INDEX 



Goniale — {Continued) 



aceus) foetal, Fig. 115, 221; of 



human embryo. Fig. 115, 221 



Gorgonopsian reptiles, see Reptiles 



Gorilla, external ear of. Fig. 110, 



213,214; facial muscles of, Fig. 



23, 42; facial nerve of. Fig. 



24, 44; hands of, 198; head, 

 longitudinal section. Fig. 67, 

 124; lacrymal bone, 200; 

 lachrymal bone of foetal, 199; 

 nose of, 164, 170; nose of, 

 foetal. Fig. 84, 161; palatal 

 arch of male. Fig. 74, 140; 

 nasal meati and sinuses of, 

 161; skull compared with 

 Piltdown, 143; skull of young 

 g., front view. Fig. 102, 197; 

 teeth foreshadow "shovel 

 shaped" incisors, 138; teeth, 

 lower molar. Fig. 79, 150; 

 teeth, canine, resemblance to 

 Piltdown, 141; central incisors 

 of young. Fig. 72, 137; milk 

 teeth of young. Fig. 76, 146; 

 tongue of young, 123 



Gregory, William K., his con- 

 tributions to palaeontology, 

 86; places separation of man 

 and anthropoids in Lower 

 Miocene, 74; on hind-feet of 

 primates, 54; "Origin and 

 Evolution of the Human 

 Dentition," 146 



Gregory, William K., and Milo 

 Hellman, 146; "The Denti- 

 tion of Dryopithecus and the 

 Origin of Man," 146 



Gregory, William K., and 

 Simpson, G. G., describe 

 Cretaceous mammals, 51 



Growth, glandular factors afiFect- 

 ing, 237; mechanism of, 172; 

 stimulation of, by "hor- 

 mones," 171; types of, in 

 man. Fig. 117, 232 



Gular plates, elimination of. Fig. 

 17, 30; also 114 



Hagfishes (Cyclostomata), com- 

 pared with ostracoderms, 97; 

 ostracoderms ancestral to, 

 10; tongue of, 123 



Hair, origin and function of, 41; 

 possibly possessed by mam- 



mal-like reptiles of Trias, 42 

 Hands, correlated use of eyes, 



hands and feet, by primates, 



64; evolution of primate, 63; 



progressive changes of, 198 

 Hatteria, labyrinth of. Fig. 104, 



205 

 Hatteria, see also Sphenodon 

 Haughton, S. H., his contributions 



to palaeontology, 86 

 Head, evolution of primitive. Fig. 



2, facing 6; inheritance of 



head shape, 236; nature and 



function of, 12; 

 of arachnids, 7 

 of Australopithecus, restored. 



Fig. 47, facing 73 

 of Deltatheridium, restored. Fig. 



29, 50 

 of Echidna, Fig. 23, 42 

 of flatworm {Planaria), Fig. 2, 



facing 6 

 of frog, transverse section. Fig. 



106, 208 

 of gorilla, young, longitudinal 



section. Fig. 67, 124 

 of Labidosaurus, Fig. 23, 42 

 of lamprey, larval, longitudinal 



section. Fig. 56, 94 

 of man, longitudinal section. 



Fig. 67, 124 

 of man, embryo, third week. 



Fig. 69, 127 

 of ostracoderms, 11 

 of rabbit, longitudinal section. 



Fig. 5Q, 94 

 of sand-flea (Orchestia), Fig. 2, 



facing 6 

 of shark, cartilaginous skeleton 



of. Fig. 7, 17 

 of shark, dissection of. Fig. 81, 



155 

 of shark (Chlamydoselachus), 



Fig. 5, facing 12 

 of shark (Chlamydoselachus), 



diagram. Fig. 6, 13 

 of Sphenodon, Fig. 23, 42 

 of Zalamhdalestes lechei, re- 

 stored. Fig. 29, 50 

 Hearing, the mechanics of, 204 

 Hedgehog (Erinaceus) foetal, 



auditory ossicles of. Fig. 115, 



221 

 Heidelberg man (Homo heidel- 



hergensis), chin of, 72; lower 



271 



