INDEX 



671 



Branchial heart of Lulign, formation of, 



362, 364 

 Branchiopoda, 177, 194 ; larval history of, 



200 

 Ijnnicliipiix, 194, 196,243; ancestral origin 



of, 212 



Brephic stage, development of, 1 9, 22 

 Buccal cavity, formation of, in Amphioxus 



lunceolatus, 604 ; in Peripatus capensis, 



175 



Buccal cirri of Amphioxus lanceolatus, forma- 

 tion of, 606 

 Buccal tentacles, formation of, in Cucumaria 



planci, 542 ; in Synaptu diyifata, 533 

 BIT!, definition of, 2 ; development of, in 



Alcyonidinin, 398 ; in Pcdiccllitia edihtata, 



403; in Spongilla, 47 

 Building in Polyzoa Ectoprocta, 396-398 ; 



in Urochorda, 637-646 

 Buc/ula, corona of larva of, 395 ; development 



of buds of, 396-398 

 Buprestidae, 272, 277, 278 

 Butyric acid, use of, to produce membrane, 



17, 524 

 Byssus gland of Dreissensia, formation of, 342 



Calanus, 206 

 Calcarea, 57 



Calcareous plates of young Cucuimiria, 542 

 Calcareous ring of Syiiapta digitata, forma- 

 tion of, 539 

 Calcareous skeleton of adult Aster ina gibbosa, 



formation of, 477, 478 



Calcareous sponges, development of, in lime- 

 free water, 51 



Callianira, development of, 95 

 Callidinii russeola, development of, 418, 426 

 Calyptoblastea, 53 ; definition of, 62 

 Calyptopis, larva of Euphausiadacea, 209 

 Calyx of Antedon rosacea, formation of, 



551 



('apitella, 153, 167 

 Capitellifornia, 128, 153 

 Capsules containing eggs of Alloiocoelida, 

 Rhabdoeoelida, Triclada, Cestoda and 

 Trematoda, 102, 103 ; containing eggs of 

 Prosobranchiata, Opisthobranchiata, and 

 Pulmonata, 320 



Carapace of Astacus, 185 ; of pupa of 



Cirripedia, 202 ; of larvae of Euphausia 



and Penaens, 203 ; of Nauplius, larva of 



Ostracoda, 203 



Cardioblasts, formation of, in Clepsine, 163 ; 



in Ihmuciti, 256 

 Gardium, 348 



(.'rti-idea, 177, 208, 213, 215 

 ( 'ariua of Cirripedia, formation of, 202 

 Cartilage of Cephalopoda, formation of, 365 

 Ccvryophylliacyathus,Aeve\opioen.tofBkeleion 



of, 87 

 Cataclysmic metamorphosis, definition of, 



127 



Caterpillar larva of Lepidoptera and Hyineii- 

 optera, 266 



Cathamnial plate of A urdin, development of, 

 73 



Caudal fork of A stums, 187 ; of Cydiijix, 

 formation of, 199 



Caudal lobe in the embryo of Agelena, 224 



Caudal spine of Nauplius larva of Cirripedia, 

 201 



Cell-lineage, definition of, 104 ; of eggs of 

 Hirudinea, 160 ; of eggs of Ischnochiton, 

 320 ; of eggs of Patella, 292-295 ; of eggs 

 of Phascolosoma, 373-375 ; of eggs of 

 Physa, 321 ; of eggs of Planocera, 104- 

 109; of eggs of Polygordius, 131-144 



Celloidin, use of, in embedding, 34, 35 



Cement organ of embryo of Pedicettina, 399 



Centipedes, 281 



Central coelom of Cribrella, development of, 

 481 



Central eyes, formation of, in Limulus, 237 ; 

 in Agelena, 232-234 



Centriole of male cell, 7 



Centre -dorsal ossicle of Antedon rosacea, 

 formation of, 558 



Centrolecithal, definition of, 27 ; segmenta- 

 tion of eggs of Crustacea, Arachnida, and 

 Myriapoda, 177 



Centrolecithal egg of Urticina crassicornis, 

 177 



Centroplasm of egg of Agelena, 222 



Ceutrosome, division of, 6 ; formed from 

 middle-piece of spermatozoon, 9 



Cephalic hood of Say Ma bipunctata, 432 



Cephalic lobes in embryo of Agelena, 224 

 in embryo of Astacus, 180, 189 ; in 

 embryo of Scorpion, 240 



Cephalic slits of Neinertinea, formation of, 

 in Pilidium larva, 123 



Cephalochorda, 568, 584, 605, 662 ; develop- 

 ment of, 586-604 



Cephalodiscida, 568, 569, 585, 606, 662 



Cephalodiscus, 381, 383 



Cephalopoda, 178, 291, 369, 370, 632 ; de- 

 velopment of, 353-368 



Cerambycidae, 272, 277 



Cereanthidae, 53, 86 ; larva of, 85 



Cerebral ganglion, formation of, inDentaUum, 

 329 ; in Dreissensia, 341 ; in Loliyo, 358 ; 

 in Palndina, 315 ; in Patella, 301, 302; 

 in embryo of Pedicdlina, 400; in larva of 

 Phascolosoma, 376 ; in Planocera, 11Q ; in 

 Planorbis, 322 



Cerebral grooves, -closure of, in embryo of 

 Agdi'iia, 232 ; formation of, in embryo of 

 Aydena, 225; in embryo of Ax/nnix, 

 184 ; in embryo of Peripatus capensis, 

 175 



Cerebral pit, formation of, in larva of />;v/\- 

 sensia, 341 ; in embryo of J'fdicif/i/ni, 

 400 



Cerebratul-uslacteus, development of, 118-126 



( Vstidea, 53 



Cestoda, 102, 103 



Chaeta sacs of larva of Terebratulina 

 septentrional is, 411, 413 



