782 



INDEX. 



Cattle-fish, shell of, 605 ; embryo of, 

 620. 



Cyanthus, seeds of, 433. 



Cycloclypem, 514. 



Cycloid scales of Fish, 702. 



Cyclops, 640, 641 ; fertility of, 643. 



Cyclosis, in Closterium, 260 — 262 ; 

 in Diatomacese, 274, 275 ; in 

 Chara, 338—340; in Cells of 

 Phanerogamia, 391 — 395 ; in 

 Rhizopods, 437. 



Cyclostomata, 581. 



Cydippe, 547, 548. 



Cymbellece, 306. 



Cynipida, ovipositor of, 682. 



Cypris, 639. 



Cyprcea, structure of shell of, 604. 



Cystic Emozoa, 622. 



Cysticercus, 622. 



Cytherina, 639, 758. 



Dactylocalix, 528. 



Dalrymple, Mr., on Notommata, 

 474. 



Dalyell, Sir J. G., on development 

 of Medusas, 544 — 547. 



Daphnia, 641 ; ephippial eggs of, 

 643, 644 ; development of, 645. 



Darwin, Mr. C, on Pampean for- 

 mation, 761. 



Davies, Mr., on Microscopic Crystal- 

 lization, 770 note. 



Dawson, Dr., on Eozoon Canadense, 

 517. 



Deane's Gelatine, 221. 



De Bary, Dr., on Myxogastric 

 Fungi, 361, 362. 



Decapod Crustacea, shell of, 648, 

 649 ; metamorphoses of, 640, 650. 



Defining power of Object-glasses, 

 170, 171. 



Demodex folliculorum, 686. 



Demonstrating Microscope, Beale's, 

 83. 



Dendritina, 490. 



Dendrodus, teeth of, 762. 



Dentine of Teeth, 697, 698. 



Depressions, distinction of, from 

 elevations, 167. 



Dermestes, hair of, 659. 



Desmidiacece, general structure of, 

 259, 260 ; movement of fluid in, 260 

 —262; binary subdivision of, 262 

 — 265 ; formation of gonidia by, 

 265 ; origination and multiplica- 

 tion of varieties in, 273 ; conju- 

 gation of, 265—267 ; development 

 of, 267 ; classification of, 267—269 ; 

 collection of, 269, 270. 



Dev.tz.ia, stellate hairs of, 420. 



Development, of Annelida, 628 — 

 634 ; of Anodon, 610, 611 ; of 

 Ascidians, 590 ; of Balanus, 647 ; 

 of Cirrhipeds, 646—648 ; of Crab, 

 649 ; of Cyclops, 640, 641 ; of 

 Daphnia, 643, 644; of Desmi- 

 diacese, 266, 267 ; of Diatomacese, 

 287 ; of Echinodermata, 568 — 

 575 ; of Embryo (Animal), 749 ; 

 of Embryo (Vegetable), 429- 

 431 ; of Entomostraca, 640—645 ; 

 of Ferns, 376 — 382 ; oi Gastero- 

 pods, 611—618 ; of Leaves, 390, 

 391 ; of Medusas, 544—547 ; of 

 Mosses, 375, 376; of Nudibran- 

 chiata, 612 — 614 ; of Palmoglcea, 

 245 ; of Pollen-grains, 427 ; of 

 Protococcus, 247 — 249 ; of Pur- 

 pura, 614—618 ; of Sponges, 531 ; 

 of Tunicata, 590 ; of Volvox, 

 253—255. 



Diamond-beetle, 655, 660; foot of, 

 680. 



Diaphragm Eye-piece, Slack's, 98. 



Diaphragm-Plate, 106—111. 



Diatom-finder, Tomkins's, 50 note; 

 Stanhoscope, 22. 



Diatoma, 292, 293. 



Diatomacea, Vegetable nature of, 

 273—275 ; cohesion of frustules 

 of, 275, 276 ; siliceous envelope 

 of, 276—278; markings of, 278— 

 282; self-division of, 282—284; 

 gonidia of, 284 ; conjugation of, 

 285—287; limits of species of, 

 287 ; movements of, 287 — 289 ; 

 classification of, 289, 290 ; general 

 habits of, 310, 311 ; fossilized de- 

 posits of, 311—313, 314, 755; col- 

 lection of, 316, 317; mounting of, 

 316, 317; their value as tests, 178 

 —181. 



Dichroism, 772. 



Dicotyledonous Stems, structure 

 of, 408—415. 



Dictyoloma, seeds of, 432. 



Didemnians, 587, 588. 



Didymopriiun, self -division of, 262; 

 conjugation of, 266, 268. 



Differentiation, progressive, in 

 Vegetable Cell-formation, 242, 

 390; in Animal Cell-formation, 

 691. 



Difilugia, 445. 



Diffraction of Light, errors arising 

 from, 165, 166. 



Diphtheria, fungus of, 358. 



Dipping-Tubes, 135. 



Diptera, mouth of, 668 ; halteres 

 of, 679 ; ovipositors of, 683. 



Discovbina, 503. 



