14. UETEKOGNATUODON. 366 



head 4f . The snout is convex, shorter than the diameter of the 

 eye, which is nearly one-third of the length of the head. Prajorbital 

 and margin of the praeoperculum scaly; the posterior limb 'of the 

 pra)operculum minutely denticulated. Caudalis forked. A brownish 

 longitudinal band from the eye to the caudal fin ; above and below 

 the lateral line two series of blue dots. (Bl.) 

 Sea of Solor. 



3. Heterognathodon xanthopleura. 



Heterodon zonatus, Sleeker, Bydr. Topogr. Batav. 

 Heterognathodon xanthopleura, Bleeker, Natuurk. Tydschr. Nederl. 

 Indie, i. 1850, p. 101, and Ver. Bat. Genootseh. xxiii. Sciatn. p. 31. 



D. '-^. A. |. L. lat. 40. 



The height of the body equals the length of the head, and is one- 

 fourth of the total ; the snout is conical and rather longer than the 

 diameter of the eye, which is 3i in the length of the head. Praj- 

 orbital naked; prajoperculum very finely denticulated. The third 

 anal spine longest. Caudalis emarginate. On each side two lighter 

 longitudinal bands ; a bluish band from the eye to the operculum. 



Seas of Batavia and Amboyna. 



a. Adult. Amboyna. Purchased of Mr. Frank. 



h. Half-grown. Purchased of Mr. Brandt as Dentex lineatus. 



4. Heterognathodon macnirus. 



Bleeker, Natuurk. Tydschr. Nederl. Ind. i. 1850, p. 101, and Verhand, 

 Batav. Genootseh. xxiii. Sciceti. p. 31. 



D. ■^. A. |. L. lat. 40. 



The height of the body is 41 in the total length, the length of the 

 head five times ; the snout is conical, shorter than the diameter of 

 the eye, which is one-third of the length of the head. Pjraeorbital 

 scaly. The third anal spine longest. Caudalis deeply forked. A 

 broad yellowish band from the eye to the caudal fin. (5/.) , 



Sea of Batavia. 



5. Heterognathodon nemurus. 



Bleeker, Celebes, iii. p. 754. 



D. ^. A. |. L. lat. 45 {BUeTcer 55 ?). 



The height of the body equals the length of the head, and is Si 

 in ihe total length (without the caudal) ; the snout is conical and 

 scarcely longer than the diameter of the eye, which is 3^ in the 

 length of the head. Prseorbital naked, the margin of the praeoper- 

 culum scaly. Caudalis forked, with the lobes produced into filaments 

 longer than the fin ; body with two broad yellow longitudinal bands 

 on each side. 



Sea of Macassar. 



a. Adult. From the Haslar Collection. 



