LIST OF ILLUSTRATIONS 



3 

 4 

 5 

 6 



7 

 8 



9 



10 



II 

 i2a 



I2b 



13 



15 

 16 



17 



18 



19 

 20 



Between 



pages 

 36 and 37 



Silverio Zecca with one of Dahlak's aggressive and 



dangerous morays . . . Frontispiece 



The Formica . . . . ^ 



Roghi and Baschieri 



The members of the 'scientific nucleus' 



Bruno Vailati with an adult black-fin shark 



Quilici and RaveUi prospecting round the 

 WTeck of the Urania 



Sheikh Said's mangrove forest 



Priscilla Hastings photographs a vulture's nest 



A nurse-shark .... Facing page 44 



Osprey on Dur Ghella . . . Facing page 61 



The manta that was harpooned in the waters 

 ofMedecheri .... 



Small sharks flee before the prow of the boat 



like frightened mullet . 

 Casciani with a small black-fin 



Roghi, at a depth of about forty-two feet, 

 with a barracuda 



A large moray which had been shot in the 

 neck by Baschieri 



A puffer-fish .... 



In open sea the Formica falls in with pilot ^^ 

 whales ..... 



Stuart follows a 'rhinoceros' as it shivers 

 along the bottom, almost moribund 



A large black-fin photographed by Ravelli . 



A guitar-fish .... 



The so-called 'cefalone', finally caught after 

 nearly two months of effort 



Between 



pages 



100 and 



Between 



pages 



1 1 6 and 



117 



