656 



INDEX OF SUBJECTS. 



ceiata, 315 



Cerca/ria, 150 



cerci, 489 



chambered organ, 546 



chela, 373 



chelicers, 439, 435 



chiastoneurism, 296 



chilaria, 430 



chloragogue-cells, 319, 338 



chlorophyll, Flagellata, 39, 30; Hy- 



drarise, 83; lufusoria, 35; Porifera, 



78 

 chordotonal organ, 495 

 chromatin, 6 

 chromosome, 11 

 chrysalis, 500 

 cilia, 33 

 cilia-plates, 121 

 cirrus, 146, 155 

 cirri, Cephalochorda, 609; Crinoidea, 



543; Myzostomese, 344; Polychseta, 



204, 205 

 clavulse, 574 

 clitellum, 219, 238 

 cloaca, Nematoda, 175, 179; Rotifera, 



193; Urochorda, 631 

 cnidocil, 77 

 cnidoblast, 77 

 coelenteron, 77 

 coelom, 57 

 coeuenchyrae, 108 

 coenosarc, 79 

 Oanurui, 158 

 colony-formation, 5, 8; Anthozoa, 108, 



111, 113, 114; Flagellata, 39; Hydro- 



medusae, 78, 85, 87, 91; Polyzoa, 



355; Rhizopoda, 21; Urochorda, 



638 

 columella, 90, 107 

 complemental males, 401 

 conjugation, 24, 35, 81, 37 

 contractile vacuole, 15 

 corallum, 89 

 cormus, 41 

 COStSB, 107 

 coxal glands, Arachnida, 441; Xi- 



phosura, 433 

 crjbellum, 449 



crural glands, Insecta, 502; Myriop- 



oda, 485, 487; Protracheata, 479. 

 crystalline style, 333 

 ctenidium, 278 

 Cuvierian organs, 588 

 cyathozooid, 633 

 CyphonauUs, 364 

 Cysticercoid, 158 

 Cysiicercws, 158 

 cytode, 8 

 cytolymph, 4 

 cytoplasm, 4 



Dactylozoid, 90 



delamination, 55 



Desor's larva, 167 



deutovum, 456 



development, Acanthocephala, 182; 

 Acarina, 456; Asteroidea, 559; 

 Brachiopoda, 378; Cephalopoda, 

 863; Cestoda, 157; Crinoidea, 551; 

 Crustacea, 417; Echinoidea, 583; 

 Enteropneusta, 605; Gasteropoda, 

 319; Gephyrea, 243; Hirudinea, 

 237; Holothuroidea, 590; Hydro- 

 medusae, 93; Insecta, 531; Nema- 

 toda, 176; Nemertina, 167; Oli- 

 gochseta, 225; Ophiuroidea, 570; 

 Pelecypoda, 339; Pentastomidae, 

 468; Phoronidae, 249; Polychaeta, 

 218; Polyzoa, 363; Porifera, 74; 

 Pycnogonida, 466; Scaphopoda, 

 324; Scyphomedusse, 103; Trema- 

 toda, 148; Turbellaria, 140; Uro- 

 chorda, 634; Xiphosura, 432 



digestive gland, Arachnida, 487; 

 Brachiopoda, 271; Crustacea, 378; 

 Mollusca, 280; Rotifera, 192; 

 Xiphosura, 430 



digestive system, Amphiueura, 286; 

 Arachnida, 487; Brachiopoda, 270; 

 Cephalocorda, 613; Cephalopoda, 

 348; Chcetognatha, 187; Chaitopo- 

 da, 306, 220; Crustacea, 377; Di- 

 nophilus, 198; Echinodera, 185; 

 Echinoderma, 539; Enteropneusta, 

 605; Gasteropoda, 300; Gastrotricha, 

 196 ; Gephyrea, 288; Hirudinea, 



