174 



MR. CYRIL CROSSLAND ON THE 



[Mar. 



Harbour it became evident that the fauna of these coasts is as 

 distinct from that of East Africa as are tire physical aspects and 

 geological structure of the two localities, and that it contains a 

 considerable northern or Mediterranean constituent. I therefore 

 decided to visit one of the Southern Islands in the hope of 

 discovering : — 



(1) Possible effects on the fauna of the Guinea current. 



(2) Fresh habitats, e. g. Zostera-heds or completely sheltered 



water. 



(3) Coral, either as reef or banks, with its peculiar fauna. 



A three days' voyage in a small Portuguese barque brought me 

 to Porto Piuya, a bay in the southern extremity of the Island of 



Text-fiff. 23. 



larraf*l Pamt^fS;: 



Vago 



1061 

 1280 



S."W. Point 



RibeiraGr 



lOlO 



Map of St. Jago. 



St. Jago (text-fig. 23), situated in latitude 16° IST., just a degree 

 south of St. Yincent. The results of collecting here wei-e negative 

 as regards (1) and (3) above, but a small extent of stony shore under 



