722 



INDEX. 



Reindeer, hair of, 595. 

 REPTILES, bone of, 587 ; teeth of, 591 ; 

 scales of, 593 ; blood of, 598-600 ; lungs 

 of, 624. 



Resolving power of object-glasses, 187-189. 

 Rete Mucosum, 604. 

 Reticulated Ducts, 374. 

 Rhinoceros, horn of, 598. 

 RHIZOPODA, 47, 410,411. 

 Rhubarb, raphides of, 371. 

 Rhynconellidce, structure of shell of, 513-515. 

 Rice-Paper, 362. 

 Rocheafalcata, 390. 

 Rocks, structure of, 639. 

 Roots, structure of, 386 ; mode of making 



sections of, 386-388. 

 Rosalina, 439. 

 Ross, Mr., on adjustment of object-glass, 



76, 77. 



his Compound Microscope, 108- 

 110; his Achromatic Con- 

 denser, 131-133; his Simple 

 Microscope, 90-92 ; his lever 

 of contact, 216 ; his side re- 

 flector, 145 ; his eye-piece 

 Micrometer, 122. 

 Rotation of fluid in Chara, 324 ; in cells of 



Phanerogamia, 363-367. 

 Rotifer, anatomy of, 428-430 : reproduction 

 of, 431 ; desiccation of, 432; occurrence 

 of, in leaf-cells of Sphagnum, 426. 

 ROTIFERA, 57, 412 ; general structure of, 

 426-430; reproduction of, 430-432; desic- 

 cation of, 432 ^classification of, 432-434. 

 Rush, stellate parenchyma of, 362. 

 Rust, of Corn, 341. 



Sable, hair of, 595. 



Saliva, 684. 



Sarcode, 405-409. 



Sarcolemma, 655. 



Saw-Jlies, ovipositor of, 578. 



Scalariform due's of Ferns, 352, 353, 374. 



Scales, of cuticle of Plants, 390. 

 of Fish, 591-593. 

 of Insects, 556-561 ; their use as 



test-objects, 194. 

 of Reptiles and Mammals, 594. 



Schacht on fertilization of ovule, 399-401. 



Schleiden, Prof., his researches, 42; on 

 fertilization of ovule, 399-401. 



Schultz, Prof., his experiments on develop- 

 ment of Infusoria, 422, 423. 



Schultz's solution, 212. 



Schwann, doctrines of, 56. 



Scissors for microscopic dissection, 201-203 ; 

 for cutting thin sections. 204. 



Sclerogen, deposit of, on walls of cells, 367. 



Sea- Anemone, 474-476. 



Sealing-wax varnish, 219. 



Section-Instrument, 205-207. 



Sections, thin, mode of making, of soft sub- 

 stances, 204, 205 ; of substances of me- 

 dium hardness, 205-207; of hard sub- 

 stances, 207-211 ; of Wood, 386-388; of 

 Echinus-spines, 483, 484 ; of Bones and 

 Teeth, 587; of Hairs, 597. 



Seeds, microscopic characters of, 401-403. 



Segmentation of Yolk-mass, 521. 



SeFenite-Plate, 142. 



Self-division of cells; see Duplicative Sub- 

 division. 



Serous membranes, structure of, 604. 



Sertularidce, 463-465. 



Shadbolt, Mr., on Arachnoidiscus, 290. 



his Annular condenser, 139 ; his 

 Turn-table, 236. 



Shark, teeth of, 588, 589 ; scales, &c., of, 

 593. 



Shell, of Crustacea, 550, 551 ; of Echinida, 

 477. 478 ; of Mollusca, 506-517. 



Side- Reflector, Ross's, 145. 



Siliceous Cuticles, 358, 391. 



Silk-worm disease, 336. 



Simple Microscope, principle of, 77-81 ; 

 various forms of, 90-96. 



Siphonacece, 313-317. 



Skin, structure of, 604,605 ; papillae of, 605- 

 615. 



Slider-forceps, 226. 



Slides, glass, 214. 



wooden, 221, 222. 



Slug, rudimentary shell of, 516. 



Smith's, Prof. J. L., inverted microscope, 

 710; goniometer and micrometer, 712. 



Smith, Prof. W., on Diatomaceae, 301, 302. 



Smith and Beck's Dissecting Microscope, 

 103-105; their Large Compound Micro- 

 scope, 112-114 ; their Achromatic Con- 

 denser, 133; their Student's Microscope, 

 102, 103; their Educational Microscopes, 

 89. 



Snake, lung of, 624. 



Snow-crystals, 644. 



Sole, skin and scales of, 591, 592. 



Sollitt's Achromatic Condenser, 136. 



Sorby, Mr., his microscopic examination of 

 rocks, 640. 



Spatangus, spines of, 481. 



Speculum-disk for drawing, 125. 



Spencer, Mr., his object-glass, 51, note; his 

 microscopes, 704. 



Spermatia of Lichens, 334 ; of Fungi, 344. 



Spermogonia of Lichens, 333 ; of Fungi, 

 344. 



Sphacelaria, 328. 



Sphagnum, peculiar cells of, 348, 349 ; oc- 

 currence of Rotifer in leaf-cells of, 426. 



Sphceria, development of, within animals, 

 338. 



Sphceroplea, sexual reproduction of, 318. 



Sphcerosira volvox, 264. 



Spherical Aberration, 70; means of re- 

 ducing and correcting, 71, 72. 



Spicules of Sponges, 453-455 ; of Alcyonian 

 Zoophytes, 472-474 ; of Tunicated Mol- 

 lusks, 500 ; of Doris, 516. 



Spiders, eyes of, 582 ; respiratory organs of, 

 583 ; feet of, 583 ; spinning apparatus of, 

 583. 



Spinal Cord, mode of preparing sections of, 

 616. 



Spines of Echinus, &c., 479, 480; mode of 

 making sections of, 482-484. 



Spinning-apparatus of Spiders, 583. 



Spiracles of Insects, 571-573. 



Spiral Vessels, 373, 374. 



SPONGES, their structure, 452, 453 ; ciliary 

 action in, 453 ; skeleton of, 453-455 ; re- 

 production of, 455 ; examination of, 455 ; 

 fossil, 633. 



