INDEX. 



1003 



Spencer, C. A., Obituary of, 970. 



Spennothamnion torulosum, 291. 

 Sphferiacei, new Genus of, 637. 

 Sphaeroma serratum, Nervous Svotem 



and Sense-organs of, SS6. 

 Sphferotilus and Cladothrix, 97. 

 Sphagnacete, European, 773. 

 Sphagnum, A new German, 277. 



Austini, 82. 



Sphinx ligustri, Scent-apparatus of, 



238. 

 Spicula, Siliceous Sponge-, Organism 



which penetrates and excavates, 751. 

 Spicules, Fossil Sponge-, 471. 



, Sponge-, in Chert, 615. 



, Sponge-, on some Eemarkable 



Enlargements ©f the Axial Canals of, 



and their causes, 557. 

 Spiders, Poison-Glands of, 39. 

 Spinal Cord, Hardening, 952. 



, Eegeneration of, 17. 



Ganglia, Cells of, 16. 



Spio, Prefecundation in, 890. 

 Spiral Phyllotaxis in Floridefe, 290. 

 Pinion and Diagonal Eack-work, 



518. 

 Sptrogyras of the Environs of Paris, 



504. 

 Splenic Fever, Influence exerted on the 



Bacterium of, by Subjects refractory 



to it, 92. 

 Sponges. See Contents, xvii. 

 Spongilla, History and Classification 



of, 614. 

 Spongiophaea in Fresh-water Sponges, 



901, 974. '" 

 Sporangia in Halimeda, Formation of, 



504. 

 , Sterile, in Isoetes lacustris, De- 

 velopment of, 275. 

 Spore-diifusion in the larger Elvellacei, 



279. 

 Spores of Urocystis, Formation and 



Germination ef, 280. 

 Spring Flowers, Colours of, 916. 



, Hercules Warm, Algte of, 95. 



Squid, Eegeneration of Lost Parts in, 



587. 

 Squids, Giant, 586. 

 Stage, Bartley's Warm. 672. 



Diaphragms, Sliding, 520. 



, Seiler's Large, 520. 



, ToUes' Mechanical, 944. 



, Watson's Mechanical and Eotat- 



ing, 300. 

 Stagnation of the Microscope, 975. 

 Stain, Blue and Scarlet Double, for 



Nerve and many other Animal 



Tissues, 573. 

 Staining and Mounting Pollen, 137. 

 Animal and Vegetable Sections, 



Simple and Speedy Method of^ 137. 



Staining Bacteria, 888, 



, Double and Treble, 527. 



Foetal Yertebrse, Purpurine for, 



957. 



Infusoria and Anatomical Ele- 

 ments during Life, 527, 694. 



, Multiple, of Animal and Vege- 

 table Tissues, 869. 



Nuclei, 839. 



of Living L'nicellular Organisms, 



956. 



Suberized Membranes by Fuchsin, 



839. 



Stains, Blood, 721. 



Stamens, Explosive, 268. 



Stands, The Battle of, 815. 



Starch-grains. Formation of, 481. 



, Growth of, 909. 



Starches, Mounting, 535, 705. 



Steam and Smoke under the Micro- 

 scope, 864. 



Steatoda guttata and Linyphia tene- 

 bricola, Supposed Stridulating 

 Organs of, 40. 



Stem of Nyctagineae, Histology of, 

 622. 



Stems, Plant, Daily Periodicity in the 

 Crrowth of, 629. 



Stentor, Variety of, 616. 



Sterculiacese, Gum-passages in, 911. 



Stereoscopic Eve-piece, Abbe's, 298, 

 6S9. 



Sterile Sporangia in Isoetes lacustris, 

 Development of, 275. 



Sterilization of Animal and Vegetable 

 Liquids, 952. 



Sterlet, Development of, 720. 



Sternaspis scutata, Anatomy of, 457. 



, Organization of, 601. 



Sternum, Embryonic, 575. 



Stewart, C, On a Supposed new 

 Boring Annelid, 717. 



Stigmata of Insects, Structure of, 34, 

 729. 



Stirling's ' Practical Histology,' 71 1. 



Stokes' Immersion and the Shadbolt 

 Dry Objectives, 333. 



Stolterfoth, H., On a new Species of 

 Hydrosera (Wallich), 424. 



Stomach and Genital Organs of Astro- 

 phytidfe, 4G6. 



, Human, Epithelium of, 225. 



Stomata and Glands, Structure of, 623. 



, Structure of, 910. 



, Underground, 71. 



Stomatorhiza of Sacculina carcini, 601. 



Strasburger's ' Cell-formation and 

 Cell-division,' 621. 



Strassei-'s Method of Imbedding, 840. 



Strise of the Diatomacese, 787. 



Stria tion, Transverse, of Smooth Muscle- 

 Fibres, 720. 



