Tewt Figures 



Page 



Temperature records at Fort-cle-France 162 



Comparison of the consecutive temperature curves of Cayenne and Para 



with those of the West Indies 165 



Arequipa pleion of 1911-1912 observed in Alaska 167 



World's temperature and the variation of the frequency of volcanic erup- 

 tions l'<^3 



Curves showing comparative conditions of shell indices in adult and neanic 



stages of Spirifer mucvonatus mut. aJpenense 178 



Curves showing comparative conditions of shell indices in adult and neanic 



stages of Spirifer mucronatus mut. multiplicatus 179 



Curves showing comparative conditions of shell indices in adult and neanic 



stages of Spirifer mucronatus mut. profundus ISl 



Curves showing comparative conditions of shell indices in adult and neanic 



stages of Spirifer mucronatus mut. thedfordcnse 183 



Curves showing comparative conditions of shell indices in adult and neanic 



stages of Spirifer mucronatus mut. attenuatus 185 



Diagram showing the relationships of the five mutations of Spirifer mucro- 

 natus 187 



Ciu-ves showing comparative conditions of shell indices of the adult stages 



of five mutations of Spirifer mucronatus 188 



Curves showing comparative conditions of shell indices in neanic stages 



of five mutations of Spirifer mucronatus 189 



Pleistocene, or Tee Age 224 



Skeleton of the Pleistocene pigmy hi]>popotamus of Madagascar. Hippo- 

 potamus madagascariensis, together with a skull of the recent hippo- 

 potamus, H. ampliiljius 228 



Glacial map of northern Germany and the Netherlands 230 



Theoretic snow levels during the Glacial Epoch 231 



Divisions and contemporaneous events of the Glacial Epoch 233 



Five chief zoogeographic regions of Europe, Asia and northern Africa 

 from which the mammals migi'ated into western Europe during the 



Pleistocene 243 



Introduction, succession and extinction of the faunae from the five chief 



zoogeographic regions 247 



Chief centers of North American gla elation 253 



Principal mammal deposits and culture stations of the Pleistocene of 



Europe 254 



Giant deer, Megaceros. of the British Pleistocene 258 



Molars of Pleistocene elephants 261 



Skeleton of Elephas meridionalis of Durfort 262 



Eolithic, Palaeolithic and Neolithic implements 265 



Sand pit at Mauer near Heidelberg 274 



Heidelberg jaw 275 



Neanderthal skull 295 



Neanderthal man 296 



The hairy mammoth (Elephas primigenius) and Palaeolithic man (Homo 



neanderthalensis ) 305 



The woolly rhinoceros (Diccros antiquitatis) 306 



V 



