244 Phytogeographical. 



„distance away in the island of Angailla, which was once evi- 

 „dently a part of the coastal plain extending from the mountains 

 „of St. Martin. Tintamarre, an adjacent outlier of St. Martin, re- 

 „presents a fragment of the dissected coastal plain. It is underlain 

 „by the same white limestones." 



According to Spencer the various heights and depths of the diffe- 

 rent groups of St. Martin plateau and St. Christoffer chain seem to 

 agree. As to the connection between the Caribean isles he says i) : 



„ if this inference be true, then the modern islands of the 



„West Indies formed an elevated plateau bridge between the two 

 „Americas during the two epochs of elevation, namely in the 

 „Phocane and Pleistocane period." 



1) Spencer: Reconstruction of the Antillean Continent p. 132. 



