change of Biulogical 



Characters in Bacteria, 522 

 Stromer, E., Fossil Lepidosirenida?, 460 

 Stromsten, F. A., Lymph-hearts of Turtles, 



455 



— Structure and Development of Posterior 



Lymph-hearts of Turtles, 346 

 Strongylus pinguicola, 205 

 Structural Analogy, Interesting, 191 

 Structure of Seed Plants, Reproduction. 



See Contents 

 ■ Vegetative. See Contents 



— of Yeast-Cell, Demonstrating, 262 

 Sub-microscopic Structures, Methods for 



the Identification, 810 

 Suctoria, New Type, on a Copepod, 477 

 Suctorial Disks of Male Dytiscids, 198 

 Sulc, K., Symbiosis of Yeasts and Insects, 



616 

 Sullivan. M. X., Reduction by Roots, 483 

 Sulphur, Influence on the Iron-carbon 



System, 418 



