352 



Index 



Crocodile Continued 

 African, caves of, 41 



distribution of, 40 



egg laying of, 41 



held sacred, 40 



in Madagascar, 40 



mentioned by Herodotus, 40 



Voeltzkow's account, 40 

 American, 2, 37 



colors of, 39 



distribution of, 38 



Ditmars' experience, 38 



range of, 37 

 cataphractus, 2 

 Cuban, 2, 39 

 derivation of name of, 40 

 Guatemala, 2 

 intermedius, 2, 39 

 johnstoni, 2 

 Madagascar, 2 



eggs of, 228 



hatching of, 41 



nest of, 41 

 man-eating, 40, 43 

 marsh, or mugger, 42 

 moreletti, 2 

 Nile, 21, 39 

 niloticus, 2, 39 

 Orinoco, 2, 39 

 palustris, 3, 42 



migration of, 42 

 porosus, 2 

 rhombiferus, 2, 39 

 robustus, 2 

 rough-backed, 3 

 salt-water, 2, 42 



in captivity, 43 



habitat, 43 



size of, 42 



skeleton of, 51 

 sharp-nosed, 2 

 Siamese, 2 

 swamp, 3 

 Crocodilia, I 

 Crocodilidae, I, 2, 3 



Deaths by crocodiles in Africa, 40 



in India, 43 

 Deltoid ridge, 83 

 Dentine, 65 

 Dermal skeleton, 47 

 Diaphragm, 115 



Digestive system, 152 

 Digestive tract, fixation of, 159 



histology of, 189 



outline of, 158 



Digits, development of, 329, 332 

 Dinosauria, 4 

 Dorsal aorta, development of, 277, 



278, 327 



Dorsal fissure, 131, 132, 133 

 Dorsal shield, 47 

 Drum, 148, 149 

 Ductus Cuvieri, 312 



Ear, 147, 148 

 Ectoderm, 233 

 Eggs, 227, 231 

 artificial incubation of, 24 

 incubation of, 22 

 number of, per nest, 21, 22, 23 

 shape of, 228 

 shell of, 228 

 size of, 25, 227, 228 

 taken from oviduct, 24 

 variation in size of, 26 

 weight of, 25 

 Elizabeth Thompson Science 



Fund, 226 

 El lagarto, 40 



Embryo, development of, 231 

 earliest stages of, 232, 233 

 position of, 230 

 removal of, from egg, 231 

 stages: I., 233; II., 235; III., 

 240; IV., 247; V., 249; VI., 

 257; VII., 266; VIII., 267; 

 IX., 273; X., 282; XL, 293; 

 XII., 293; XIII., 300; XIV., 

 307; XV., 316; XVI., 317: 

 XVII., 318; XVIII., 328: 

 XIX., 328; XX., 329; XXL, 

 333; XXIL, 334: XXIIL, 



334 



Embryology, summary of, 335 



Enamel, 65 



Endoskeleton, 50 



Enteron, development of, 261, 



262, 269, 271, 278, 287 

 Entoderm, 234 

 Epidermal skeleton, 46 

 Epiglottis, 197' 

 Episternum, 81 

 Epitrichial cells, 48 



