INDEX. 



605 



Dactylocalyx, 221. 



Dactylozooids, 216. 



Daphnia, 422. 



Darwin, 145. 



Dasychira, 583. 



Dasypoda, 597. 



Death-head moth, 584. 



Death-watch, 589. 



Decapoda, 475. 



Deep sea Fauna, 163. 



De Gteer, 133. 



Degradation, 158. 



Delamination, 114. 



Demodex, 492. 



Dendrochirotae, 299. 



Dendroccela, 311, 314. 



Dendroccelum. 315. 



Dendrometridge, 583. 



Dcndrophyllia, 233. 



Dentine, 41. 



Dermal branchiae, 277. 



Dermanyssus. 495. 



Dermatobia. 576. 



Dermatodectes. 492. 



Dermatophili, 492 



Dermatoptera, 556 



Dermestes, 590 



Derostomea, 312. 



Derostomum. 313. 



Descent, evidence in fa- 

 vour of theory of. 151. 



Desrnoscolecidge. 357. 



Desor. Type of, 341 



Deutoplasm, 111. 



Development. 107. 



Diaptomus, 435. 



Diastylis, 470. 



Difflugia, 186. 



Digenous reproduction, 

 97. 



Digging- wasps, 596. 



Digonopora, 316. 



Diloba, 583. 



Dimorphism, facts of, in 

 favour of theory of 

 descent 152, sexual 

 101, 153. 



Dinoceras, 173. 



Dinosauridaa, 175. 



Dioecious, 100. 



Diopatra, 374, 379. 



Diphyes, 246, 250. 



Diplophysa, 250. 



Diplozoon, 324. 



Dipneumones, 504. 



Diporpa, 325. 



Diptera, 572. 



Direct development, 120. 



Directive body, 109. 



Discoidal segmentation, 

 112. 



Discoideas, 250. 



Discomedusa, 260, 261. 



Disco phora (Ccelente- 

 rate), 259, 394. 



Discophora, see Hiru- 

 dinea. 



Dissepimenta of Actin- 

 ozoa, 228. 



Dissepiments of Anne- 

 lida, 364. 



Distomea, 318, 321. 



Distomum, 317, 322. 



Distomum cygnoides, 

 321. 



Distomum hrematobium, 

 321. 



Dochmius, 350, 352. 



Dolichopus, 576. 



Dolomedcs, 502, 504. 



Doritis, 585. 



Dorsibranchiata, 370, 379 



Dorylaimus, 357. 



Dracunculus, 356. 



Dragon-fly, ,562. 



Dromia, 478. 



Drone, 598. 



Ductus Botalli, 66, 



Dung-flies, 576. 



Duodenum, 57. 



Dynamena, 242. 



Dysdera, 499. 



Dytiscus, 590. 



Earwigs, 556. 



Ecdysis of Arthropoda, 



407. 



Echinaster, 273, 293. 

 Echineibothrium, 338, 



326. 



Echiniscus, 497. 

 Echinococcifer, 335. 

 Echinococcus, 336, 331, 



333. 



Echinocucumis, 297. 

 Echinocyamus, 297. 

 Echinoderidae, 404. 

 Echinodermata, 266. 

 Echinoidea, 294. 

 Echinometra, 295, 296. 

 Echinorhynchus, 302. 

 Echinus, 296. 

 Echiuroidea, 389. 

 Echiurus, 387, 392. 

 Eciton. 596. 

 Ectoderm, 213, 49, 116. 

 Ectolecithal, 112. 

 Ectolithia, 189. 

 Ectoplasm, 54. 

 Eisvogel, 585. 

 Elastic fibres, 39. 

 Elater, 589. 



Eleutheroblastese, 240. 

 Ellipsocephalus, 484. 

 Elytron, 369, 528. 

 Embolic invagination, 



114. 

 Embryology in relation 



to descent theory, 157. 

 Embryonicdevelopment, 



119. 



Empidae, 576. 

 Enchelidium, 357. 

 Enchytraeus, 384. 

 Encrinus, 289. 

 Endoderm, 116. 49, 213. 

 Endogenous cell formao 



tion, 30, 31. 

 Endomychidai, 588. 

 Endoplasm, 54. 

 End-organs, 47. 

 Endoskeleton, 79. 

 Endothelium, 34. 

 Enopla, 339, 342. 

 Enoplus, 357. 

 Enteroccele, 116. 

 Enteroplea, 404. 

 Enteropneusta, 299. 

 Entoconcha, 299. 

 Entolithia, 189. 

 Entomophaga, 594. 

 Entomostraca, 416. 

 Entoniscus, 459, 460. 

 Entozoa, 308. 

 Epeira, 505. 

 Ephemera, 531, 562. 

 Ephemeridge. 561. 

 Ephialtes, 595. 

 Ephippigera, 558. 

 Ephryopsis, 261. 

 Ephyra, 125, 253, 251. 

 Ephyra-MedussB, 259. 

 Epiblast, 114. 

 Epibole, 115. 

 Epimerum, 525. 

 Epipharynx, 524. 

 E pi sternum, 525. 

 Epistom of Decapoda, 



476. 



Epistylis, 205. 

 Epithelium, 34. 

 Equitidae. 585. 

 Equus,phylogeny of, 1 72. 

 Erebia, 585. 

 Erichthus, 472. 

 Eristalis, 576. 

 Errantia, 378. 

 Erythraaus, 495. 

 Eschscholtzia, 26G. 

 Estheria, 419. 

 Eucephala, 577. 

 Eucharis, 266. 

 Euchlanis, 404. 



