178 VERTEBRATA. PISCES. 



wanted for the tail to entwine afresh. The eyes 

 move independently of each other, as in the Cha- 

 meleon; this, with the brilliant changeable irides- 

 cence about the head, and its blue bands, forcibly 

 reminds the observer of that animal."* 



The peculiarities of generation, noticed in the 

 preceding genus, appear to belong to this also. The 

 species to which the above remarks apply is H. Bre- 

 virostris, occasionally taken on the Channel coast. 



* Mr. Lukis in Br. Fishes, ii. p. 343. 



