INDEX. 



779 



Beck, Mr. K., his Dissecting Mi- 

 croscope, 53 — 55 ; his Disk-holder, 

 128 ; his Side-Reflector, 122, 123 ; 

 his Vertical Illuminator, 125, 

 126; on scale of Podura, 658, 

 659 ; on Spider's threads, 688 : — 

 see Smith and Beck. 



Bee, eyes of, 661 — 663 ; antennae of, 

 667 ; hairs of, 659 ; proboscis of, 

 668, 669 ; wings of, 678 ; sting of, 

 682 ; reproduction of, 685. 



Berg-mehl, 313. 



Bene, 547, 548. 



Biddulphia, 301 ; markings on, 278 ; 

 self -division of, 283, 284. 



Biliary Follicles, 724. 



Biloculina, 489. 



Binary Subdivision, of Palmoglaea, 

 244 ; of Protococcus, 247, 248 ; 

 of Desmidiaceae, 262 — 265 ; of 

 Diatomaceae, 282 - 285 ; of Con- 

 fervaceae, 330, 331 ; of cells of 

 Phanerogamia, 390 ; of Protozoa, 

 446, 448 ; of Infusoria, 457, 458 ; 

 of Cartilage-cells, 723. 



Binocular Eye-piece, 35. 



Magnifier, Nachet's, 53 



— 55 ; Smith and Beck's, 186 

 note. 



Microscopes, Stereoscopic, 



principles of construction of, 27 

 — 31 ; advantages of, 40, 41 ; Ob- 

 jectives appropriate to, 38 — 40 ; 

 different forms of, Compound, 31 

 —36 ; Simple, 53—55 ; Student's, 

 71—76; Non-Stereoscopic, 87. 

 Vision, 27—30, 40, 41. 



Btpinnaria-larva of Star-fish, 568, 



569. 

 Bird, Dr. Golding, on preparation 



of Zoophytes, 543. 

 Birds, bone of, 695 ; feathers of, 



707, 708; blood of, 709—711; 



lungs of, 747, 748. 

 Bird's-head processes of Polyzoa, 



582, 583. 

 Bivalve Mollusks, shells of, 593 — 



603. 

 Black-ground Illuminators, 114 — 



117, 160. 

 Black-Japan varnish, 205. 

 Blenny, viviparous, scales of, 701. 

 Blights, of Corn, 362—364. 

 Blood-disks of Vertebrata, 709— 



713 ; mode of examining and pre- 

 serving, 713 ; circulation of, see 



Circulation. 

 Blood-vessels, injection of, 740 — 



746 ; disposition of, in different 



parts, 745—749. 

 Bockett, Mr., his Lamp, 141. 



Bone, structure of, 693 — 696 ; mode 

 of making sections of, 696, 697. 



Bones, fossil, examination of, 764. 



Botryliians, 587, 588.. 



Botrytis bassiana, 354, 355. 



Bowerbank, Dr., his researches on 

 Sponges, 527 — 531 ; on structure 

 of Shells, 596, 644 ; on Agates, 

 Ac, 758. 



Bowerbankia, 580. 



Brachionus, 470, 472, 479. 



Brachiopoda, structure of Shell 

 of, 601—603. 



Bra n ch iopoda, 639—642. 



Branchipus, 642. 



Braun, Prof., on development of 

 Pediastreae, 270—272. 



Brewster, Sir D., on single magni- 

 fiers, 21, 22 ; on siliceous cuticles, 

 283 ; on- structure of Nacre, 598' ; 

 on Dichroism, 767. 



Brightwell, Mr., on Diatomaceae, 

 302 note, 303 ; on Asplanchna, 

 475 note; on Noctiluca, 550 note. 



Brooke, Mr., his nose-piece, 102. 



Browning, Mr., his Spectroscope 

 Eye-piece, 92, 93. 



Bryozoa, see Polyzoa. 



Brunswick -black varnish, 205. 



Buccinum, tongue of, 607,. 609; 

 egg-capsules of, 613 ; develop- 

 ment of, 615. 



Bugs, 653 ; wings of, 679. 



Bugula avicularia, 582, 583. 



Built-up Cells, 230, 231. 



Bulbels of Chara, 340 ; of Mar- 

 chantia, 367. 



Bulimina, 502. 



Bull's Eye Condenser, 121, 122 ; 

 use of, 161—163. 



Burdock, stem of, 415. 



Busk, Mr. G., on Volvox, 252-258 ; 

 on Polyzoa, 584. 



Butterflies, see Lepidoptera. 



Cabinets, Microscopic, 235. 

 Cactus, raphides of, 400. 

 Calcaire Grossier, 757. 

 Calcarina, 504, 505. 

 Calycanthus, stem of, 414. 

 Calyptra of Mosses, 374. 

 Cambium-layer, 413. 

 Camera Lucida, 98 — 101 ; use of in 



Micrometry, 102. 

 Campanula rid (p, 540, 541. 

 Campylodiscus, 295. 

 Canada Balsam, use of as Cement, 



205, 206; mounting of objects 



in, 211 -220. 

 Canaliculi of Bone, 695, 696. 

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