6GS 



INDEX. 



Crab stones. 433 



Crangon, 434, 435 



Crane flies, 492 



Cranes, 615 



Crania, 328 



Cranial nerves, 536 



Craspedon, 235 



Craspedota, 235 



Crassatella, 359 



Crassilinguia, 599 



Crayfish, 435 



Creodonta, 648 



Crepidula, 379 



Crepidula, cleavage of egg, 154 



Cretaceous, 180 



Cribillina, 324 



Cribrellum, 452 



Crickets, 481 



Crinoidea, 338 



Crisia, 324 



Crista acustica, 127, 542 



Crista sterni, 605 



Crocodilia, 601 



Crocodilus, 602 



Crop, 106, 467 



Crossbill, 616 



Crosses, 27 



Crossopterygii, 573 



Crotalidae, 601 



Crotalus, 601 



Croton bug, 480 



Crows, 616 



Crura cerebri, 623 



Crustacea, 408 



Cryptobranchus, 587 



Cryptocephala, 313 



Cryptochiton, 357 



Cryptodira, 596 



Cryptoniscus, 442 



Cryptopentamera, 484 



Crystalline cone, 405 



Crystalline style, 364 



Ctenidia, 353 



Cteniza, 453 



Ctenobranchia, 379 



Ctenodiscus, 337 



Ctenoid scale, 558 



Ctenolabrus, 576 



Ctenophora, 261 

 Ctenoplana, 264 

 Ctenostomata, 324 

 Cubomedusse, 250 

 Cuckoos, 616 

 Cuculiformes, 616 

 Cuculus, 616 

 Cucunnaria, 349 

 Culcita, 334, 337 

 Culicidae, 492 

 Cumacea, 437 

 Cunina, 242 

 Cunocantha, 239, 242 

 Curculio, 4S5 

 Currant worm, 494 

 Cursorial foot, 614 

 Cursoria, 480 

 Cuspidaria, 368 

 Cutaneous artery, 585 

 Cuticle, 75 

 Cutis, 514 



Cuttle bone, 388, 395 

 Cuttle fish, 395 

 Cuvier, 14, 15 

 Cuvierian ducts, 548, 567 

 Cuvierian organs, 348 

 Cyamus, 440 

 Cyanea, 250 

 Cyanocitta, 616 

 CycladidK, 368 

 Cyclas, 36S 

 Cycloid scale, 558 

 Cyclometopa, 437 

 Cyclostomata, 324, 555 

 Cyclostomidas, 380 

 Cyclopidse, 421 

 Cyclops, 37, 421 

 Cydippidse, 264 

 Cygnus, 615 

 Cymbulidce, 382 

 Cymothoa, 440, 442 

 Cynipid^e, 4S6 

 C}'nocephalus, 651 

 Cynomorphce, 65 1 

 Cynomys, 639 

 Cynthia, 510 

 CynthiidL-e, 510 

 CyprceidLE, 3S0 



