2 o A NATURALIST IN THE PACIFIC ch. ii 



group. It is not always possible to avoid in such a discussion the 

 use of terms such as "upheaval" and "subsidence," although 

 there is much to be said for the terms "negative" and "positive" 

 employed by Suess. In the present chapter, however, I have 

 avoided committing myself definitely to any view relating to the 

 stability either of the land or of the sea, reserving the consideration 

 of the subject for Chapter XXVII. 



