614 



INDEX. 



Raphidiophrys, 19. 



Raspailia, 96. 

 Rataria, 144. 

 Rathkea, 131. 

 Rattulus, 309. 

 Razor shell, 348. 

 Recpptaculum seminis, 



215. 



Recluzia, 396. 

 Red coral, 182. 

 Redia, 229. 

 Regadrella, 92. 

 Reithrodrilus, 511. 

 Reniera, 96. 

 Renilla, 181. 

 Reptadeonella, 566. 

 Retepora, 565. 

 Reteporella, 565. 

 Retieularia, 17. 

 Retinacula, 294. 

 Rhabdammina, 13. 

 Rhabdite, 211. 

 Rhabditis, 275, 290. 

 Rhabditis-form, 280. 

 Rhabdocalyptus, 92. 

 Rhabdocoela, 219. 

 Rhabdodictyum, 92. 

 Rhabdogaster, 292. 

 Rhabdogonium, 14. 

 Rhabdome, 83. 

 Rhabdomonas, 31. 

 Rhabdonema, 277, 280, 



281, 290. 



Rhabdopectella, 92. 

 Rhabdospheres, 11. 

 Rhabdostyla, 51. 

 Rhabclus, 82. 

 Rhacella, 95. 

 Rhagon, 77. 

 Rhapliidoplilus, 96. 

 Rhapide, 86. 

 Rhegmatodes, 134. 

 Rhinodrilus, 501, 506, 



511. 



Rhinophores, 366. 

 Rhinops, 309. 

 Rhipictiglossa, 357, 394. 

 Rblpidodendron, 31. 

 Rhizammina, 13. 

 Rhizochalina, 96. 

 Rliizocline, 131. 

 Rliizogeton, 129 

 Rhizomastigina, 30. 

 Rhizbphysa, 155. 

 Rhizopoda, 6. 

 Rhizopsamniia, 197. 

 Rhizostonia, 108, 109, 



111. 



Rhizostomae, 167. 

 Rhizota, 300, 307. 

 Rhizotrochus, 194. 



Rhizoxenia, 178. 

 Rhodactis, 186. 

 Rhodaraea, 197. 

 Rhodope, 414. 

 Rhodophysa, 153. 

 Rhodopidae, 414. 

 Rhodopsaminia, 197. 

 Rhombogen, 242. 

 Rhopalia, 115, 116, 154. 

 Rhopalonema, 135. 

 Rhopalophorus, 240. 

 Rhopilema, 168. 

 Rhopolactis, 188. 

 Rhynchelmis, 502, 504, 



508. 



Rhyncheta, 53. 

 Rhyncbobdellidae, 526. 

 Rhynchobothrium, 259. 

 Rhynchocoelom, 265. 

 Rhynchodemus, 222. 

 Rhynchoflagellata, 35. 

 Rhynchoiiella, 574. 577, 



580, 585. 



Rhynclioneerella. 479. 

 Rhynchozoon, 566. 

 Ridleia, 97. 

 Rimella, 94. 

 Rimula, 395. 

 Rimulina, 14. 

 Ringicuhi, 406. 

 Ripistes, 509. 

 Rissoa, 398. 

 River-limpet, 416. 

 River-snail, 399. 

 Rod-apparatus, 38. 

 Roman snail, 416. 

 Rosette plates, 554. 

 Rossella, 92. 

 Rossia, 441, 445. 

 Rostellaria, 399. 

 Rostelluni, 245. 

 Rostrum of shell, 425. 

 Rotalia, 14. 

 Rotaliform, 14. 

 Rotifer, 304, 308. 

 Rotifera, 299. 

 Round-worm, 284. 

 Rugosa, 175. 

 Runcina, 362, 403, 406. 



S. Am. = South America. 

 Sabella, 465, 472, 490. 

 Sabellaria, 492. 

 Sabellasturte, 491. 

 Sabellidcs. 486. 

 Sabelliformia. 490. 

 Sabinotrochus, 194. 

 Saccammina, 13. 

 Saccobdella, 310. 

 Saccocirrus, 453, 457. 

 Saccoglossa, 413. 



Saccouereis, 471, 476. 

 Saccosoma, 533. 

 Sacculus, 309. 

 Sagartia, 187. 

 Sagartidae, 188, 

 Sagenella, 13. 

 Sagitella. 482. 

 Sagitta, 83, 591. 

 Sagittatedcalamary,444. 

 Sagittocyst, 211. 

 Salacia, 155. 

 Salicornaria, 565. 

 Salinella, 24:5. 

 Salmacina, 466, 468, 



491. 



Salpina, 309. 

 Salpingoeca, 33. 

 Salvatoria, 477. 

 Sanius, 94. 

 Samythopsis, 486. 

 Sandalolitha, 196. 

 Sanguinolaria, 348. 

 Saphenella, 134. 

 Saphenia, 134. 

 Saprophytic, 2. 

 Sarakka, 179. 

 Sarcenchyme, 79. 

 Sarcocystis, 69. 

 Sarcode, 1. 

 Sarcodictyon, 178. 

 Sarcodictyum, 21. 

 Sarcodina, 3. 

 Sarcomatrix, 21. 

 Sarcophiaritlms, 188. 

 Sarcophyllum, 181. 

 Sarcophyton, 179. 

 Sarcoplegma, 21. 

 Sarcosporidia, 68, 69. 

 Sarcostyle, 126. 

 Sarcotheca, 126. 

 Sarsia, 131. 

 Satellite, 57. 

 Savaglia, 190. 

 Saxicava, 331, 348. 

 Scaeurgus, 440, 446. 

 Scalaria, 361, 396. 

 Scalibregma, 489 

 Scaphander, 405, 406. 

 Scaphidiodon, 46. 

 Scaphopoda, 349. 

 Scapophyllia, 195. 

 Scaridium, 309. 

 Schistocephalus, 258. 

 Schizocyathus, 194. 

 Schizogamy, 469. 

 Schizopathes, 191. 

 Schizoporella, 566. 

 Schizotricha, 133. 

 Schultzia, 220. 

 Schwagerina, 15. 

 Scioberetia, 347. 



