8. THICHOGASTEE. 387 



upper nins from the upper margin of the orbit to the upper part of 

 the root of the caudal ; it is dilated into a round black spot behind 

 the shoulder, and there is another smaller spot on its extremity ; the 

 second runs from the snout through the eye to the caudal ; and finally, 

 the thiid from the angle of the mouth, across the cheek, thi-ough the 

 lower part oi' the base of the pectoral to the root of the last caudal 

 rays, where it terminates in a round black spot. The membrane 

 of the vertical fins is dotted all over with black. 



This must be a beautiful species during life. It is intermediate 

 between Osphromenus and those species for which the genus Betta 

 has been created ; it also approaches Macropus in the fin-rays, which 

 are much prolonged. 



lines. 



Total length 27 



Length of the head 6 



Height of the body 6 



Length of the caudal 9 



8. TEICHOGASTEE*. 



Trichogaster, sp., Bl. Schn. p. 164. 

 Colisa, Cuv. ^ Val. vii. p. 359. 



Body compressed, oblong ; operculum without spine or serrature ; 

 cleft of the mouth small, oblique, little protractile. Small fixed teeth 

 in the jaws, none on the palate. Dorsal and anal spines numerous 

 (14—18) ; ventral fins reduced to a single long fihform ray. Lateral 

 line interrupted or absent. Branchial arches with toothed tubei'cles. 

 Air-bladder divided into two portions posteriorly, situated on both 

 sides of the caudal vertebrae. Pyloric appendages in small number ; 

 intestine with many circumvolutions. 



Fresh waters of Bengal and Hindostan. 



1 . Trichogaster fasciatus. 



Trichogaster fasciatus, Bl. Schn. p. 164. tab. 36. 



TricYiO^odiUS coMsA, Buch.Ham.Fish.Gang. pp. 117, 372. pi. 15. fig. 40; 

 Taylor in Brewster's Edinb. Journ. Sc. 1831, v. pp. 34, 37. 



bejeiis, Buck. Sam. I. c. pp. 118, 372. 



cotra. Buck. Ham. I. c. pp. 119, 372. 



lalius, Buch. Ham. I. c. pp. 120, 372. 



Colisa vulgaris, Cm. 8f Val. vii. p. 362. pis. 196, 205. 



bejeus, Cuv. 6f Val. vii. p. 365. 



cotra, Cuv. 8( Val. vii. p. 366. 



lalius, Cuv. 4- Val. vii. p. 366. 



ponticeriana, Cuv. <^ Val. vii. p. 370. 



1. Trichopodus sota, Buch. Ham. Fish. Gang. p. 120. — Colisa sota, Cuv. ^ 



Val. vii. p. 367. — Ganges. 



2. chuna, Buch. Ham. I. c. p. 121. — Colisa chuna, Cuv.^ VaLvu.Tp.368. 



— Ganges. 



2c 2 



