INDEX 



817 



Cydippe, 210 



Cydippida, 2-21*, 222 



Cymothoa, 586, 597 



Cynipidcp, 647 



Cypnea, 739 



Cypris, 564, 572, 573, 596 

 s Cypris stage, of Cirripedes, 565, 598 



Cvst, Amoeba, 46*, 47 : Didymium, 67 ; 

 Euglena, 68, 69 : Monocyati^, 80 



Cysticercoid, 280* 



Cysticercu*, 251, 280, 281* 



Cysticercus cellulose?, 285, 286 



Cystoflagellata, 69* : Characteristic- 

 features, 79 



Cystoidea, 413*, 435, 437 

 I Cytkere, 564, 572 

 / Cytoplasm, 16* 



1) 



ACTYLOPORES, of Millepora, 156* : 



Stylaster, 159 

 Dactylozooids, 149*, 163 : of Millepora, 



158 : Stylaster, 158 : Hafintemma, 160, 



161 



Daddy long-legs, 635 

 i Dahlia wartlet, 185 

 1 Dallingeria, 71 

 Dalmanites socialia, 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 

 1 Dead men's fingers, 195, 203 

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



599, 602, 603 



Decapoda (Cephalopoda), 790*, 791, 804 

 Degeneration, in Copepoda, 575 : in Cir- 



ripedia, 579 : in Isopoda, 586 

 Deiopea, 223 

 Deltidium, 360* 

 Deltoid plates, 414 

 Demospongia. 112* 

 Dendrochirotse, 415* 

 Dendroccelum See Plannriu 

 Dendrocometex, 100 

 Dendrophyllia, 207 

 Dendrotoma, 100, 101 

 Dentalium, 756, 757 

 Denticles, 442 

 Depastridcv, 178 

 Derm (dermis), 31* 

 Dermal branchiae of Echinoidea, 395, 

 Dermal branchiae, 376, 395, 425 



Dermal cortex, 108, 111*, 119 

 Dermal pores, 376 

 Dermaptera, 636 

 Dermis, 31* 



DesmoscolecidcK, 320, 321 

 Desmoscolex, 320 

 Destructive metabolism, 13* 

 Deutomerite of Gregarina, 82*, 83 

 Development, ofSycon, 124, 125 : Sponges, 

 122: Obelia, 139: Leptolincv, 152: 

 Trachylince. 155: Aurelia, 173, 174, 

 175 : Sea-anemone, 192 : Hormiphora, 

 217 : Dicyemidce, 231 : Rhvpalura, 

 233 : Planaria, 239 : Liver-Fluke, 243 : 

 Tcmia, 250 : Platyhelminthes, 273-282 : 

 Nemertinea, 294, 295 : Ascaris, 303 : 

 Nematoda, 308, 309: Chtetognatha, 

 318 : Brachionusrubetis, 326 : Rotifera, 

 334 : Bugula. 344 : Ectoprocta, 352 : 

 P]ndoprocta, 355 : Phoronis, 358, 359 : 

 Brachioppda, 370 : Asterina, 388, 389 : 

 Sea-urchin, 400: Sea-cucumber, 404: 

 Antedon, 432 : Echinodermata, 430 : 

 Nereis, 450, 451, 453 : Lumbriais, 463, 

 464: Chsetopoda, 483 : Gephyrea, 500 : 

 Hirudo, 515 : Hirudinea, 520, 521 : 

 Apus, 538: Astacus, 557: Crustacea, 

 597 : Peripatus, 611, 612, 613 : Myria- 

 poda, 618: Periplaneta, 628: Scor- 

 pion, 659: Anodoiita, 692 : Pelecypoda, 

 708 : Amphineura, 718 : Gastropoda, 

 749 : Scaphopoda, 757 : Cephalopoda, 

 798 



Devonian, 7 

 Diastylis, 567, 583 

 Diatomin, 78* 

 Dibothriocephalus, 273 

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



797, 798, 804 

 Diceras, 700 

 Dichyocysta, 95 

 Dicyclica, 413* 

 Dicytma, 230, 231 

 Dicyemid'.i', 230, 231 

 Didinium, 93, 94 

 DIDYMIUM DIFFORME, 66, 67 

 Differentiation, 23* 

 Difflugia, 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 ParamcKcium, 90: 

 Aurelia, 170, 171 ; Sea-anemone, 187 : 

 Hvrmiphora, 213 : Planaria, 236, 237 : 

 Liver-Fluke, 241 : Platyhelminthes, 

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

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

 Chajtognatha, 317: BrachionusrubeH*, 

 325 : Rotifera, 333 : Bugida, 343 : 

 Ectoprocta, 351 : Endoprocta, 354 ; 



