110 ' THE NEANDERTHAL SKULL. 



far from indicating the beginning of new 

 types, or the initiating new species, only 

 point out the range of flexibility in types, 

 which in their essence are invariable." * 



In another work the same great Natu- 

 ralist points out, while admitting the 

 manifest progress in the succession of all 

 beings on the face of the earth, in the 

 increasing similarity to the living fauna, 

 and among the vertebrates especially in 

 their increasing resemblance to man, that 

 "this connection is not the consequence of 

 a direct lineage between the fauna of 

 different ages. There is nothing like 

 parental descent connecting them. The 

 fishes of the Palceozoic age are in no 

 respect the ancestors of the reptiles of 

 the secondary age, nor does man descend 

 from the mammals which preceded him 

 in the tertiary age. The link by which 

 they are connected is of a higher and im- 

 material nature ; and their connection is to 

 be sought in the view of the Creator Him- 



* Agassiz, Travels in Brazil, pp. 41, 42. 



