792 



INDEX. 



his researches on Shell-structure, 

 597 ; on Molecular coalescence, 

 774, 775. 



Ralfs, Mr., on Desmidiacese, 259 — 

 273. 



Ramsden's eye-piece, 26, 27. 



Raphides, vegetable, 400, 401. 



Reade, Rev. J. B., his Hemisphe- 

 rical Condenser, 113, 114. 



Re-agents, Chemical, use of in Mi- 

 croscopic research, 197, 198. 



Receptaculites, 498. 



Red Corpuscles of blood, 709 — 711. 



Red Snow, 317. 



Reflection by Prisms, 4. 



Refraction, laws of, 1—3; by con- 

 vex lenses, 3 — 9 ; by concave and 

 meniscus lenses, 8. 



Rein-deer, hair of, 704. 



Reptiles, bone of, 693—696 ; teeth 

 of, 698 ; scales of, 700—703 ; 

 blood of, 709—712; lungs of, 

 747, 748. 



Resolving power of Object-glasses, 

 172, 173. 



Rete Mucosum, 718. 



Reticulata, 437, 438. 



Reticulated Ducts, 403. 



Rhinoceros, horn of, 709. 



Rhizopoda, 435, 436 ; their subdi- 

 visions, 437—445 ; their repro- 

 duction, 446, 447 ; their relation 

 to Sponges, 527 ; their relation 

 to higher Animals, 690—693. 



Rhizosolenia, 303. 



Rhodospermece, 348 — 350. 



Rhubarb, raphides of, 400. 



Rhynchonellida , structure of Shell 

 of, 602, 603. 



Rice-Paper, 387. 



Ricinio?, 686. 



Rochea falcata, cuticle of, 419, 420. 



Ring-Cells, Metallic, 229. 



Ring-Net, 236-238. 



Rocks, structure of, 760, 761, 765— 

 767. 



Roots, structure of, 415 ; mode of 

 making sections of, 416. 



Ross, Mr., on correction of Object- 

 glass, 16—18 ; his Compound Mi- 

 croscope, 76—78 ; his Achromatic 

 Condenser, 77, 109, 110 ; his Sim- 

 ple Microscope, 46 — 48 ; his Lever 

 of contact, 150; his Compresso- 

 rium, 134, 135 ; his eye-piece Mi- 

 crometer, 95. 



Rotalia, 484, 504, 505. 



Rotaline Foraminifera, 486, 487, 502 

 —506. 



Rotifer, anatomy of, 471—475 ; re- 

 production of, 475 — 477 ; tenacity 



of life of, 477 ; occurrence of, in 

 leaf -cells of Sphagnum, 370, 469. 



Rotifera, general structure of, 

 469 — 475 ; reproduction of, 475 — 

 477 ; desiccation of, 477 ; classifi- 

 cation of, 477 — 481. 



Rush, stellate parenchyma of, 389. 



Rust, of Corn, 363. 



Sable, hair of, 705. 



Salter, Mr. Jas., on teeth of Echi- 



nida, 560 - 562. 

 Salts, crystallization of, 769-774. 

 Salvia, spiral fibres of seed of, 398. 

 Sand-wasp, integument of, 655. 

 Sarcina, ventriculi, 353, 354. 

 Sarcode, of Protozoa, 434, 435 ; of 



higher Animals, 689—693. 

 Sarcoptes scabiei, 686. 

 Saw-flies, ovipositor of, 683. 

 Scalariform ducts of Ferns, 376. 

 Scales, of cuticle of Plants, 419, 



420. 



of Fish, 700-703, 775. 



of Insects, 655 — 659 ; their 



use as test-objects, 177, 178 ; 



mode of mounting, 660, 661. 



of Reptiles and Mammals, 



700. 



Schizonemea, 308—310. 



Schultz's test, 197. 



Schulze, Prof. Max, on Nobert's 

 test-plate, 180 note; on surface- 

 markings of Diatoms, 282 note ; 

 on Sarcode in higher Animals, 

 690 note ; on Foraminifera, 483. 



Schwann, doctrines of, 689. 



Scissors for microscopic dissection, 

 187 ; for cutting thin sections, 

 188. 



Sclerogen, deposit of, on walls of 

 Cells, 396, 397. 



Scolopendrum, sori of, 379. 



Sea-Anemone, 552 — 554. 



Section-Instrument, 189 — 191. 



Sections, thin, mode of making, of 

 soft substances, 188, 189; of sub- 

 stances of medium hardness, 

 189—191 ; of hard substances, 

 191—195 ; of Bones and Teeth, 

 696, 697 ; of Echinus-spines, 563 

 — 565; of Foraminifera, 192 note; 

 of Hairs, 707 ; of Insects, 654 ; 

 of Leaves, 422 ; of Wood, 415, 

 416. 



Seeds, microscopic characters of, 

 431— 433. 



Segmentation of Yolk -mass, 613, 

 615. 



Selenite-Plate, 119, 120. 



