
——————————— 
2. 
ACANTHURUS VITIATUS. 
Order, ‘l'HoRACcIc. 
Native Name, &s@co. SEWEYA. 
A. virratus. Armed near the caudal fin with a sharp curved spine. 
Body striated. 
Branchiostegous rays 3. Dorsal 35, ten spinous. Pectoral 15. Ventral 6, 
one spinous. Anal 28, two spinous. Caudal 16. 
Tur Seweya of the Cingalese is scarce on the southern coast of 
Ceylon. It inhabits rocky situations, but is not in request as an article 
of food. It seldom exceeds sixteen or seventeen inches in length, and 
is well armed near the caudal fin with a sharp curved spine, which it 
raises or depresses at pleasure, but seldom exhibits it, except in a state 
of excitement or rage. When depressed, it is scarcely visible within 
the scabbard that Nature has assigned it, which, in appearance, 
resembles a recent incision in the body of the animal. 
For the present figure, six or seven specimens were procured, no 
two of which were alike in the arrangement of the blue and yellow 
streaks near the caudal fin. 
No lateral line visible to the naked eye. 
Figure—Nearly the natural size of the Specimen. 

