INDEX. 
893 
Segmentation, Primitive, of Vertebrate 
Brain, 449. 
SelagineVci lepidophylla , 222. 
Selenka, E , Development of Apes, 316. 
, First Stages of Placental Union in 
Man, 315. 
Seligmann, J., Campanulacese and Com- 
posite, 63. 
Seliwanow, J., Reactions of Lignin, 488. 
Selle, G., Microscope Mirror for Illumina- 
tion by Reflected Light, 810. 
Semon, R., Morphology ot' Bilateral Ciliated 
Bands of Echinoderm Larvse, 202. 
, Relation of Mesonephros to the Pro- 
nephros and Supra-renal Bodies, 23. 
Sempervivum , Buds of, 64. 
Sendall, Sir W., Improved Method of 
making Microscopical Measurements 
with Camera Lucida, 705, 840. 
Sense-organ of Salpa , 179. 
Sense-organs, Dermal, of Crustacea, 734. 
Sensory Papillae of Haliclystus auricula 
var., 750. 
Septal-glands of Kniphofia , 366. 
Serafini, A., & J. Serata, Action of Woods 
on Micro-organisms transported by 
Winds, 647. 
Serpula dianthus , Anatomy and Histology 
of, 739. 
Service, R., Perichseta indica , 348. 
Setchell, W. A., Doassansia, 780. 
■ , Tuomeya fluviatilis, 378. 
Sewage, Chemical Bacteriology of, 829. 
Seward, A. C., Sphenophyllum and Astero- 
phylUtes, 73. 
Sexual Characters in Copepods, 737. 
Dimorphism of Copepoda ascidiicola, 
38. 
Nuclei in Plants, 623. 
Organs in Riella, 501. 
Sharp, B., Land Planarian, 742. 
, D., Terminal Segment of Male 
Hemiptera, 35. 
Shell, Growth of, Helix aspersa , 723. 
in Freshwater Rhizopods, 752. 
Shipley, A. E., Phymosoma, 348. 
Shore, T. W., Origin of the Liver, 174. 
Shrubsole, W. H., New Diatoms, Strepto- 
theca Tamesix , 785. 
Sicher, E., Embryology of Mites, 466. 
Sieve-fascicles in Secondary Xylem of 
Belladonua, 618. 
septum of Vessels, 364. 
tubes, Extra-phloem, 618. 
■ , , in Root of CEno- 
thereae, 619. 
of Filicineae and Equisetineae, 
775. 
Sigmoideomyces , new Genus of Hypho- 
mycetes, 506. 
Sigmund, W., Oil-decomposing Ferment 
in Plants, 221. 
Silicate-jelly as a Nutrient Substratum, 824. 
Siliceous Sponges, Demonstrating Struc- 
ture of, 422. 
Silicic Acid, Basis for Nutrient Media, 130. 
Silver, Fixing Preparations treated by, 
536, 830. 
Simek, F., Structure of Cotyledons, 764. 
Simmons, W. J., Biomyxa vagans, 753. 
Simon, T., Magnifying Instrument, 404. 
Simroth, H., The Genus Atopos , 724. 
Siphon-dropping-bottle, Capillary, 652. 
Siphoneae, New Genus of, 227. 
Sipunculus Gouldi , Anatomy of, 42. 
nudus, Anatomy and Histology, 598. 
, Mode of Investigating, 684. 
Sirena, S., Micro-organisms of Influenza, 
388. 
Sjobring, N., Parasitic Protozoid Organism 
in Cancer, 357. 
Sladcu, W. P., Echinodermata from South- 
west Ireland, 604. 
Slater, C., Red-pigment-forming Organ- 
ism, 640. 
Sleep-movements of Leaves, Influence of 
Gravitation on, 373. 
Sle.-kin, P., Silicate-jelly as a Nutrient 
Substratum, 824. 
Slides, Cleansing used, 833. 
Slime, Mucilaginous, on Trees, 784. 
Sloan, A. D., Halistemma in British 
Waters, 481. 
Slugs, Geographical Distribution of, 582. 
Smirnow, A., Preparing Nervous Tissue of 
Amphibia, 420. 
Smith, A. L., Cystocarp of Callopliyllis, 629. 
, E. A., Mollusca of Torres Straits, 581. 
• , T., Acid- and Alkali- formation by 
Bacteria, 82. 
, Observations on Variability of Dis- 
ease Germs, 245. 
, Remarks on Production of Acids and 
Alkalies in Bacteria, 515. 
Snails and Plants, Relationship, 499. 
Snowdrop, Variations in the Flower of, 63. 
Sokolowa, C., Formation of Endosperm in 
the Embryo-sac of Gymnosperms, 623. 
Solenogaster, Development of a, 27. 
Solger, B., “ Intermediate Body ” in Cell- 
division, 715. 
, Pigment-cells, 580. 
, Polar Bodies of Balanus, 38. 
Soppitt, H. T., Puccinia digraphidis, 78. 
Sorex, Germinal Layers in, 317. 
Sound-organs of Dytiscidse, 589. 
Special Meeting, 837, 842. 
Species, Variations in Anatomical Struc- 
ture of same, 487. 
Spectacles, History of Invention of, 269. 
Spectrum of Chlorophyll, 486. 
Spencer, W. B., Formation of Double 
Embryo in Hen’s-egg, 21. 
■ , New Family of Hydroida, 482. 
, Nomenclature of Chicken Embryos, 
318. 
