NDEX 615 



C. macroceras, 50 



Ceratophyllus fasciatus, 442; 441 



Cerci anales, 386 



Cerebral ganglia, see Brain; Gan- 

 glion, Cerebral 



Cerebral organ, 207 



Cerebral vesicle, 598, 599 



Cerebratulus, 209 



C.fuscus, 206 



Cervical groove, 296 



Cervical sclerites, 385 



Cestoda, 197; 174 



Cestoda Merozoa, 199 



Cestoda Monozoa, 198 



Cestus Veneris, 173 



Chaetae, 228, 228; 270; of Acan- 

 thobdella, 267 ; of Archiannelida*, 

 261 ; of Chaetopoda, 229 ; of Echi- 

 uroidea, 268 ; of Oligochaeta, 253, 

 254, 259, 260; of Polychaeta, 231, 

 232, 233, 235, 237, 239 



Chaetognatha, 542 ; 2 



Chaetopoda, 229 ; 228 



Chaetopterus, 231, 237 



C. pergamentacetis, 236 



Chambered organ, 580; 554, 579 



Chambers, of cephalopod shells, 

 525 ; of Foraminifera shells, 70 



Cheeks of Trilobita, 287 



Cheilostomata, 537; 532 



Chela, 303 



Chilaria, 445, 454 



Chilina, 491 



Chilomonas, 46 



Chilopoda, 375 



ChirocephaluSy 275, 290, 291, 294, 

 296, 311, 319, 321, 322, 325, 328, 



333 

 C. diaphanus, 318, 319 

 Chironomus, 391 ; 267 

 Chiton, 474; 124, 287, 475, 508 

 Chlamydomonas, 50; 16, 24, 25, 26, 



27, 29, 33, 40, 51, 54 

 C. angulosa, 25 

 C. brauni, 26, 27 

 C. euchlora, 26 

 C. longistigma, 25 

 C. media, 27 

 C, steini, 26 

 Chlamydospores, 33 

 Chlorocruorin, 230 

 Chloromonadina, 48 ; 44 

 Chlorophyll, 41 

 Chloroplasts, 41 ; 14 



Choanocytes, no, in, 112, 113, 

 116, 117 



Choanoflagellata, 59 



Choanoflagellidae, see Choanoflagel- 

 lata 



Chondr acanthus, 335 



C. gibbosiis, 336 



Chondrioderma, 82 



C. difforme, 81 



Chonotricha, 107; 22, 28 



Chordata, 583 ; 2 



Chorion, 394 



Chromatophores, of Cephalopoda, 

 515 ; of Crustacea, 307; of Phyto- 

 mastigina*, 41 ; 14, 24, 42, 44-9 



Chromidium, 23 



Chromoplasts, see Chromatophores 

 of Phytomastigina 



Chrysamoeba, 44 



C. radians, 45 



Chrysaora, 151 



Chrysidella, 46 



C. schaudinni, 47 



Chrysomonadina, 44; 16, 56 



Chrysops, 436; 223 



Cicada septendecim, 419 



Cicindela, 390 



Cilia, 13 ; of Ciliata, 97, 98 ; of Ciona 

 pharynx, 594, 595 ; of lamelli- 

 branchiate gill, 501 



Ciliary junctions, 499 



Ciliary organ, 243 



Ciliata, 96 ; 103 



Ciliated band, of Dipleurula, 555 ; of 

 Tornaria, 590 



Ciliated funnel, see Dorsal tubercle 



Ciliated pits, 176; 180 



Ciliated ring, see Ciliated band, 

 Metatroch, Prototroch, Velum 



Ciliophora, 95; 19, 21, 38, 39 



Ciliospores, 33 



Cimicidae, 417 



Cingulum, 211 



Ciona, 599; 595, 596, 597, 599, 

 602 



C. intestinalis, 592; 591, 593, 594 



Circulation of blood, 122; in Ano- 

 straca, 311; in Araneida, 458; in 

 Arenicola, 240; in Arthropoda, 

 279; in Balanoglossus, 588; in 

 Chaetopoda, 230; in Ciona, 596; 

 in Copepoda, 314, 334; in Echino- 

 dermata, 553; in Insecta, 390; in 

 Lamellibranchiata, 505 ; in Mala- 



