INDEX 



605 



Callista sublamellosa, spines on post- 



umbonal slope of, 45. 

 Callopora exsul, spines on, 45. 

 Calymmene, 113, 116, 129, 154,207,209. 

 facial sutures in, 125. 

 mouth in, Walcott, 209. 

 pleural spines in, 80. 

 Calymmenetla, 154. 



glabella in, 154. 

 Calymmenida, Hauckel, 112. 

 Calymmenida), 129, 131, 139, 152, 153. 



defined, 154. 

 Calymmenopsis, l.")4. 

 glabella in, 1 54. 

 Camarella group, 245. 

 Camarophoria, 245. 

 Camarotcechia, 318, 387. 

 acinus, 315, 388. 



areal development of, 390. 

 beak in, 388. 

 discussion of, 339. 

 plications in, 397. 

 sinus and fold in, 388. 

 indianensis, 315, 341, 343, 352, 360, 

 388. 



discussion of, 346. 

 initial shell in, 349. 

 plications in, 397. 

 sinus and fold in, 388. 

 neglecta, 315, 344, 351, 352, 366, 388. 

 abnormal variation in, 398. 

 areal development of, 390. 

 beak in, 388. 

 discussion of, 341. 

 plications in, 397. 

 sinus and fold in, 388. 

 sobrina, variation in, 366. 

 Whitii, 315, 360, 366. 



deltidial plates in, 390. 

 discussion of, 344. 

 plications in, 397. 

 sinus and fold in, 388. 

 Cancer irroratus, spines on, 47. 

 in zoea of, 56, 57. 

 cannibalistic selection, VerriU, 57. 

 Caprotina, 236. 

 Carausia, 140. 



cephalon in, 182. 

 glabella in, 140. 

 Carcinus, spines in zoea of, 57. 

 Cardium, development of spines in 

 many species of, 14. 



Carmon, 140. 



glabella in, 141. 

 Carposphcera melitomma, spines in, 48. 

 categories of origin, 26. 

 caterpillar of Schizura, mimicry in, 



Packard, 62. 

 caterpillars of certain moths, protective 

 spines and tubercles in, Packard, 65. 



origin of spines, etc., in, Packard, 

 55. 

 cattle of southern Italy, horns in, 53. 



spine production in, 13. 



Texan, horns in, 53. 

 Celmus, 148. 



Centaurea, spinescent bracts of, 74. 

 Centronella, 245, 283, 291, 305, 306, 411, 

 412, 413, 414,415. 



absence of septum supporting loop 

 in, 298. 



loop in, 281. 



punctate shells in, 411. 

 centronelliform stage, 298. 

 CentronellintB, 291. 



defined, 306. 

 Centropleura, 142. 

 cephalon, morphology of, 117. 

 cephalopod, plain protoconch of, 18. 

 Cephalopoda, 247. 



attenuation of the shell in, 91. 



secondary characters in, Hyatt, 266. 

 cephalopods, development of fossil, 

 Hyatt, Branco, Mojsisovics, 310. 



protoconch in, 121. 

 Ceratiocaris, three spines in, 84. 

 Ceratium fusus, terminal spiniform pro- 

 cesses in, 45. 



longicornis, terminal spiniform pro- 

 cesses in, 45. 



tripos, terminal spiniform processes 

 in, 45. 

 Ceratocephala, 151, 152. 

 CeratoUchas, 150, 151, 



glabella in, 150. 

 CeratopsidiE, extreme spinosity in, 70. 

 Ceratoptjge, 142. 

 Ceraurus, 113, 116, 155. 



cephalon and pygidium in, 155. 



spiniform processes in, 78. 

 Cervulus (?) dicranoceros, antler of, 53. 

 Cervus dama, antler of, 53. 



elaphus, antlers of, 17. 



pardinensis, antler of, 53. 



