INDEX. 



751 



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



Raphides in plants, 337 



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



condenser, 174. 

 Re-agents, effects of, 726. 

 Redfern on separating navicula', 435. 

 Red seaweeds, 271. 

 Reflector, parabolic, 179, 182. 



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 crdl, 677. 

 Robertson, J., on pholas, 5ol. 

 Ross's compressorum, 195. 



microscopes, 78 



object-glasses, 74. 



Rotiferai, 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 podura, 628. 



Scapander, tongue of, 542. 

 Schultze, Dr., on rhizopoda, 375. 



on the diatom valve, 41:2. 



Schwann's classification of tissues, 692. 

 Scissors, dissecting, 202. 

 Sea-cucumbers, 508. 



lilie.s, 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. 

 Sertulariadse, 476. 



• pumila, 477. 



setacea, 477. 



Sliadbolt, Mr., on collecting, 248. 



Sheep-tick, 633. 



Shell, structure of, 546. 



artificial formation of, 551. 



Sheppa rd, J. B. , on coloured monads,413. 



Silk, 354. 



Silkworm moth, antenna of, 608. 



Silkworm's breathing aperture, 5S6. 



Single microscope, 4. 



Skin, capillaries of, 675. 



fungoid diseases of, 296. 



nerves 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 obji^cts, 427. 



Sollitt's prism illumination, 175. 



Sorby's standard interference spec- 

 trum, 738. 



spectroscope, 123. 



Sori of fe)-ns, 315. 



Sphacelaria cirrhosa, 269. 



Spectro-microscopy, 119. 



Spectrum analysis, 735. 



Speculum, Lieberkiilm's, 181. 



Spencer, Herbert, on the formation of 

 fibre in plants, 325. 



Sphagnum, 309. 



Spheeriacei, 294. 



Sphiserosira volvox, 276. 



Spiders, 644. 



diving, 647. 



Spiderwort, 350. 



Sponges, 385. 



motile phenomena in, 389. 



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, jjolarised, 154. 



tests for, 283. 



Star-fishes, 495. 



Staurastrum, 282. 



Stellate tissue from a rush, 333. 



Stentors, 450. 



Stephanoceros, 458. 



Stephanosphffira pluvialis, 2G5. 



Stichostegidte, 276. 



Stinging-nettle hairs, 324. 



Stokes's, Prof., ab.sorptinn bands, 12.?. 



Stomach, mucous membrane of, 609, 



Structure of shell, 529. 



Suctoria, 629. 



Sugar insect, 638. 



cane, section of, 336. 



Surirella constricta, 4 :.*(). 



Swamraerdam's dissection of insects, 

 579. 



Synapta chirodota, 603. 



Synaptidte, 508. 



Tadpole, circulation of, 68'.i. 



gill of, 686. 



TseniadiP, 563. 



