INDEX. 



717 



Contractile vesicle of Volvox,260; of Amoe- 

 ba, 405 ; of Actinophrye,407 ; of Infuso- 

 ria, 417, 418. 



Convex lenses, refraction Ijy, 65-69 ; for- 

 mation of images by, 69. 



Coquilla nut, cells of, 368. 



Coral, red, 473 ; stony, 473, 474. 



Corallines (zoophytic), 38,49 ; true, 331, 332. 



Cordylophora) 461, 462. 



Cork, 380. 



Corpuscles of Blood, 598-601. 



Corti, Abbe, on rotation in Chara, 47. 



CorynidtB, 461, 462. 



Coscmodiscus; 289, 290. 



Cosmarmm, self-division of, 269; conjuga- 

 tion of, 274. 



Crah, shell-structure of, 550, 551 ; meta- 

 morphoses of, 551, 552. 



Cricket, gastric teeth of, 569 ; sounds pro- 

 duced by, 575. 



Crinoidea, skeleton of, 482. 



Crusta petrosa of Teeth, 589-591. 



Crustacea, 539 ; lower forms of, 539-541; 

 entomostracous, 541-546; suctorial, 547, 

 548 ; cirrhiped, 548-550 ; decapod, shell 

 of, 550, 551; metamorphoses of, 551, 552. 



CKYPToaAMiA, microscopic study of, 43-46 ; 

 movements of, 44 ; sexuality of, 45, 46, 

 359. (See Protophyta, Algae, Mosses, &.c.) 



Crystals of snow, 644. 



Crystallization, Microscopic, 645. 



Ctenoid scales of Fish, 594. 



Curculiofiidce, 556-559. 



Cutaneous eruptions, 668. 



Cuticle of Equisetaceae, 358; of Flowering 

 Plants, 388-391. 



Cuttle-fish, shell of, 516, 517. 



Cycloid scales of Fish, 592. 



Cyclops, 542, 543 ; fertility of, 546. 



Cydippe, 470, 471. 



Cypris, 541, 542. 



Cyprcea, structure of shell of, 515. 



Cystic Eiiiozoa, 530. 



Cyslicercus, 530. 



Cylhere, 542. 



Dalrymple, Mr , on Notommata, 429. 



Dalyell, Sir J. G., on development of Me- 

 dusae, 468-470. 



Baphnia, 544 ; ephippial eggs of, 546, 547. 



Darwin, Mr., on Pampean formation, 639, 

 640. 



Deane's Gelatine, 232-234. 



Decapod Crustacea, shell of, 550, 551 ; me- 

 tamorphoses of, 551, 552. 



Defining power of object-glasses, 187, 188. 



Demodexfolliculorum, 582. 



Dentine of Teeth, 588, 589. 



Dettdrodus, teeth of, 641. 



Dermestes, hair of, 195, 559. 



Desmvdiacem, general structure of, 265-267 ; 

 movement of fluid in, 267, 268 ; duplica- 

 tive subdivision of, 268-270; formation of 

 "gonidia by, 270-273 ; organization and 

 multiplication of varieties in, 273, 274 ; 

 conjugation of, 274-276; collection of, 

 276, 277. 



Veutzia, stellate hairs of, 390, 391. 



Development, Von Baer's law of, 52. 



Animal, application of Mi- 

 croscope 10, 50-57. 



Development, Vegetable, application of Mi- 

 croscope to, 42-47, 



Diamond-leetle, 556-560 ; foot of, 576. 



Diaphragm-Plate, 130, 131. 



Diatoma, 298. 



Diatomacea, vegetable nature of, 277; co- 

 hesion of frustules of, 278, 279 ; siliceous 

 envelope of, 277-2P0 ; markings of, 280- 

 283; self-division of, 283, 284; gonidia 

 of, 284; conjugation of, 284-286; limits 

 of species of, 286, 287, 301 ; movements 

 of, 287, 288 ; classification of, 288-301 ; 

 general habits of, 301-303 ; fossilized de- 

 posits of, 303, 304, 629-633 ; collection of, 

 304-306; mounting of, 306, 307; their 

 value as tests, 195-199. 



Dicotyledonous Stems, structure of, 378- 

 386. 



Dictyochalix, 453. 



Didymoprium, self-division of, 269 ; conju- 

 gation of, 274, 275. 



Diffraction of Light, errors arising from, 

 181, 182. 



Dipping-Tubes, 152. 



Dissecting Microscope, Quekett's, 94-96. 

 Smith and Beck's, 

 103-105. 



Dissection, microscopic, 201-203. 



Disioma, 532, 533. 



>Vog, foot of, epidermis of, 606. 



Doris, spicular skeleton of, 516. 



Dotted Ducts, 374. 



Doublet, microscopic, 79. 



Draw-Tube, 118, 119. 



Dropsical fluids, examination of, 699. 



Dry-mounting of objects, 221-225. 



Ducts of Plants, 374,375. 



Dujardin, M., on Rotifera, 432-435. 



Duplicative subdivision, of Palmoglaea, 252 ; 

 of Protococcus, 255 ; of Desmidiacese, 

 268-270; of Diatomaceffi, 283, 284; of 

 Confervacea;, 318,319; of Protozoa, 407- 

 409 ; of Infusoria, 418. 



Dusideia, skeleton of, 4.55. 



Dytiscus, foot of, 577, 578. 



Eagle Bay, teeth of, 589. 



Echinida, shell of, 477, 478 ; ambulacral 

 disks of, 479 ; spines of, 479, 480 ; pedi- 

 cellariae of, 481, 482; teeth of, 482 ; me- 

 tamorphosis of, 488-491. 



EcHiNODEEMATA, skeleton of, 477-486; 

 metamorphoses of, 486-491. 



Educational Microscopes, 93-97, 104, note. 



Educational Value of Microscope, 57-64. 



Eel, scales of, 591, 592. 



Eels, of Paste and Vinegar, 531. 



Eggs of Insects, 579, 580. 



Egg-shell, fibrous structure of, 602. 



Ehrenberg, Prof, his researches on Ani- 

 malcules, 47-49, 411-424, 428-435; on 

 Polycystina, 449-452. 



Elaters of Marchantia, 349. 



Elementary Tissues ; see Tissues. 



Elytra, of Beetles, 575. 



Embryo, vegetable, development of, 400. 



Enamel of Teelh, 589-591. 



Encriniies, 482. 



Encysting process of Infusoria, 419-422, 



Endochrome of vegetable cell, 249. 



