CONTENTS. 



XI 



The Hedgehog's Skull, 

 Skull of Cartilaginous Fishes, . 

 Ear-drum of Hedgehog, . 

 Parts of the Palate and Ear in 

 Hedgehog's Skull, 



Page 

 137 

 138 

 139 



140 



Arches of the Face, . 

 Primitive Types of Mammalia, 

 Bibliography, . 

 Fossil Horses, . 

 Extinct Mammals, . 



Page 

 141 

 142 

 143 

 144 

 145 



LECTURE VI. 

 I NSEGTI VOR A continued. 



The Mole very Archaic, . . 146 

 Greediness of the Mole, . . 147 

 Blind, but Quick of Hearing, . 148 

 Development of the Mole, . 149 



Records of Lost Types, . . 150 

 An Hereditary Agriculturist, . 151 

 The Formation of the Tissues of 



the Mole, .... 152 

 A Dry Skull, . . . .153 

 Air-Galleries of the Ear, . .154 

 Labyrinth of the Ear, . , 155 



Diet of the Mole, . . .156 

 Red Teeth of the Shrew, . . 157 

 Young of the Shrew, . . 158 

 Skull of Shrew, . . .159 

 Young of Shrew like Eocene 



Mammals, .... 160 

 Distribution of the Shrews, . 161 

 Browzing and Grazing, . . 162 

 Improvement of Breeds, . . 163 

 ff 07no diluvii testis, . . . 164 

 Signs of Transformation, . . 165 



LECTURE VII. 



I NSECTI VORA concluded. 



Foreign Insectivora, . 



Mascarene Types, 



Skull of the Tenrec, . 



Nasal Labyrinth of the Tenrec, 



Lesser Kinds of the Centetidne, 



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 arid the larger Bats, 1 78 



The Basi-Cranial Beam, . . 179 

 Relations of Air - Breathing 



Types, 180 



Old Remnants in New Types, . 181 

 The Rhynchocyon, . . .182 



A Proboscidean Insectivore, . 183 



Marsupial Characters, . . 184 



Working out old Strains, . . 185 



Bibliography of Insectivora, . 186 



New Insect! vora, . . 187 



LECTURE VIII. 



THE REMAINING ORDERS OF MAMMALIA. 



The Chiroptera, . . .188 



A Long-fingered Animal, . . 189 



Evolution of a Flying Animal, . 190 



An Unfolded Bat, . . .191 



The Rodentia, . . . .192 



Voyage of a Naturalist, . . 193 



Skull of a Guinea-Pig, . .194 



Lemurs and Aye-aye, . j . 195 



Zoological Position of Lemurs, 



Diet of the Aye-aye, . 



The Garni vora, . 



Aquatic Mammals, . 



The Quadrumana, 



The Pig and the Ruminants, 



Evolution of the Horse Type, 



196 

 197 

 198 

 199 

 200 

 201 

 202 



. 



