944 



INDEX 



Cockle, 8, 481. 

 Cockroach, 370, 407. 



— leg of, 374. 



— male and female, 370. 



— mouth-parts of, 371. 



— ventral aspect of, 373. 

 Cocoon, 399. 

 Cod, 616, 641. 



— pectoral girdle and fin of, 621. 



— skuU of, 620. 

 Codosiga, 133. 

 Coelentera, 12, 167. 



— general characters of, 167. 



— history of, 206. 



— muscle-cells of, 49. 



— nervous system of, 173. 



— survey of, 201. 



— types of, 174- 



Ccelenterate structure, diagram of, 169. 

 Coeliac ganglia, 803. 

 Coelom (see Body cavity), 393. 

 Coelom pouches, 83. 

 Coelomata and Coelentera, 11, 12, 168. 

 Coelomoducts, 267. 

 Coeloplana, 206. 

 Coemmis, 228, 229. 

 Cold-blooded, 781. 

 Coleoptera, 384, 406. 

 Collembola, 368, 384, 389, 397, 407. 

 Colloidal nature of protoplasm, 37, 38. 

 Collozoum, 133. 



Colobus, 885. 



Colon, 802. 



Colour in caterpillars, 401. 



— in Crustacea, 360. 



— in fishes, 627. 



— in Insects, 369, 387, 394. 



— in Onychophora, 362. 



— in Protozoa, 137. 



— in Sepia, 457- 



— in spiders, 422. 

 Colouring of birds' eggs, 761. 

 Columba, 732. 



— livia, 107, 732- 



Columella of Vertebrate ear, 550. 



— or epi-pterygoid, 711. 



— in corals, 198. 



— in snail, 438. 

 Colymbidae, 772. 

 Comatula, 311. 

 Commensal bivalves, 481. 

 Commensalism among Crustacea, 360. 

 Fishes, 630. 



— of sea-anemone and hermit-crab, 208, 



209. 

 Commissures of Mammalian brain, 798. 

 Complemental males among Cirripedia, 



345- 



Crustacea, 357. 



Myzostomata, 271. 



Compsognathus, 720. 

 Conchifera {see Bivalves), 479. 

 Conchin = Conchiolin, 437, 458, 469. 

 Condor, skeleton of, 738. 

 Condylarthra, 832, 860. 

 Condyles, occipital, 778. 



Conjugation, dimorphic, 64, 142. 



— multiple, 63, 142. 



— of Paramoecium, 118. 



— of Protozoa, 63, 64, 142. 



— of Vorticella, 120. 



— ordinar}', 64. 



— significance of, 143. 

 Conjunctiva, 552. 

 Connective tissue, 47. 

 Conocephalites,. 430. 

 Conodonts, 585. 



Continuity between generations, organic, 



88. 

 Contractile vacuoles, 112, 136. 

 Contraction of muscle, 29, 49. 

 Contrasts between plants and animals, 23. 

 Conus arteriosus, 561. 

 Convergence, 44, 368, 840. 

 Convoluta, 214. 

 Copepoda, 341. 

 Coracoid, 537, 793- 

 Coral, life-history of a, 82. 



— making of, 196, 196. 



— snake, 709. 

 Corallium, 195, 201, 205. 



— rubrum, 199. 

 Corals, 12, 13, 172, 196. 

 Cordylophora, 204, 209. 

 Corium, 532. 

 Cornea, 552. 

 Coronella, 709. 



Corpora quadrigemina, 799. 

 Corpus callosum, 797. 



— geniculatum, 798. 



— luteum, 818. 



— striatum, 797. 

 Correlated variation, 43. 

 Correlation of organs, 43. 

 Corrodentia, 384, 407. 

 Corticata, 130. 

 Cottidae, 641. 

 Cotvlophora, 851. 

 Courtship of Birds, 759. 



— of Spiders, 421. 

 Cowper's glands, 811. 

 Coxa, 372. 



Coxal glands of Peripatus, 364. 



of scorpion, 414. 



Crab, 336. 



■ — cephalothorax of, 336. 



— shore, 337, 338. 



nervous system of, 355. 



zooea of, 358. 



— swinm^iing, 337. 

 Cradactis, 191. 

 Crambactis, 209. 

 Crangon, 331, 353- 

 Crania, 287. 

 Cranial nerves, 544. 



of skate, 597. 



Craniata, 16, 529, 573- 



— general structure of, 531. 

 Craspedon of swimming-bell, 181. 

 Craspedota, 190. 



— and Acraspeda, 190. 

 Crax, 756. 



