The Hedgehog's Skull, . 

 Skull of Cartilaginous Fishes, 

 Ear-diuui of Hedgehog, 

 Parts of the Palate aud Ear 

 Hedgehog's Skull, 



LECTURE YL 



Insectivora — contiimed. 



The Mole very Archaic, 

 Greediness of the Mole, 

 Blind, hut Quick of Hearing, 

 Development of the Mole, 

 Pecords of Lost Types, 

 An Hereditary Agriculturist, 

 The Formation of the Tissues of 



the Jlole, 

 A Dry Skull, . 

 Air-Galleries of the Ear, . 

 Labyrinth of the Ear, 



146 

 147 

 148 

 149 

 150 

 151 



152 

 153 

 154 

 155 



LECTURE VII. 



Insectivora — concluded. 



Foreign Insectivora, . 



^lascarene Types, 



Skull of the Tenrec, . 



Nasal Labyrinth of the Tenrec, 



Jjcsser Kinds of the Centetidte, 



Crested Skull of the Tenrec, 



"Wallace's Line, 



A Complete Orbital Ring, 



The Young Colugo, 



A Puzzling Type, 



A Tertiary Bat, 



Comb-like Teeth of Colugo, 



166 

 167 

 168 

 169 

 170 

 171 

 172 

 173 

 174 

 175 

 176 

 177 



The Colugo and the larger Bats, 

 The Basi-Cranial Beam, . 

 Relations of Air - Breathing 



Types, .... 

 Old Remnants in New Types, 

 The Rhynchocyon, . 

 A Proboscidean Insectivore, 

 Marsupial Characters, 

 Working out old Strains, . 

 Bibliography of Insectivora, 

 New Insectivora, 



178 

 179 



180 

 181 

 182 

 183 

 184 

 185 

 186 

 187 



LECl^URE Vlir. 



The Remaining Orders of Mammalia. 



The Chiroptera, 

 A Long-fingered Animal, . 

 Evolution of a Flying Animal, 

 An Unfolded Bat, . 

 The Rodentia, . 

 Voyage of a Naturalist, 

 Skull of a Guinea-Pig, 

 Lemurs and Aye-aye, 



