20 A NATURALIST IN THE PACIFIC CH. 11 



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. 



