LIST OF PLATES. 



Plate XII. (between p. 130 and p. 131). The Australian Mud- 

 fish ((7(?rf/?ofZ?/« ^t's^eri) ... ... ... Exjilanation 



Plate XIII. (between p. 130 and p. 131). The Mexican Axolotl 

 {Siredon pisciformis) and the European Land-salamander 

 {Sdlamandra maculat(i) ... ... ... Explanation 



Plate Xiy. (between p. 180 and p. 181). Four Catarhines 

 (Chimpanzee, Gorillas, Orang, Negro) ... Explanation 



Plate XV. (between p. 188 and p. 189). Pedigree of Man 



Explanation 



PAGE 



118 



129 



181 



184 



