I^^DEX. 



321 



Frog, skeleton of the, 08, G9, 71 ; 



metamorphosis of its skeleton, 



68 ; of its skull, 70 

 Frontal segment, or vertebrfe, 45. 

 Frontals (Lat. frons the front) of 



the python's skull, 79 

 Furculum bone (Lat. furca a fork), 



139 



G 



Galeopithecus (Gr. gale a weasel, 



and pithikos a monkey), teeth of 



the, 807. 

 Ganoid (Gr. ganos brightness), a 



term applied to the scales of cer- 

 tain fishes, 19 

 Ginglymoid condyle (Gr. ginglymos 



and eidos hinge-like), 46 

 Graffe, skeleton of the, 170; bony 



structure of its head, 174 

 Glossohyal (Gr. glossa the tongue, 



and hyoid the bone like the Greek 



letter vpsilon), 53 

 Glyptodons (Gr. glupho to engrave, 



and odous a tooth) of S. America, 



20 

 Gobioids (Lat, gohio a gudgeon, and 



Gr. eidos resemblance), osteoden- 



tine of the, 247 

 Goniodonts (Gr. gonia an angle, and 



odous a tooth), teeth of the, 242 

 Goose, skeleton of the, 140 ; quill 



feathers of the, 144 

 Gorilla, dentition of the, 302 

 Grinders of the elephant, 281 et seq. 

 Gryllotalpa (Gr. grillizo to grunt, 



and Lat, talpa a mole), bones of 



the, 197 



II 



Hcemal arch (Gr. haima blood), of 

 the vertebra, 26, 43 ; of the occi- 

 pital vertebra of the cod-fish, 40; 

 called the hyoidean arch, 43 



Heemal arches of the skull — the 

 scapular, the hyoidean, the man- 

 dibular, and the maxillary, 51 ; 

 diverging aj^pendages of the — 



the pectoral, the branchi-ostegal, 

 the opercular, and the pterygoid, 

 51 



H^mal spine of parietal vertebra, 

 its divisions — basihyal, glosso- 

 hyal, and urohyal, 44 



Ilajmapophyses (Gr. haima blood, 

 and apophysis springing from), 

 bones of the vertebra, 27 et seq. 

 ssepe, 



Hoemapophysis of the parietal ver- 

 tebra, its divisions — epihyal and 

 ceratohyal, 44 



Hallux (Lat. the great toe), 146 



Head, bones of the, 48 ; and their 

 classification, 48, 49 ; structure 

 of the, in fishes, 56 



Hearing, organ of, 31; in the cod- 

 fish, 43 ; the petrosal and the 

 otosteal of the cod-fish, 43 



Hippopotamus (Gr. hippos a horse, 

 and potamos a river), skeleton of 

 the, 178 ; tarsal bones of the, 187 



Hog, osteology of the, 180; denti- 

 tion of the, 310 



Holoptychius (Gr. holos entire, and 

 ptychos a fold), plicidentine of 

 the, 247 



Hoofed beasts, even-toed, osteologi- 

 cal characters of, 180 



Hoofed quadi'upeds, skeletons of, 

 162 



Hornbill, enormous beak of the, 24 



Horse, skeleton of the, 162; its 

 vertebral formula, 164; its tarsal 

 bones, 185, 186; incisor tooth of 

 the, 235 ; herbivorous dentition 

 of the, 270 ; its upper and lower 

 molars, 271 ; development and 

 succession of teeth in the, 272 



Human teeth, homologies of the, 

 313 



Hyena, dentition of the, 265 ; 

 strength of his jaw, ib. 



Hybodus, (Gr. hybos hump-backed, 

 and odous a tooth), osteodentine 

 of the, 247 



Hydromys (Gr. hydor water, and 

 mus a mouse), 259 



Hyoidean arch (Gr. u-eidos like the 

 letter U), the name of a hiemal 

 arch, 44, 53 



