12/ 



steering organ, and it may well have some sensory functions ; 

 perhaps in correlation with this, we find that the habits of the 

 fish are different, for it mostly frequents the warm shallow 

 waters of the tropics, sometimes even entering rivers. 



It is rather rare in South Africa, being, like the Snake 

 Mackerel, recorded here for the first time as a South African 

 fish. Several specimens have been found by the Pieter Faure 



^-^^^ 



The Hair-tail (Trichiuriis haumcla, Euphr.). 

 (After Day.) 



in trawling in shallow waters ; one was forwarded from East 

 London by Mr. J. Wood, and one by Mr. Brooking, who notes 

 that he has seen them in the Buffalo River. 



All the TrichiuridcB are flat, elongate fish, with canine-like 

 teeth, indicating that they are powerful swimmers, capable of 

 sustained effort, and of a raj^acious habit, in strong contrast 

 to the rounded shorter body and undifferentiated teeth of the 

 Mackerels {Scomhridce). 



[C.P. 6-'i4.] 



