TliVGOXTDJE. 



51 



situated rather behind its anterior third. Scales upper surface 

 of the head and body and base of tail covered by thick, concave, or 

 flat-headed, several-sided tubercles ; in the scapular region and 



Fig. 2l. Tryyon sephen. 



central line of the back are two large, smooth, approximating 

 tubercles in the young, and three in the adult, the middle and 

 largest of which is usually oval, the second in size posterior and 

 heart-shaped, the anterior or smallest round or heart-shaped. 

 Colour the upper surface of the immature is reddish brown : but 

 in the adult lead-coloured, becoming black in the posterior two 

 thirds of the tail. Some examples have a row of black blotches 

 near their outer margin. 



Fig. 22. Teeth of '/'/////<- repJirn. 



ffufi. "Red Sea, through the seas of India to lli 

 pelngo, and beyond. This fish grows to ;i \;\r^c 

 represented in (lie figure (--) wen- from an exai 



Malay Aivhi- 

 i/.e. The j;i\\ s 

 >le ."> ft. |() in. 



