mon or right Whales, which are caught in 

 these seas, have their jaws frequently covered 

 with curious barnacles. Numerous chitons and 

 limpets are found adhering to the rocks on va- 

 rious parts of the coast. The exports of Mo- 

 zambique are at present almost exclusively 

 confined to ivory, gum, gold-dust, ostrich fea- 

 thers, and wax ; but it may be expected that 

 shells and minerals will form a part, when 

 some of our enterprising countrymen in this 

 settlement shall devote a few hours, by way of 

 recreation, to the collecting subjects of natural 

 history. 



THE group of islands called Sychelles, produce 

 an imemense quantity of shells of different spe- 

 cies, but none very rare or valuable. 



THE Comora Islands, particularly Johanna, 

 abound with common cowries, of which I have 



