324 



INDEX 



CMt— (Continued) 



gill (see Cleft, branchial) 



hyomandibular, 105 



stomodeal {syn. stomodeal invagina- 

 tion), 23, 128, 130, 135, 142, 

 145, 148, 156, 195 



visceral (syn. gill slits), 25, 133, 195, 

 196, 208 

 Cloaca, 42, 56, 135, 148, 164, 205, 207, 



226, 245 

 Coating, surface, 104, 105, 107 

 Cochlea (see Lagena) 

 Coelenterata, 14 

 Coeloblastula, 93 



Coelom (syn. splanchnocoel, peritoneal 

 cavity), 137, 145, 147, 151, 158, 

 219, 227, 228, 231, 245, 247 

 Collecting tubule, 36, 37, 40, 229 

 CoUiculus, inferior, 40 

 Colloid, 65 



Columella (syn. plectrum), 178, 215, 252 

 Commissural fibers (see under Fibers) 

 Commissure, anterior, 162 



anterior pallial, 162, 163, 164 



posterior, 163, 164, 166 

 Concept, germ layer, 14 

 Conjunctiva, 175 

 Conklin, E. G., 8 

 Constriction, 109 



Contraction stage (see under Stage) 

 Convergence, dorsal, 109 

 Cooper, Ruth, 253 

 Copenhaver, W. M., 8 

 Coracoid, 218 



Cornea, 26, 28, 170, 192, 244, 252 

 Cornu trabeculae of olfactory organ (see 



under Olfactory organ) 

 Corpora adiposa (see Fat bodies) 

 Corpora bigemina (see Optic lobe) 

 Corpuscle(s), 150 



blood, 228 



Malpighian (see Malpighian corpuscle) 



renal (see Malpighian body) 

 Cranium, 214 



placode of, 179, 181 

 Crepidula, 108 



Crescent, gray, 19, 25, 27, 76, 81, 83, 84, 



94, 96, 100, 109, 110, 111, 112 



Crest segment (cranial), 182, 184, 191, 



251 

 Croak, warning, 40 



Croaking sound, 31, 43 



Crura cerebri, 163, 166 



Cutis of the eye (see under Eye) 



Cutis plate (see Dermatome) 



Cuvier, 6 



Cyst wall (see Theca interna) 



Cytoplasm, 2, 3, 48, 58 



D 



Dalcq, A. W., 8, 98 



D'Angelo, S. A., 202, 217 



Davenport, 24 



de Beer, G. R., 8 



Delamination, 108 



Dentary bones, 216 



Dermal bones, 214, 216 



Dermatome (syn. cutis plate), 147, 148, 



186, 209, 211, 249 

 Dermis, 211 

 Detwiler, S. R., 8 

 Development, early, 1, 2, 3 



embryonic, 4, 5, 19 



rate of, 26 



stages of, for Rana pipiens, 17, 28, 29 



unfolding (see Epigenesis) 

 Diakenesis stage (see under Stage) 

 Diencephalon (syn. thalamencephalon. 

 "between brain"), 150, 152, 158, 

 164, 190,244 

 Differentiation, 101, 102, 103 



cell (specialization). 15 

 Diocoel, 135, 141, 146, 150, 158, 162, 163, 



164, 165, 168, 244 

 Diplotene, 34, 57 



Disc, intervertebral (or ligament), 213 

 Division, equational, 33 



post-reductional, 33 



reductional, 33 

 Dorsal thickening (see Thickening, dor- 

 sal) 

 Driesch, H., 8 

 Duct, bile (see Bile duct) 



endolymphatic, 152, 176, 176, 177, 177, 

 182, 192, 245, 252 



hepatic, 204 



hepato-pancreatic, 205 



mesonephric (syn. Wolffian duct), 39, 

 40, 222, 122, 225, 226, 227, 228 



Miillerian (see MUUerian duct) 



pancreatic, 204 



