INDEX 



907 



CORTI, ORGAN OF 869 



CORTICAL PARENCHYMA, definition 



of 230 



COSTA, kos'tah (L. costa, a rib) 335 



COTYLEDON, kot'ile'don (G. kotyle, 



a cup ) 203 



COTYLOID BONE, kot'Iloid (G. kotyle 



+ eidos, form ) , definition of 707 



COTYLOSAURIA, kot'ilosa'ria (G. 



kotyle + sauros, lizard) 694 



COVERING TISSUES, definition of.. 234 



COWPER'S GLAND 820 



COXA, kok'sfi (L. coxa, hip) 328 



COXOPODITE, koksop'odit (L. coxa 



+ G. pous, foot) 31 f t 



CRANIAL NERVES (G. kranion, 



head) 67, 68, 861 



CRANIATA, krania'ta (G. kranion, the 



skull) 424, 431, 543, 640 



Definition of '. . .431 



CRANIUM, kra'ninm (G. kranion, 



head) 73, 686 



CRAYFISH 312-327 



Adaptations 316 



Autotomy 324 



Circulatory system 318 



Crustacea 325, 326 



Digestive system 318 



Excretory system 321 



External appearance 313 



Muscular system 323 



Nervous system 321 



Parasitic Crustacea 325 



Regeneration 324 



Reproductive system 323 



Respiratory system 320 



Sense organs 321 



Serial homologies 316 



CREMASTER MUSCLE, kremas'ter 



(G. kremannunai, to hang) 818 



CREODONT, kre'odont (G. kreas, flesh 



+odous, tooth ) 73// 



CRESCENT, GRAY, definition of 552 



CREST (L. cresta, a crest) 77 



CRETINISM, kre'tinizm (F. cre- 



tinisme, probably Christian) 53 



CRICKET, krik'et (M. D. kriecker, 



creaker ) Sj2 



CRICOID, krik'old (G. krikos, a ring 



+ eidos, form ) 762 



CRIXOIDEA. krinoi'de (G. krinon, a 



lily -f- eidos, resemblance) 420, 428 



A class of Echinodermata, the sea 

 lilies or feather stars. 

 CRISTA GALLI (L. crista, a crest -j- 



fjalhis, cock ) 868 



CRITERIA FOR A SATISFACTORY 



EVOLUTIONARY THEORY 413 



CROCIDURA COERULEA, krosidii'ra 

 seru'lea (G. krokys, piece of woolen 

 cloth -f- L. coeruleus, sky-colored) .678 



CROCODILE HEART 785 



CROCODILfA, krok'ohdill'eeah (L. 



crocodile) 425, 651, 653 



CRO-MAGNON MAN (Gael.-Ir. cro, 



blood, death ) , definition of 400 



CROP (M. E. croppe, top of plant) 



329, 744 



CROSSOPTERYGII, cross sop'teryg'ee- 



eye (G. krossoi, fringe; pteron, 



wing) 425, 642 



CROTALINE SNAKES (G. krotalon, 



a rattle) 733 



CROWN OF TOOTH 735 



CRURA CEREBRI, kroo'ra cg'rebri 



(L. cms, leg + cerebrum, brain) 



572, 839, 860 



CRUREUS, kroo'reus (L. crus, leg) . . 82 

 The vastus internus muscle of the 



thigh. 



CRUS, kriis (L. crus, leg) 45, 708 



CRUSTACEA, krusta'shia (L. crusta, 



a crust) 421, 429 



A class of Arthropoda, mostly 

 aquatic, that breathe by gills. 



CRYPTOBRAXCHUS ALLEGHENI- 

 EN8I8, kriptobrang'kus (G. kryptus, 

 hidden + brangcJtos, gill) 648 



CRYPTOCEPHALA, kriptdsefalfi (G. 

 kryptos, hidden -f kephale, head )'.'. 420 

 An order of Polychaeta. 



CRYPTODIRA, kriptodi'ra (G. kryptos 

 + deire, neck) 652 



CRYPTOGAMS, krip'togam (G. kryp- 

 tos, hidden -j- gamos, union ) 225 



CRYPTONISCUS, kriptonis'kus (G. 

 kryptos + oniskos, a wood louse ) . . 327 



CRYPTURJFORMES, kriptn"ifor'mez 

 (G. kryptos, hidden + oura, tail -f- 



forma, form) 425 



Flying terrestrial birds with short 

 tail and no pygostyle, as Stinamus. 



CRYSTALLINE LENS, kris'talln (G. 



krystallinos, crystalline) 70 



Transparent. " 



CRYSTALLOID, kris'taloid (G. krystal- 

 los + eidos, form) 94 



CTEIPHORA, tl'fora (G. kteinein, to 



kill -f pherein, to bring) 422 



A sub-class of Arachnoidea. 



CTENOID, ten'oid (G. ktein, comb).. 676 



CTEXOPHORA, tendf'ora (G. ktenos, 



a comb + pnoreo, I bear) 427 



Transparent, free-swimming ma- 

 rine animals, the Sea Walnuts or 

 Comb Jellies. 



CUBITIS, kii'bitus (L. cuUtus, elbow). 335 



CUBOID, ku'boid (G. kuboeides, cube- 

 like) 109 



