LIST OF ILLTJSTKATICmS. 



Leaf Butterfly in flight and repose (from Mr. A. Wallace's " Malay's Archi- 

 pelago") 43 



Walking-Leaf Insect 47 



Pleuronectidie, with the peculiarly placed eye in different positions (from Dr. 



Traquair's paper in Linn. Soc. Trans*. 1865) .... 49, 180 



Mouth of Whale (from Prof . Owen's" Odontography") ... 53 



Four plates of Baleen seen obliquely from within (from Prof. Owen's " Odon- 



tography") ......... 54 



Dugong . . . . . . . . . . 54, 189 



Echinus or Sea Urchin . . . . . . . 56, 181 



Pedicellarise of Echinus vary much enlarged ..... 59 



Rattlesnake ........*. 62 



Cobra (from Sir Andrew SmitKs " Southern Africa") ... 63 



Wingbones of Pterodactyl, Bat, and Bird (from Mr. Andrew Murray's 



" Geographical Distribution of Mammals") . . . .77,144,171 



Skeleton of Flying-Dragon ..... . . 78, 172 



Centipede (from a specimen in the Museum of the Royal College of Sur- 

 geons) . . . . . . . . . .79, 173 



Teeth of Urotrichus and Perameles ...... 82 



The Archeopteryx (from Prof. Owen's ''Anatomy of Vertebrata r> ) . . 86, 146 



Cuttie-Fish 88, 155 



Skeleton of Ichthyosaurus 92,121,146,191 



Cytberidea Torosa (from Messrs. Brady and Robertson's paper in Ann. and 



Mag. of Nat. Hist., 1870) 93 



A Polyzoon, with Bird's-head processes ...... 94 



Bird's-head processes greatly enlarged ...... 95 



Antechinus Minutissimus and Mus Delicatulus (from Mr. Andrew Murray's 



" Geographical Distribution of Mammals ") .... 96 



