53* 



INDEX 



Bmcerbankki, 470, 480, 481, 492, 500,518, 

 532, 533; larva, 511, 513; budding, 

 514 



Brachionidae, 225 



Brachionus, 200, 201, 204, 218, 225, 226, 

 227 



Brachydrilus, 357 



Brackish water, Rotifers, 226 ; Polychaeta, 

 284 ; Polyzoa, 492 



Brady iiema, 150, 151, 160 



Braein, on state-blasts, 503 f. 



Brain see Nervous System 



lUvitrhellion, 393, 395, 397, 401, 406 



Branchial crown, 336 ; regeneration of, 

 283 



Bra a chiohdella, 376 



Branchiomma, 337 ; gills, 261 ; eyes, 272 ; 

 II. rigilans on Aphrodite, 299 



Branchiwra, 352, 361, 367, 378 f.; trans- 

 verse section, 353 



Braun, on Platyhelminthes, etc., 6 n., 55 n., 

 62, 94 



Brettia, 525, 527 



Bristles = Chaetae, q.v. 



Bristle- worms, 241 



British, Polycladida, 19 ; Tricladida, 42 ; 

 Rhabdocoelida, 49 ; Nemertinea, 100, 

 110 f. ; Polychaeta, 306 f. ; Earth- 

 worms, 390 ; Leeches, 393 ; Gepliyrea, 

 449 ; Polyzoa, 488 n., 505, 523 f. 



Brood-pouch, of Spirorbis, 261, 276, 341 ; 

 of Salmacina, 276 ; of Entoprocta, 487, 

 507 



Brood-sac, of Autolytus, 275 ; of Myria- 

 nlda, 280 



Brown body, in Polyzoa, 468, 471 f., 472, 

 489, 496, 510, 514 



Brown tubes (nephridia), of Sipunculoidea, 

 415, 417, 423, 425 ; of Echiuroidea, 

 435, 437, 439, 441 ; of Epithetosomat- 

 oidea, 445 ; used as generative ducts, 

 418, 438 ; absent in Priapuloidea, 430 



Bryozoa, 475 



Buccal region, in Polychaeta, 249, 250, 

 269 ; of Nereis diversicolor, 248 ; of N. 

 ndtrifera, 316 



Buchanan, on marine muds, 423 



Buchholzia, 359 



Budding, in Syllidae, 279, 283 (see also 

 Gemmation) ; in Polyzoa, 467, 514 (see 

 also Polypide-bud) 



Bur/ida, 467, 468, 477, 481, 515, 517, 518, 

 519, 526 ; avicularia, 483, 485 ; larva, 

 511 



Bunge, on respiration in Nematoda, 130 



Burger, on Nemertinea, 109, 112 ; on 

 Nectonema, 168 ; on Hirudinea, 397, 403 



Burrows, of Polychaeta, 285, 304 ; of 

 Oirratulus, 286 ; of Nereis, 286, 316, 

 317 ; of Arenicola, 333 ; fossil, 302 ; of 

 Earthworms, 368 ; of Sipuncidus, 426 



Bursa seminalis, in Rhabdocoels, 48 



Busk, on Polyzoa, 465 n., 475, 487, 519 

 Buskia, 533 



Butschli, on Nematoda, 137 

 Byrsophlebs, occurrence, 44 ; Britfa 

 species, .' f '.t 



Caberea, 487, 518, 526 : vibracula, 48< 



517 

 Caecum, in Polyzoa, 499 

 Galathvs, host of Oordvus, 172 

 Calceostominae, 73 

 Galceostomum, 73 



Caldwell, on Phoronis, 454, 456, 461 

 Calicotyle, 73 

 Gallidina, 201, 202, 204, 218, 219, 8 



225, 227, 230 

 Galliobothrium, 76 n., 91 ; larva, 77 

 Calotte, of Dicyemids, 93 

 Calyx, 488 

 Camerano, on development of Gordius, 17C 

 Gapitella, 331 ; peristomium, 263 ; spech 



chaetae, 267, 268 ; habitat, 286 



colour, 291 ; C. cipitata, distributioi 



299 

 Capitellidae, 258, 331, 373 

 Capitelliformia, 258, 305 ; guauin n 



253 ; body, 259 ; buccal region, 269 



siphon, 272 ; ciliated organs, 272, 273 ; 



genital organs, 273 

 Carabus, host of Gordius, 172 

 Garinella, 112 ; British species, 112 

 Carinellidae, side organs of, 107 

 Caruncle, of Amphinomidae, 260, 273 n., 



318 

 Garyophyllaeus, 91 ; G. mutabilis, 77 

 Gastcdia, 308 ; distribution of, 300 

 Castings, of Polychaeta, 285 ; fossil, 302 ; 



of Arenicola, 333 

 Gastrada, 44, Jfi 

 Cat, parasites of, 80, 125, 130, 140, 143, 



144, 145 

 Gatenicella, 518, 519 

 Gatenida, Jft 

 Gathypna, 225 

 Cathypnidae, 225 

 Gellaria, 479, 515, 518, 519, 526 ; zooecia 



and aviculariuiii, 482 

 GeUepora, 518, 527, 528, 529 ; avicularia, 



483, 517 

 Gelleporella, 529 

 Gelhdaria, 518, 527 

 Cellularina, 518 

 Cement-glands, of Rotifers, 205 

 Cephalic slits, of Nemertinea, 101, 104, 107, 



111, 112 

 Cephalisation, in Polychaeta, 263 ; in 



Oligochaeta, 377 

 Cepludodiscus, 461 

 Cephalopods, parasites of, 78, 92 ; list of, 



containing Dicyemids, 94 

 Gephalosiphon, 205, 221 

 Gephalothrix, 112 



