296 



THE BIOLOGY OF INSECTS 



cast up on the beach of the Red Sea ; but they have been 

 taken by the tow-net in mid-ocean more than a thousand 



Fig. 75. — a, Halobates Jierdmani, Ceylon, female (left feeler and all 

 legs wanting) ; b, male (right feeler and legs wanting), X 5 ; c, fore-foot ; 

 d and e, extremities of intermediate and hind-feet, X 25. /, Young 

 H, regalis, Torres Straits, X 5- After G. H. Carpenter, Rep. Pearl 

 Oyster Fisheries, Manaar {Roy. Soc), 1906, V., and Sci. Proc. R. Dublin 

 Soc. 1891, vii. 



miles from any land. Floating objects serve them as resting- 

 places to which they can anchor, and also as food, when they 



