IXDEX 



329 



Unguiculator (Lat. unrjuis a claw), 



limbs of the, 151 

 Unguinal phalanges (Lat. unguis a 



claw, and Gr. phalanx a row of 



soldiers), 119 

 Ungulata (Lat. ungula a hoof), limbs 



of the, 151 

 Urohyal (Gr. ouron urine), 53 



Varanus, osteology of the, 91, 93; 

 dentition of the, 251 



Vascular canals of teeth, 231 



Vasodentine (Lat, vasum a vessel, 

 and dwis a tooth), 233 ; in various 



. genera of fishes, 247 



Vertebra (Lat. vei-to to turn, or 

 vertebra a turning joint), a gene- 

 ral term for the vertebral seg- 

 ments of the skeleton, 221 ; the 

 parietal and thoracic, 28; auto- 

 genous and exogenous parts of 

 the, 27, 28; frontal segment, 45; 

 parietal, 44 



Vertebrse of the neuroskeleton, 26; 

 various modifications of the, 28 ; 

 development of the, 33 ; the cau- 

 dal, modifications of the, 55 ; of 

 the ophidian reptiles, 84, 86 ; 

 of the lizard, 91 ; of the croco- 

 dile, 95 et seg. ; various types of, 

 97 et seq. ; lumbar and sacral, of 

 the crocodilia, 100; caudal, 102; 

 of the tortoise, 129; of the swan, 

 139; formula of the, in herbivo- 

 rous quadrupeds, 175; of the 



bat, 198; of the lion, 201, 202; 

 of the kangaroo, 207 



Vertebra ta (Lat. vertebra a turning 

 joint), the highest division of the 

 animal kingdom, 14 ; the four 

 classes of, 14, 15 ; composition 

 of their bones, ib. 



Vcrtebrated animals, their success- 

 ive transmutations, 220 



Vespertilio murinus (Lat. the com- 

 mon bat), skeleton of the, 199 



Villiform teeth, 241 



Vomer (Lat. a ploughshare), 47, 80 



W 



Walrus, skeleton of the, 159 

 Water-rats of Australia, dentition 



of the, 259 

 Whale, its skeleton, 153; its teeth, 



258 

 Wing of the duck tribe, 143 

 Wolf-fish, teeth of the, 245, 246 

 Wrasse, teeth of the, 243 



Xiphisternum (Gr. xiphos a sword, 

 and sternon the breast bone), 128 



Zygantium, 86 



Zygapophysis (Gr. zugos junction, 

 and apophysis springing from), 27 



THE END. 



