184 TELEOSTEI. ACANTHOPTEETGII. 



10. Genus PSENES, Cuv. & Val. 



Branchiostegals six. Body compressed and elevated, with the 

 frontal region swollen. Eyes lateral. Cleft of mouth shallow, with 

 a short snout. A single row of fine teeth in the jaws, none on the 

 palate. Two separate dorsal fins, the first continuous ; the second 

 the longer and similar to the anal, which last has two or three 

 spines joined to the soft portion of the fin ; no finlets. Lateral 

 line unarmed. Air-bladder bifurcated posteriorly. 



Geographical Distribution, Seas of India to the Malay Archi- 

 pelago and beyond. 



Some ichthyologists regard this genus as the type of a distinct 

 family. 



Synopsis of Indian Species. % 



D. 9-10 | 1/24-25, A. 3/24-26, L. 1. 55. Leaden 



colour 1. P. javanicus, p. 184. 



D. 10 | 1/14-15, A. 3/15, L. 1. 41^3. Silvery. . 2. P.'indicus, p. 185. 



950. (1.) Psenes javanicns. (Fig. 64.) 



Psenes javanicus, Cuv. $ Val. H. N. Poiss. ix, p. 264; Day, Fish. 

 India, p. 637, pi. li C, fig. 1, Suppl. p. 790 (see synon.). 



D.9-10 | 1/24-25. P.19. A.3/24-26. C.17. L.l.55-60. L.tr.15/18. 



Length of head 4, height of body 3 in the total length. Eyes 

 diameter 3 in length of head, | diam. from end of snout, and f 

 apart. Dorsal profile elevated, especially above the nostrils. 

 Lower jaw slightly the longer. Cleft of mouth rather oblique. 

 Teeth of comparatively large size, in a single row in each jaw. 

 FDIS first dorsal commences above hind edge of opercle, the spines 



Fig. 64 - -Pscnes javanicus. 



are weak, the third longest, $ height of body, and equal to anterior 

 vl rays, the interspinous membrane deeply emarginate. Second 



