302 TELEOSTEI. ACANTIIOPTE11YGII. 



11. Genus TRYPAUCHEN, Cuv. & Val. 

 Syn. Ctenotrypauchen, Steiud. 



Branchiostegals four; pseuclobranchiao. A deep blind cavity 

 above the opercle, not in communication with that of the branchiae. 

 Body elongate and compressed ; head likewise compressed. Tlyes 

 lateral, minute, not elevated. Teeth in a band ; no canines. 

 Dorsal fin single, the anterior portion consisting of six spines, the 

 soft dorsal and anal with many rays, both are confluent with the 

 caudal ; ventrals with four or five rays, united, forming a disk. 

 Scales small, cycloid. 



1108. (1.) Trypauchen vagina. (Fig. 100.) 



Gobius vagina, El. Schn. Syst. 7cA.p. 73. 



Trypauchen vagina, Day, Fish, India, p. 320, pi. Ixviii, fig. 2 (see 

 synon.). 



2fu-uettee } Tain. 

 D. 6 | 40-49. P. 15. A. 40-46. C. 13. L.r. 80-85. L.tr.21. 



Length of head 7 to 8, height of body 7| to 11 in the total 

 length. Eyes small, in the anterior fourth of the length of the 

 head. Occipital crest elevated. Fins first dorsal spine rather 

 wide at its base, height of fin from to o f that of body. Lower 

 five pectoral rays short and uubranched. Scales in rather 



Fig. 100. Trypanche,n vagina. 



irregular rows. Colour white with a rosy tinge, much brighter 

 at some seasons than at others ; dorsal and anal with outer edges 

 grey ; caudal, pectoral, and ventral white, or tinged with yellow. 



Hal. Coasts of India through the Malay Archipelago to China. 

 Ihe specimen figured (from Calcutta) is 8| inches in length, and 

 probably full-grown. A very common fish, eaten by the lower 

 classes. 



Family XXIX. CALLIONYMID^E. 



Gill-openings of moderate width or very narrow. Body mostly 

 elongate. The infraorbital ring of bones does not articulate with 

 the preopercle. Teeth in the jaws, none on the palate. Two 

 ; orsal hns ; second dorsal and anal similar ; ventrals wide asunder, 

 bcales aud lateral line present or absent. Air-bladder absent. 



