INDEX. 



761 



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 navicular, 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, 388. 



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. Hyde, 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 poduia, 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, 203. 

 Selenite, 141. 

 Sepia, palate of, 541. 

 Serpula, 575. 

 Sertulariadae, 476. 



 pumila, 477. 



setacea, 477. 



Shadbolt, Mr., on collecting, 248. 



Sheep-tick, 633. 



Shell, structure of, 546. 



artificial formation of, 551 



Sheppard, J. B.,oncoloured monads, 413. 



Silk, 354. 



Silkworm moth, antenna of, 60S. 



Silkworm's breathing aperture, 586. 



Single microscope, 4. 



Skin, capillaries of, 675. 



fungoid diseases of. 296. 



nerves of, 67ii. 



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, 181. 



Spencer, Herbert, on the formation of 

 fibre in plants, 325. 



Sphagnum, 809. 



Sphasriacei, 294. 



Sphajrosira 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. 



Stephanosphawa pluvialis, 205. 



Stichostegid*, 276. 



Stinging-nettle hairs, 324. 



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



Stomach, mucous membrane of, 669, 



Structure of shell, 529. 



Suctoria, 629. 



Sugar insect, 638. 



cane, section of, 336. 



Surirella constricta, 420. 



Swammerdam's dissection of insects, 

 579. 



Synapta chirodota, 503. 



Synaptida?, 508. 



Tadpole, circulation of, 683. 



gill of, 686. 



Tseniadif, 563. 



