XXVlll 



LIST OF ILLUSTRATIONS 



FIG. 



513. Vertebra, rib, and sternum of Balcenoptera — from specimen 



in Anatomical Museum, Edinburgh 



514. Lower jaw of a rodent .... 



515. Skull of tiger, lateral view 



516. Lower surface of dog's skull 



517. Side view of the brain of a dog . 



518. Fore -arm and hand of the mole 



519. Outline of a bat's wing .... 



520. Skeleton of one of the large bats (Megachiroptera) 



521. Skull of orang-utan .... 



522. Skull of gorilla ..... 



523. Fore-limb of a small monkey . 



524. Skeleton of male gorilla .... 



525. Hind-limb of a gibbon .... 



526. Restoration of head of Pithecanthropus erectus — after 



MacGregor ..... 



527. Restoration of head of Homo neanderthalensis — after 



MacGregor ..... 



528. Zoo-geographical regions of the earth's surface 



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