1002 



INDEX. 



Seeds, Formation of Xauthiu in the 

 Germination of, 918. 



Seibert and Kraft's Dissecting Micro- 

 scope, 814. 



Seiler's Compendium of Microscopical 

 Technology, 546. 



Imbedding Substance, 840. 



Large Stage, 520. 



Seison, 244. 



Selachians, Embryology of, 9. 



Semper's Method for Dry Preparations, 

 706. 



Sense-organs and Nervous System of 

 Sphseroma serratum, 886. 



in Insects, Axis-cylinder and 



Peripheral Nerve-cells in Relation 

 to, 446. 



Sensitive Organs of Plants, Action of 

 Anaesthetics on, 917. 



Sensory Piods of First Pair of Antennae 

 in Crustacea, 241. 



Sepia, Structure and Histology of the 

 Ink-bag of, 227. 



Septicasmia, Fatal Form of, in the 

 Eabbit, produced by the Subcu- 

 taneous Injection of Hiunan Saliva, 

 779. 



Septoria Castancse, the Chestnut Dis- 

 eabe, 777. 



Setting the Front Lens of Oil-immersion 

 Objectives, Seciu-e Method of, 121. 



Sexes, Experiments on the Origin of 

 the Diiferenoe between, 874, 



Sexual Characters of Halisarca lobu- 

 laris, 610. 



Dimorphism in Echinoderms, 51. 



Generation and Germination of 



the Marattiaceae, 79. 



Organs of the Phalangidae, 447. 



Eeproduction of Phaeosporeae, 



929. 



of the Bangiaceaj, 97. 



Shadbolt Dry, and the Stokes Immer- 

 sion Objectives, 333. 



Shadbolt, G., The Apertures of Micro- 

 scope Objectives, 147, 150, 154, 376. 



Shade, Eye-, fur Monoculars, 518. 



Sheep, Protecting against Charbon, 

 Inoculation as a Cleans of, 499. 



Shining Slave-makers (Polyergus luci- 

 dus), 444. 



Shoots,Endogenous, in Algae, Formation 

 of, 289. 



Shortened Development in the Dis- 

 comedusae, 896. 



Shrubsole, W. H., The Diatoms of the 

 Londi.u Clay, 381. 



Sidle's " Acme " Lithological Micro- 

 scope, 937. 



" Congress " Turntable, 959. 



New " Acme ' Microscope, 115. 



No. 4 " Acme " Microscope, 057. 



Sieve- tubes of Dicofykdonous Plants 

 72. 



Silica, Grains of, and Micrococci of the 

 Atmosphere, 502. 



Siliceous Sponge-Spicula, Organism 

 which penetrates and excavates, 751. 



■ Sponges, new Group of — The 



Plakinidae, 64. 



Silk-]\Iercer's Microscope, 656. 



Silt Banks, Foraminiferous, of the Isle 

 of Ely. 473. 



Silver Films for Instruments of the 

 Camera Lucida Class, 819. 



Siphon, Life, and Current Slides, Hol- 

 man's, 143, 144. 



Siphoneae, Plurality of Nuclei in, 96. 



Siphonophora. Nervous System of, 468. 



Sipunculus nuilus, Anatomy of, 892. 



Size, Apparent, of Microscopical 

 Images, Difference in the Apprecia- 

 tion of by diiferent Observers, 829. 



Skin of Insects, Sensory Nerve-endings 

 in, 235. 



Slave-makers, Shining (Polyergus lu- 

 cidus), 444. 



Slide, Botterill Life-, 669. 



, Deby's Improved Growing-, 527. 



, Ease's Growing-, Zoophyle 



Trough, or Live-Box, 824. 



, Growing-, Goodwin's, 946. 



, Simple Growing-, 671. 



, Wight's Growing-, 672. 



Slide-holder, Bausch and Lomb Opti- 

 cal Company's, 124. 



Slides, Holman's Life, Cun-ent, and 

 Siphon, 143, 144. 



Sliding Objectives, 662. 



Stage Diaphragms, 520. 



Slip-cleaning Instrument, 362. 



Smith's ' How to See with the Micro- 

 scope,' 546. 



Kelner Eye-piece and Equilateral 



Prism as a means of Illumination, 

 g9g 



Object Plate and Finder, 663. 



" V-shaped Diapl.ragm," 665. 



Smoke and Steam under the Micro- 

 scope, 864. 



Soap for Preparing and Cleaning 

 Diatoms, 531. 



" Society" Screw, Gauges for, 375, 547. 



, Adaptati(m of, to Draw- 

 tubes, 118. 



Soft Parts of Euplectella aspcrgillum, 

 899. 



Sorby's Binocular Spectroscope, 822. 



Sorosporium, Structure and Germinar 

 tiou of, 925. 



Species, Discrimination of, 227. 



Spectra, DitFraetion, Apparatus for 

 Examining, 822. 



Spectroscope, Sorby's Binocular, 822. 



