of the Island of Trinidad^ W, I. 23 



§11- 



Species with four spines to the anal fin. 



Cychlasoma taenia (Bennett) Gill. 



Vernacular: Cascarub. 

 Synonymy. 



Chromis taenia, Bennett, Proceedings, &c., Zool. Soc. of London, part I., 

 p. 112, 1830. 



Acara taenia, Heckel (nomen) Zool. Abhandlungen aus den Annalen dea 

 Wiener Museums der Naturgescheite, vol. II. p. 

 361, 1841. 



Chromis taenia D. H. Storer, Synopsis of the Fishes of North America, 

 page 68. lb. in Memoirs American Academy, 

 vol. II. p. 520, 1846. 



The body is highest at the seventh spine of the dorsal, which 

 fin commences in advance of the anterior third of tlie body ; 

 the greatest height of the body is more than two-fifths of the 

 total length, inclusive of the caudal fin. The head bears a pro- 

 portion to the entire length of one to three and two-thirds; 

 its profile rapidly declines from the dorsal. Anal fin com- 

 mencing under the thirteenth spine of the dorsal. The body 

 at its greatest height is obliquely crossed by twelve rows of 

 scales ; the anterior portion of the lateral line is contained in a 

 row of seventeen scales, and the posterior in one of ten. 



D. XV.— 10. A. iv.— 9. C. 16. Y. i.— 5. P. 12. 



Color of head dark olive green, tinged with yellow. Body 

 olive green, crossed by seven to nine obscure dusky bands, and 

 with as many longitudinal interrupted stripes along the sides as 

 there are rows of scales. A nearly round black spot is on each 

 side on the fourth and fifth rows of scales in an oblique line 

 from the back, and below the eighth, ninth, and tenth dorsal 

 spines ; two other spots, which are sometimes merged into one, 



3 



