INDEX 



695 



Codosiga, 65 ; 8 ; wnbellata, 65 



Coelenterata, 146; i, 129, 196 



Coeliac canal, 656 



Coelom, 133 ; 2, 129, 130, 135, 141 ; of 

 Acanthohdella, 300; of Annelida, 

 260; of Archiannelid genera, 294, 

 296 ; of Arenicola, 272 ; of Arthro- 

 poda, 314; of Balayioglossus, 662; 

 of Brachiopoda, 616, 618; of 

 Cephalochorda, 660; of Chaeto- 

 gnatha, 619; of Chaetopoda, 260, 

 262; of Chordata, 660; of Cri- 

 noidea, 656 ; of Crustacea, 346 ; 

 of Dipleurula, 627 ; of Echino- 

 dermata, 626, 633 ; of Echiuroidea, 

 261 ; of Hemichorda, 660, 661 ; of 

 Hirudinea, 261, 298, 299, 300; of 

 Mollusca, 543; of Peripatus, 319; 

 of Polyzoa, 606 ; of Sepia, 593 ; of 

 Sipunculoidea,26i ;ofSnail,556;of 

 Tunicata, 661, 675 ; of Vertebrata, 

 661. See also Pericardium 



Coelomoducts, 134; 140, 141; of 

 Arthropoda, 315; of Chaetopoda, 

 262 ; of Crustacea, 347 ; of Mol- 

 lusca, 545 ; of Polychaeta, 275, 276, 



277 

 Coeloplana, 196 

 Coenosarc, of Calyptoblastea, 153 ; of 



Polyzoa, 608 

 Colacium, 52 



Coleoptera, 429 ; three types of, 494 

 Coleopterous larvae, 457 

 Collar, of Balanoglossus, 662 ; of Chae- 



topterus, 270; of Choanoflagellata, 



65 ; of Pterobranchia, 668 

 Collar cavities, 661 ; of Balano- 

 glossus, 663 

 Collar cells, see Choanocytes 

 Collar pores, 663 ; of Balanoglossus, 



663 

 Collembola, 463 ; 444 

 Colleterial glands, 447, 448 

 Colletes, 498 

 Collinia, 107; 33 n. 

 Colloblasts, see Lasso cells 

 Collozoum, 81 ; inerme, 41 

 Collum, 424 



Colon, see Large intestine 

 Colonies, of Alcyonaria, 180, 183; of 



Carchesium, 1 1 1 ; of Hydroids*, 153, 

 154, 157, 158, 162, 163, 164, 165; 



of Polyzoa, 606, 608; of Protozoa, 

 8; of Rhabdopleura, 668; of Si- 



phonophora, 166, 167, 168, 169; of 

 Syllis rarnosa, 280; of Tunicata, 

 677, 680, 685 ; of Volvocina, 57, 58 ; 

 of Zoantharia, 186 



Colpidium, 109 



Colpoda, 109; 42; steini, 108 



Columella muscle, 555 



Compasses, 645 



Compensation sac, 608 



Complemental males, 380 



Compound ascidians, 679 



Compound eyes, see Eyes 



Conchostraca, 362; 327, 333, 354 



Conjugants, 33 



Conjugation, 6,30. See also Syngamy 



Contarinia nasturtii, 510 ; pyrivora, 



509 

 Contractile vacuoles, 20; of Euglena, 



52 ; of Heliozoa, 83 ; of Protozoa, 22 

 Conus, 562, 563 

 Convoluta roscoffensis , 213 ; 48,48, 57 ; 



henseni, 214 

 Copepoda, 370; 330, 333 

 Copeus, 240 



Copidosoma gelechiae, 446 

 Copromonas, 52; 31 ; subtilis, 53 

 Coprozoic Protozoa, 43; 31 

 Copulatory bursa, 250; spicules, 250 

 Corallium, 184, 186; rubrum, 184 

 Corals, of Alcyonaria, 185; of Hy- 



drocorallinae, 165; of Madre- 



poraria, i86, 189-92; of Polyzoa, 



608 

 Cordylophora, 164 

 Corethra, 436 

 Corixa, 476 

 Corm, 336 

 Cormidium, 166 

 Cornularia, 183 

 Corona, 640 



Corpuscles, 131. See also Blood 

 Cortex, of Ciliata, 105; of Porifera, 



120; of Protozoa, 13 

 Corticata, 44 

 Corymbites cupreus, 494 

 Coryne, 539 

 Cossidae, 491 

 Cossus, 491 



Cotton spinner, see Holothuria 

 Course of circulation, see Circulation 



of blood 

 Coxa, 428 

 Coxal glands, of Arachnida*, 520, 



529; of Arthropoda, 315 



