TNDFA'. 



677 



Sempervivum, Study of Rust on, 'MM) 

 Sensory Cells, Epidermoid, in Larval 

 Lamprey, 474 



— Sensory Organs, Central, in Petromvzon, 



r)7o 

 Se]jtic8Bmia, Jiacillaiy, of the Caterpillars 

 of Arcfia raja, :!1G 



— CoccobacilJary, of Cockchafer and Silk- 



worm, 4 1 T) 

 Septoria. Genus. 8S 

 Serpulidae, Vascular System of, 1«J() 

 Servettaz, — , Cultivation of jNlosses on 



Sterilized Media, 106 

 Servettaz, C, Development of .^losses, oOl 

 Seise, Fiin, of Prawns. 289 



— in Poly ch sets, Formation of, :!8») 



— PoUon-coUectiug, in Bees. 479 

 Setchell, W. A., Kelps of the United 



States and Alaska, 306 

 Sethocepludus eucecryphalus, Haeckel's, 295 

 Seurat, L. G., Nematode of the Dromedary, 



162 



— Oxyures of Uromastix, 69 



Sewavd, A. ('.. Fossil Selaginella in Sussex, 



396 

 Sex-cells, Origin of Mitoehrondria in, 15;] 



— Primitive, in Chick Embryo, 58 

 Sex -determination in Cattle, 472 

 Sexton, E. W.. New Species of Gammarus, 



290 



— Observations on Gammarus chevreuxi^ 



290 

 Shann, E. W.. Adipose Lobe of Salmon's 



Pelvic Fin, 284 

 Shaw, F. J. F. , Morphology and Parasitism 



of Khizoctonia, 89 

 Shearer, C, Echinoid Hybrids, 165 

 Sheep. Influence of Gonads on, :>S2 



— Inltstinal Flora of, 316 



Sheppurd, E. J., The Structure of tJie 



Nucleus, 446. 465 

 Shiga. K.. Organism of Wliooping-cough, 



413 

 Shiino, K. Simple Demonstration Ocular, 



526 

 Siddall, J. D.. Life-history of Marine 



Diatoms, 83 

 Sidisia, Structure of, 388 

 Sieve-tube, Evolution of, 393 

 Sieve-tubes. Nucleus of, 499 

 Silicic Acid, Etf. ct of, on BlastoiuLUCs and 



Somatic ( ell^, 283 

 Silk-moth, Spermatogenesis in, 384 

 Silk' worm, Coccobacillary Septicaemia of, 



415 



— Mosaic, 480 



Silver, German, Micro-stjucture of, 539 



Silver-leaf Disease, Discussion of. 517 



Silver-zinc Equilibrium, 332 



Simocephalus vetulus, Transmission of En- 

 vironmental Eftects on, 485 



Sinova, E. S., Algje of the Murman Coast, 

 509 



Siphoneaj. Marine, Callose in, 305 

 Siren, Vestiges of Scales in, 156 

 Sirodotia, New Genus, 305 

 Skeleton, ( 'ranial and Visceral, in Lamprey, 



Development, 575 

 Skin, ^lieroscopical Examination of, 633 



— of Geckos, 61 



— of the Carp, 155 



Ski-jabin, K. J., Fluke from Penguin's 

 Gall-bladder. 293 



— New Trematodes from Birds, 4S9 

 Skull of Anguh fragilh. Development of, 



569 

 Slag Inclusious in Steel, 220 

 Slides, Marking of, 432 

 Slime-forming IJacterium, 519 

 Smirnoff, S., Spyrogyra horysthenica, 603 

 Smith, G.. Life-cycle (jf Moina rectiro*tri$, 



159 



— Sterile and Hybrid Pheasants. 472 

 Smith, G. M.. Tetra<Jfsmus wisconsinensigy 



304 

 Smith, G. W., Structure of Land ( rav- 



fishes. 482 

 Smuts, Grass, Two New. 608 

 Snail's Liver, Calcigerons Cells in, 578 

 Sohnger, N. L., Paraffin as Source of 



Energy, 423 

 Soil, Fungi of, 90 

 Soils. Bacteriological Examination of, 632 



— Demonstrating Presence of Pr. itozoa in, 



329 

 Sokolar, F., Sculpturing of Elytra in 



Carahus violasceus, 480 

 Solenotsenia cipen's, 489 

 Solutions, Stock, Dilution of, 331 

 Sopp, O. J. O., Insect-destroving Funs;i, 



514 

 Southern, R., Marine Oligocha'te from 



Clare Island, 584 

 Spaeth, R. A.. Contraction of Melano- 



phores of Fishes, 574 

 Sparrow, Development of Thymus of. 278 

 Spatangids, Study of, 388 

 Spenuel, J. W., Head-lobes of Eciiiurids, 



68 

 Spermatogenesis in Blasia, 177 



— in Polytrichum, 177 

 —-in Silk-moth. 384 



— Maturation and, in Cyclops. 582 



— of Aniphibian-i, 569 

 Spermatozoa, Absorption of. in Pomace 



Fly, 287 ■ 



— Antagonism, of Different Animals. 150 



— of Aard-V^ark, 58 



— of Gorilla, 377 



— of Ortiioptera, 385 



— Structure of, 277 

 Spennatozopsis exsaUans, 505 

 Sjiermogouium, Now Type of, and Fertili- 

 zation in Collema. !'t 



Sphaerotilus, 440, 462 

 Sphagna, Philippine, 82 



