PLATE II 



Athorybia rosacea Forskal 



Water-colour sketch of a living animal, made by Sydney Parkinson in 

 1768, during Cook's first voyage. The specimen was taken two or three 

 hundred miles south of the Cape Verde Is. The general colour used is 

 cerise : outside the pneumatophore, reddish orange. The dark pigment 

 outlining the topmost bracts and the lines of bracteal nematocysts was 

 originally white. The white area on the outer edge of the pneumatophore 

 represents the giant cells of the gas-gland. Nat. size right. Animal x 9. 

 Tentacle x 20. 



Plates II and III reproduced by kind permission of the Trustees of 

 the British Museum (Natural History). 



