

TSDEX. 



'■61 



Ralfs, Mr., on preservation of algae, 228. 



Raphides in plants, 337. 



Reade's, Rev. J. B., hemispherical 



condenser, 174. 

 Re-agents, effects of, 726. 

 Redfern on separating naviculse, 435. 

 Red seaweeds, 271. 

 Reflector, parabolic, 179, 1S2. 



Shadbolt's, Mr., 179. 



side, 182. 



Rhinoceros horn, 721. 



Rhizopoda, 372. 



Rhubarb cells, with raphides and 



starch, 3SS. 



spiral vessels, 355. 



Ringworm, 296. 



Roberts, Dr., on blood cell, 677. 

 Robertson, J., on pholas, 531. 

 Ross's compressorum, 195. 



microscopes, 78 



object-glasses, 74. 



Rotiferse, 452. 

 Rush, stem of, 333 



Salter, Dr. Htde, on muscle, 496. 



Salts, urinary, 149. 



Samuelson, J., on infusoria, 415. 



Sandstone, 729. 



Sarcina ventriculi, 295. 



Sarcode, 656. 



Saw-fly, 616. 



Scales of fish, 721. 



of lepidoptera, 609. 



of podura, 628. 



Scapander, tongue of, 542. 

 Schultze, Dr. , on rhizopoda, 375. 



on the diatom valve, 422. 



Schwann's classification of tissues, 692. 

 Scissors, dissecting, 202. 

 Sea-cucumbers, 508. 



lilies, 497, 505. 



jelly-fish, 491. 



slug, 529. 



soundings, 383. 



urchins, 498. 



Sections of tissues, 247. 

 Section-cutting machines, 2-03. 

 Selenite, 141. 

 Sepia, palate, of, 541. 

 Serpula, 575. 

 Sertulariadaj, 476. 



pumila, 477. 



setacea, 477. 



Shadbolt, Mr., on collecting, 248. 

 Sheep-tick, 633 

 Shell,»st met ure of, 546. 



artificial (urination of, 551 



Shepi>ar(l,J.I3.,oncolourcdmonacts,413. 



Silk, 354. 



Silkworm moth, antenna of, 60S. 



Silkworm's breathing aperture, 586. 



Single microscope, 4. 



Skin, capillaries of, 675. 



fungoid dispasesof 296. 



nerv s of, 676. 



Skin, section of, 677. 



Slack, H. J., on a new rotifer, 451. 



Smith and Beck's troughs, 197. 



oblique illuminator, 170. 



Smith's, Prof., condenser, 170. 



growing slide, 198. 



mechanical finger, 436. 



Mr. J., section-cutter, 203. 



Snow, crystals of, 152. 



Sollitt on diatoms as test objects, 427. 



Sollitt's prism illumination, 175. 



Sorby's standard interference spec- 

 trum, 738. 



spectroscope, 123. 



Sori of ferns, 315. 



Sphacelaria cirrhosa, 269. 



Spectro-microscopy, 119. 



Spectrum analysis, 735. 



Speculum, Lieberkuhn's, 1S1. 



Spencer, Herbert, on the formation nf 

 fibre in plants, 325. 



Sphagnum, 309. 



Sphseriacei, 294. 



Sphserosira volvox, 276. 



Spiders, 644. 



diving, 647. 



Spiderwort, 350. 



Sponges, 385. 



motile phenomena in, 



skeletons of, 396. 



spicula from, 387, 390. 



Spongia coalita, 388. 



geodia, 390. 



Spongilla cinera, 391. 



alba, 392. 



development of, 389. 



gemmules of, 400. 



Spring clips, 214. 



Starches, 343. 



in plants, 342. 



potato, polarised, 154. 



tests for, 2S3. 



Star-fishes, 495. 



Staurastrum, 282. 



Stellate tissue from a rush, 333. 



Stentors, 450. 



Stephanoceros, 458. 



Stephanosphsera pluvialis, 265. 



Stichostegida?, 27o. 



Stinging-nettle hairs, 324. 



Stokes's, Prof., absorption bands, 128. 



Stomach, mucous membrane olj 669, 



Structure of shell, 529. 



Suctoria, 629. 



Sugar insect, 638. 



cane, section of, 336. 



Surirella constricta, 420. 



Swammerdam's dissection of insect*, 

 579. 



Synapta chirodota, 503. 



Synaptidae, 508. 



Tadpole, circulation of, 683. 



gill of, 686. 



TaeniaxLe, 5G3. 



