772 



INDEX. 



Seeds, Oily, Aleurone-Grains, 442 



— Resistance to Low Temperatures, 204 

 Seeliger, O., Deep-Sea Fauna, 35 

 Segmentation of the Vertebrate Body, 32 



— Metameric, Relation in Petromyzon to 



that in Amphioxus and in Higher 

 Craniota, 29 

 Seibert's Apparatus for Vertical Photo- 

 micrography, 106 



— Laboratory Microscope, 101 



— Large Model Microscope No. 2, 354 

 No. 3, 101 



Polarising Apparatus, 104 



— Mineralogical Stand, 234 



— New Dissection Microscope, 101 

 Projection Microscope with Electric 



Light, 103 



— Travelling Microscope, 98 

 Selaginella, New Species, 578 



— Sporange and Oopliyte, 76 



— Sporangia, Spore-casting Mechanism, 



459 

 Selby, A. D., Resistance of Seeds to Low 



Temperatures, 204 

 Selenium and Tellurium Compounds, De- 

 composition by Moulds, OSS 

 Self-Pollination and Cross-Pollination, 71 

 Seligo, A., New Rotifers, 436 

 Sellards, E. H., Fossil American Ferns : 

 Fertile Fronds of Crossotheca and 

 Myriotheca, 671 

 Sematophyllum, European Species, 673 

 Semicircular Canals, Experiments on 

 Pigeons in relation to, 544 



Lesion, 637 



Seminal Vesicles of Elk, Peculiar Process 



in, 293 

 Sencert, L., Variations in Human Verte- 

 bral Column, 424 

 Senft, E., Diatoms in Agar- Agar, 676 

 Sense-Hairs of Lepidopterous Larvae, 643 

 Sense-Organs, Multicellular, in Syncoryne 

 sarsii, 55 



of the Polychset Proboscis, 647 



Sensory Cells in Proboscis of Polychaets, 49 

 Septicaemia, Hemorrhagic, Classification, 



93 

 Sequoiacese, Embryogeny of, 70 

 Serapias, Study of the Genus, 577 

 Sericaria mori, Stigmata, 180 

 Sernander, R., Haptera of Lichens, 218 

 Sertoli's Cells. Function, 161 

 Sertularella, Revision of Genus, 55 

 Serum Media, Diphtheria Toxins in, 481 

 Seta? on Legs of Flies, 553 

 Seurat, L. G , Origin of Pearls, 39 

 Seward, A. C, So-called Phloem of Lepi- 



dodendron, 330 

 — Structure aud Affinities of Dipteris, 672 

 Severtzoft', A. N., Skull and Nervous Sys- 

 tem of Ceratodus, 634 

 Sex, Determination, 535 

 in Animal Development, 534 



Sex-Elements in Stylorhynchus, 58 

 Sex in Lepidoptera, Determination, 41 

 Sexes in the Composite, Distribution, 04 

 Sexual Development, Precocious, 541 



— Organs, Male and Female, Homologies 



in the Development, 206 

 Sexuality, Change of, in Plants, 71 



— in Spirogyra, 333 



— of certain Yeasts, 21 6 



Shaw, P. E., Electrical Method of Taking 



Microscope Measurements, 625, 728 

 Shear, C. L., American Fungi, 594 

 Shedd, O. M., Reaction and Nature of 



Oxidising Ferments, 455 

 Shell-fish and Typhoid, 693 

 Shifting of Lateral Organs through Mutual 



Pressure, Theory, 322 

 Shipley, A. E., Abysmal Antarctic Fauna, 



35 

 Shoemaker, D. N., Development of Ha- 



mamelis virginiana, 570 

 " Shot-hole " Fungi, 216 

 Shrimp, Larval Stages, 431 

 Shull, G. H, Quantitative Study in Bracts, 



Rays, and Disk-florets of Species of 



Aster, 326 

 Siedlecki, M., New Parasitic Infusorian. 



563 

 Sieve-tubes of Pinus, Histology, 195 



Precursors of, in Gymnosperms, 569 



Silicoflagellate Protozoa, 57 

 Siluroids, Distribution, 173 

 Silver-leaf Disease, 683 

 Silvestri, A., Dimorphism of Foraminifera, 

 656 



— Variations of Nodosaria scalaris, 656 

 Silvestri, F., Anterior or Cephalic Glands 



of Diplopoda, 553 



— Notes on South American Termites and 



their Termitophilous Associates, 302 



— So-called Microthorax of Insects, 643 



— Studies on Thysanura. 429 



Simon, S., Structure of the Wood in De- 

 ciduous and Evergreen Trees, 659 



Simpson, J. Y., Observations on Protozoa, 

 563 



Simroth, H., New Genus of Stylommato- 

 phora, 177 



Sine'ty, R. de, Spermatocytic Kineses in 

 Orthoptera, 43 



Sipunculus nudus, Central Nervous Svs- 

 tem, 309 



— Examining Nervous System, 373 

 Sisto, P., Haemolyniph Glands in Man and 



Mammals, 169 



Sisyra, Metamorphosis, 642 



Skeleton, Axial, in Amphibia, Develop- 

 ment, 27 



Skin of Vertebrates, Blue aud Green Co- 

 loration, :!3 



Skin-Pigment in Man and Monkeys, 296 



Skorikow, A. S., Geographical Distribution 

 of Priapulus, 1S6 



