INDEX. 



763 



Saw-fly, 016. 

 Scales of fish, 721. 



of lepidoptera, 609. 



of podura, (528. 



Scapander, tongue of, 542. 

 Suhultze, Dr., on rhizopoda, 375. 



on the diatom valve, 422. 



Schwann's classification of tissues, 



692. 



Scissors, dissecting, 201. 

 Sea-cucumbers, 508. 

 jelly fish, 491. 



lilies, 497, 505. 



slug, 529. 



soundings, 3S3. 



urchins, 498. 



Section-cutting machine, 204, 239. 

 Sections, method of making, 2u3. 

 Seller's test-slide, 165. 

 Selenite, 142. 



stage, 148. 



Sepia, palate of, 541. 

 Serpula, 575. 

 Sertulariadse, 476. 



pumila, 477. 



setacea, 477. 



Sheep tick, 633. 



Shell, structure of, 546. 



artificial formation of, 551. 



Sheppard,J.B., on coloured monads, 



413. 



Silk, 354. 



Silkworm moth, antenna of, 608. 

 Silkworm's breathing aperture, 586. 

 Single microscope, 4. 

 Skin, capillaries of, 675. 



fungoid diseases of, 296. 



nerves of, 676. 



section of, 677. 



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

 Smith and Beck's microscope, 95. 

 Smith's, Prof., condenser, ISO. 



mechanical finger, 436. 



Snow, crystals of, 153. 



Sollitt on diatoms as test-objects, 426. 



measurement of markings on 



diatoms, 428. 



Sorby's standard interference spec- 

 trum, 738. 



spectroscope, 126. 

 Sori of ferns, 315. 

 Sphacelaria cirrhosa, 2G9. 

 Spectro-microscopy, 122. 

 Spectrum analysis, 735. 

 Spencer, Herbert, 011 the formation 



of fibre in plants, 325. 

 Sphferiacei, 294. 

 Bphaerosira volvox, 276. 

 Sphagnum, 309. 

 Spiders, 644, 



diving, 647. 



Spiderwort, 350. 

 Sponges, 385. 



skeletons of, 396. 



spicula from, 387, 390. 

 Bpongia coalita, 388. 



Spongia ^eodia, 390. 

 Spongilla cinera, 391. 



alba, 392. 



development of, 389. 



gemmules of, 400. 

 Spring-clip, 211. 



Staining animal and vegetable 

 tissues, $24. 



Groves on, 230. 



Schafer'd method, 234. 



Stirling's method, 227. 



Starches, 343. 



in plants, 342. 



potato, polarised, 155. 



tests for, 283. 



Star-fishes, 495. 

 Staurastrum, 282. 

 Stellate tissue from a rush, 333. 

 Stentors, 450. 

 Stephanoceros, 458. 

 Stephanosphoera pluvialis, 265. 

 Stepheiison's safety-stage, 46. 



catoptric illuminator, 185. 



on homogeneous immersion, 83. 



Stichostegidfe, 276. 

 Stinging-nettle hairs, 324. 

 Stokes's, Prof., absorption bands, 



131. 



Stomach, mucous membrane of, 669. 

 Structure of shell, 529. 

 Suctoria, 629. 

 Sugar insect, 638. 



cane, section of, 336. 



detection of, 156. 



Surirella constricta, 420. 

 Swammerdam's dissection of insects, 



579. 



Swift's condenser, 181. 

 microscope, 109. 

 microtome or section-cutter, 

 239. 



taper object-glasses, 60. 



Syiiapta chirodota, 503. 

 Synaptidse, 508. 



TADPOLE, circulation of, 683. 



gill of, 686. 



Taeniada?, 563. 

 Tapeworms, 563. 

 Tea, adulterated, 349. 

 Teeth, preparing sections of, 206. 

 of mollusca, how to prepare, 

 544. 



sections, mounting of, 208. 



Terebratula, 536. 

 Teredo, 531. 

 Test-objects, 423, 610. 

 Testaoella, tongue of, 542. 

 Theory of microscopical vision, 19. 

 Thomas on crystallization, 730. 

 Thompson on mollusca tongue?, 543, 



Prof. W., on sea-Lilies, 49?. 



Thread cells, 544. 

 - in actiniae, 467. 



in mollusca, 544. 



Thuiarea, 478. 



