600 



INDEX. 



Damiria, 96. 

 D;uiili'\vskya, 62. 

 Danymene, 480. 

 Dart-sac, 379. 

 I )ar\vint j lla, 93. 

 1 (.ismosniilia, 195. 

 Dasybranchus, 486. 

 Dasychone, 464, 491. 

 Dasydytes, 311. 

 Dasygorgia, 182. 

 Dasylepis, 478. 

 Dasyphyllia, 195. 

 Dasytricha, 47. 

 Painlrbardia. 416. 

 Dead men's fingers, 179. 

 I)rrnpoda, 444. 

 Prrollation, 360, 361. 

 Deinodrilus, 506, 511. 

 Drinpca, 207. 

 Delphinula, 395. 

 Deltocyatbus, 194. 

 Demospongiae, 93. 

 Dendoryx, 96. 

 D.-mlrilla, 93. 

 Dendrolirachia, 191. 

 Dcndroclava, 129. 

 Dendrocoelum, 221. 

 Dendrocometes, 52, 54. 

 I icudnicora, 195. 

 Dendrogyra, 195. 

 Dendromonas, 30. 

 Dendronema, 131. 

 1 (endronereis, 479. 

 Dendronotus, 412. 

 Dendrophyllia, 196. 

 Dendropsis, 96. 

 Dendrosoma, 52, 54. 

 I (endrostoma, 539. 

 Dnitalium, 352. 

 Dfodrilus, 510. 



164. 

 , 164. 

 s, 94. 

 1 )'! malia, 91. 

 Dermal membrane, 76. 

 Dermal pore, 7'i. 

 Dermatobranchus, 374, 



412. 



Drro, 509. 

 1 Viostonuim, 220. 

 Desma, 84. 

 I )i IM n-rlla, 96. 

 Desmacidon, 96. 

 Desmacidonidae, 96. 

 iKsmalia, 149. 

 I 'i^mogaster, 510. 

 Drsnioscolex, 292. 

 I V^inonema, 167. 

 Desmophyes, 149. 

 Desmophyllum, 194. 

 Desmopterus, 406. 



Desmosf-yphus, 133. 

 Desmothoraca, 19. 



Detor.xiou, 385. 

 Deutomerite, 56. 

 Dexiobraiichaea, 408. 

 Dextral shell, 360. 

 Diachaea, 17. 

 Diachada f-02, 506, 511. 

 Diachori.s, 565. 

 Diaetinc. s - J. 

 Diafungia, 196. 

 Dialyclione, 491. 

 Dialyni-ury, 365, 393. 

 Dianema. 17. 

 Diaphoropodon, 13. 

 Diaschiza. 309. 

 Diaseris 196. 

 Diastopora, 566. 

 Diatomin, 28. 

 Diaulic. 378. 

 Diblasns, 195. 

 Dibrancliiata, 444. 

 Diceras, 3'25, 

 Dichocoenia, 196. 

 Dichogaster, 510. 

 Dichoraea, 197. 

 Dicodonium, 131. 

 Dicoiyne 130. 

 Dicotylus. 221. 

 Dicranocanna, 134. 

 Dictydiaethalium, 17. 

 Dictydium, 17. 

 Dictyocalyx, 92. 

 Dictyocba, 35. 

 Dictyocladium, 133. 

 Dictyocylindrus, 96. 

 Dictyocysta, 49. 

 Dictyonalia, 92. 

 Dictyonina 93. 

 Dictyostelium, 18. 

 Dicyemidae, 240. 

 Dicymba, 152. 

 Didiniiun. 46 

 Didyniiuni, 17. 

 Didymozoon, 240. 

 Difflugia, 11, 12. 

 Digaster, 510. 

 Digenea, 237. 

 Digenetic. 228. 

 Diglena, 309. 

 Dileptus, 46. 

 Diniorpha, 30. 

 Dimorphina, 14. 

 Dimorphism, 7, 9. 

 Dimorphous, 10. 

 Dimyaria, 326, 330. 

 Dimyidae, 347. 

 Dinema, 131. 

 Dinifera, 34. 

 Dinoliryon, 30. 

 Dinocharis, 309. 



Dinonagellata, 33. 

 Dinophilus, 456, 457. 

 Dinoplirya, 45. 

 Dinophysis, 35. 

 Dioecious, 70. 

 Diopatra, 481. 

 Diojihrys, 49. 

 Diotocardia, 393. 

 Dipetasus, 135. 

 Diphasia, 133. 

 Dipbyes, 149. 

 Dipbyllobothrium, 256. 

 Diphyopsis, 149. 

 Diplax, 309. 

 Diplectanura, 236. 

 Dipleurosoma, 134. 

 Diplobothrium, 236. 

 Diplocardia, 511. 

 Diplocbeilus, 133. 

 Diplocoiius, 23. 

 Dij)locotyle. 256. 

 Diplocyathus, 132. 

 Diplocystis, 58. 

 Diplodal, 78. 

 Diplodinium, 49. 

 Diplddist-iis, '2-19, 238. 

 Diplodonta, 347. 

 Diplois, 309. 

 Dijilomita, 31. 

 Diplomniatina, 398. 

 Diplonchus, 222. 

 Dijiliijihysa, 149. 

 Diploria, 195. 

 Diplostonuun, 238. 

 Diplozoon, 226, 235. 

 Dijilura, 130. 

 Diporccbaeta, 510. 

 Diporpa, 235. 

 Diporala, 566. 

 Dipurena, 131. 

 Dipylidium. 248, 261. 

 Discalia, 143. 

 Disconalia, 143. 

 Discina, 578, 583, 584, 



585. 



Discini.sca. 585. 

 Discocelis. 222. 

 Discocyathus, 194. 

 Discodermia, 94. 

 Discobexaut, 92. 

 Discoidea, 23. 

 Discomedusae, 166. 

 Disconanthae, 141. 

 Disconectae, 141. 

 Disconula, 141, 143. 

 Discophrya, 47. 

 Discopus, 304. 

 Discorbina. 14. 

 Discosoma, 186. 

 Dislocabe, 153. 

 Dissepiments, 193. 



