INDEX 



817 



Cydippe, 210 



Cydippida, 221*, 222 



Cymothoa, 586, 597 



Cynipidif, 647 



Cypriea, 739 



Cypris, 564, 572, 573, 596 



Cyprin stage, of Cirripedes, 565, 598 



Cyst, Anineba, 46*, 47 : Didymiiim, 67 ; 



Eughna, 68, 69 : Monocyslia, 80 

 Cystkercoid, 2s0* 

 Cysticerciis, 251, 280, 281* 

 Cysticercus cdltdomv, '285, 286 

 Cystoflagellata, 69* : Characteiistie 



features, 79 

 Cyetoidea, 413*, 435, 437 

 Cylhere, 564, 572 

 Cytoplasm, 16* 



U 



D. 



'ACTYLOPORES, of Milleporrj, 156* : 

 Stylaster, 159 



Dactylozooids, 149*, 163: of Milleporii, 

 158 : Stylaster, 158 : Hatiatemma, 160, 

 161 



Daddy long-legs, 635 



Dahlia wartlet, 185 



Dallingeria, 71 



Dalmanites socialis, 605 



Daphnia, 564, 572 



Darwin, 6 



Dasychone, 478 



Daughter-cell, 18* 



Daughter-chromosomes, 18* 



Daughter-cysts, 282 



Daughter-nucleus, 18* 



Daughter-segments, 16 



Day-flies, 641, 653 



Dead men's fingers, 195, 203 



Decapoda, 568*, 570, 587, 594, 596, 597, 



599, 602, 603 

 Decapoda (Cephalopoda), 790*, 791, 804 

 Degeneration, in Copepoda, 57o : in Cir- 



ripedia, 579 : in Isopoda, 586 

 Deiopea, 223 

 Deltidium, 360* 

 Deltoid plates, 414 

 Demospongia, 112* 

 Dendroehirotse, 415* 

 Dendrocoslum— See Pin iiiirin 

 Dendrocometeii, 100 

 Dendrophyllia, 207 

 Dendrowma, 100, 101 

 Dentalium, 756, 757 

 Denticles, 442 

 Depastridm, 178 

 Derm (dermis), 31* 

 Dermal branchije of Echinoidea, 395 

 Dermal branchiae, 376, 395, 425 



Dermal cortex, 108, 111*, 119 

 Dermal pores, 376 

 Dermaptera, 636 

 Dermis, 31* 



Desmoscolecidif , 320, 321 

 Desmoscolex, 320 

 Destructive metabolism, 13* 

 Deutomerile of Oregarina, 82*, 83 

 Development, oiSycon, 124, 125 : Sponges 

 122: Obelia, 139: LeptoUtiii', 152 

 Trachylina- . 155 : Aiirelia, 173, 174. 

 175 : Sea-anemone, 192 : Hormiphora, 

 217 - Dicytmidof, 231 : Bhopalura 

 233 : Plaimria, 239 : Liver-Fluke, 243 

 Tmnia, 250 : Platyhelminthes, 273-282 

 Nemertinea, 294, 295 : Ascaris, 303 

 Nematoda, 308, 309 : Chietognatha 

 318 : Brachionus rubeiis, 326 : Rotifera, 

 334 : Bugula. 344 : Ectoprocta, 352 

 Endoprocta, 355 : Phoronis, 358, 369 

 Brachiopoda, 370 : Asferina, 388, 389 

 Sea-urchin, 400: Sea-cucumber, 404 

 Antedon, 432 : Echinodermata, 430 

 Nereis, 450, 451, 453 : Lumhricus, 463 

 464: ChiEtopoda, 483 : Gephyrea, 500 

 Hirudo, 515 : Hirudinea, 520, 521 

 Apus, 538: Astacun, 557: Crustacea 

 597 : Peripatus, 811, 612, 613 : Myria 

 poda, 618 : Periplaneta, 628 : Scor 

 pion,669: Anodonta,692: Peleeypoda 

 708 : Amphineura, 718 : Gastropoda 

 749 : Scaphopoda, 757 : Cephalopoda, 

 798 

 Devonian, 7 

 Diagfylis, 567, 583 

 Diatomin, 78* 

 DibothriocephaluK, 273 

 Dibranchiata, 789*, 792, 793, 794, 795, 



797, 798, 804 

 Diceras, 700 

 Dichyocysta, 95 

 Sicyclioa, 413* 

 Dicyema, 230, 231 

 Dicyemid(e, 230, 231 

 Didiiihim, 93, 94 

 Didymiiim difforme, 66, 67 

 Differentiation, 23* 

 IHfflugia, 49, 50 

 Digenetica, 252*, 257, 259, 266, 268, 272, 



273, 277, 284, 286, 287 

 Digestion, intracellular, 33 

 Digestive glands, 33 

 Digestive system, 32* 

 Digestive system, of Paramacinm, 90 

 Aurelia, 170, 171 ; Sea-anemone, 187 

 Hormiphora, 213 : Planaria, 236, 237 

 Liver-Fluke, 241 : Platyhelminthes, 

 265, 266, 267 : Nemertinea, 290 : As- 

 caris, 299, 300 : Nematoda, 305, 306 : 

 Chfetognatha, 317: Brachionus rubens, 

 325 : Rotifera, 333 : Bvgula, 343 : 

 Ectoprocta, 351 ; Endoprocta, 354 ; 



