350 



INDEX. 



Roots, structure of, i. 375, 376; mode of 

 making sections of, i. 376. 



Ross, Mr., on correction of Object- 

 glass, i. 14, 15; his First-class Micro- 

 scopes, i. 73-76; his Achromatic Con- 

 denser, i. 103; his Students' Micro- 

 scope, i. 60, 61; his Simple Microscope, 

 i. 43-45; his Lever of contact, i. 177; 

 his Compressor, i. 126. 



Ross-Model for Compound Microscope, 

 i. 51, 52. 



Rotalia, ii. 67, 68, 89, 90. , 



Rotaline Foraminifera, ii. 67, 89, 90. 



Rotating Microscope, Browning's, i. 64, 

 65. 



Rotifer, anatomy of, ii. 55-58; repro- 

 duction of, ii. 58, 59; tenacity of life 

 of, ii. 59; occurrence of, in leaves of 

 Sphagnum, i. 343, ii. 53. 



ROTIFERA, general structure of, ii. 53- 

 63; reproduction of, ii. 58, 59; desic- 

 cation of, ii. 59; classification of, ii. 

 60-63. 



Royston-Pigott, Dr., see Pigott. 



Rush, stellate parenchyma of, i. 354, 

 355. 



Rust, of Corn, i. 323. 



Rutherford, Prof., his freezing Micro- 

 tome, i. 192, 196. 



Sable, hair of ii 264. 



Saccammina, ii. 78, 79. 



Saccharomyces, i 315. 



Saccolobium, spiral cells of, i. 361. 



Safety-stage, Stephenson's, i. 120. 



Salpingceca, ii. 32. 



Salter, Mr. Jas., on teeth of Echinida, 



ii. 144. 



Salts, crystallization of, ii. 318-323. 

 Salyia, spiral fibres of seed of, i. 361. 

 Salicylic Acid, as preservative, i. 210. 

 Sand-wasp, integument of. ii. 220. 

 Sandy tests of Foraminifera, ii. 77-85. 

 Sarcina ventriculi, i. 316. 

 Sarcode, of Protozoa, i. 222 note, i. 222. 

 Sarcoptes scabiei, ii. 249. 

 Sarsia, ii. 127. 



Saw-flies, ovipositor of, ii. 245. 246. 

 Scalariform ducts of Ferns, i. 344, .366. 

 Scales, of cuticle of Plants, i. 378, 379. 



of Fish, ii. 261-263. 



of Insects, ii. 220-228; their use 



as Test-objects, i. 167-173. 



of Reptiles and Mammals, ii. 



263. 



Schiek's Compressor, i. 126. 

 Schizomycetes, i 307-313; their Zymotic 



action, i. 313-315. 

 Schizonemece, i. 299. 

 Schultz's test, i. 208. 

 Schultze, Prof. Max, on Protoplasm, i. 



222 note; on movement of fluid in 



Diatoms, i. 273; on surface-markings 



of Diatoms, i. 277 note. 

 Schulze, Mr. A., on use of Illuminators, 



i. 110. 



Schwann, doctrines of, ii. 252. 

 Schwendener, on Lichens, i. 329. 

 Scissors, for microscopic dissection, i. 

 188; for cutting thin sections, ii. 188. 



Sclerogen, deposit of, on walls of Cells, 

 i. 359, 360. 



Scolopendrum, sori of, i. 345. 



Sea Anemone, ii. 135, 136. 



Section-cutting Instruments, i. 189-193. 



Section-lifter, Marsh's, i. 205. 



Sections, thin, mode of making, of Soft 

 substances, i. 188-196; modes of 

 mounting, i. 212-214; of Hard Sub- 

 stances, i. 196-200. of Foraminifera, 

 i. 198 note; of Leaves, i. 382; of Wood, 

 i. 376; of Echinus-spines, ii. 146, 147; 

 of Insects, ii. 219; of Bones and 

 Teeth, ii. 258; of Hairs, ii. 266. 



Seeds, testae of, i. 386-388; spiral cells 

 in, i. 361. 



Segmentation of Yolk-mass, ii. 185, 187. 



Selaginellece, i. 350. 



Selenite Stages, i. 112-114. 



Sepiola, eggs of, ii. 191. 



Sepiostaire of Cuttle-fish, ii. 180, 325. 



Serialaria, colonial nervous system of, 

 ii. 160. 



Serous Membranes, structure of, ii. 

 274. 



Serpentine-Limestone, ii. 101-107, 310. 



Sertularidce, ii. 129-131. 



Sexual Generation, lowest forms of, in 

 Protophytes, i. 229, 230, 236, 237; in 

 Infusoria, ii. 26-30. 



Shadbolt, Mr., on Arachnoidiscus, i. 

 293: his Annular condenser, i. 107 

 note; his Turn-table, i. 184. 



Shark, teeth of , ii. 258,259; scales, etc., 

 of, ii. 263. 



Shell, of Crustacea, ii. 214, 215; of 

 Echinida, ii. 140, 141; of Foramini- 

 fera, ii. 68-70; of Mollusca, ii. 172- 

 180; Fungi in, i. 321. 



Shrimp, shell of, ii. 215. 



Side Illuminators, i. 114-116. 



Side- Reflector, Beck's, i. 116, 117. 



Siebert and Kraft's Dissecting Micro- 

 scope, i. 46. 



Siebold, Prof., on reproduction of Bee, 

 ii. 247. 



Silica crack-slide, i. 152, 162, ii. 321. 



Siliceous Epiderms, i. 349, 379. 

 - Sponges, ii. 120, 121. 



Silk-worm diseases, i. 315-317. 



Silver, crystallized, ii. 319. 



Simple Microscope, optical principles of, 

 i. 18-22; various forms of, i. 43-51. 



Siphonacece, i. 250, 251. 



Siricidce, ovipositors of, ii. 245, 246. 



Skin, structure of, ii. 274, 275; papillae 

 of, ii. 284, 285, 298. 



Slack, Mr., on Pinnularia, i. 298; on 

 artificial Diatoms, i. 277 note; his 

 Diaphragm-Eyepiece, i. 95; his Light- 

 modifier, i. Ill; his Stage- vice, i. 121; 

 his Compressors, i. 126, 127; his Silica 



