206 PEECiD-a:. 



the length of the head is 3k in the same. Jaws nearly equal in 

 front. Prajoperculum with a conspicuous notch. Caudalis trun- 

 cated, pectorals reaching to the middle of the anal. Uniform red. 

 Sea of Timor ; Japan. 



33. Mesoprion isodon. 

 Mesoprion isoodon, Cuv. ^- Val. ix. p. 443. 



D. i^. A. 4. L. lat. 50. 



15 7 



The height of the body is 3| in the total length, and eqiial to the 

 length of the head. Caudalis truncated. Uniform brownish. Three 

 strong canine teeth in the upper jaw. {Vol.) 



St. Domingo. 



3. Twelve dorsal spines. 

 34. Mesoprion dodecacanthus. 

 Blceker, Ambowa, iii. p. 104. 



D. i|. A. |. L. lat. 46. 



The height of the body is 3| in the total length, and equal to the 

 length of the head ; the diameter of the eye is not fully one-third 

 of the latter. Jaws 0(]ual in front, the upjwr maxillary bone reach- 

 ing to below the middle of the eye. Pneoperculum serrated, slightly 

 eraarginate. The spinous part of the dorsal fin much lower than 

 the soft ; the first dorsal spine shortest, the others nearly equal in 

 length ; the second of the anal longest. Caudalis truncated. Rose- 

 coloured (in life), with oblique brownish streaks ; a brown spot on 

 the back of the tail and at the base of the pectoral ; the dorsal and 

 caudal fins black-edged ; anal fin with a white anterior edge, and 

 with the anterior rays deep \-iolet. {Bl.) 



Sea of Amboyna. 



35. Mesoprion dodecacanthoides. 



Blecker, Amboina, v. p. 489. 



D. 1|. A. |. L. lat. 46. 



The height of the body is 3| in the total length, and equal to the 

 length of the head ; the diameter of the eye is not fully one-third 

 of the latter. Jaws nearly equal in front, the upper maxillaiy bone 

 reaching to below the anterior half of the eye. Praiopercidum not 

 or vei-y slightly emargiuate, serrated, with stronger denticulations 

 beneath and at the angle. The spinous ])art of the dorsal fin liigher 

 than the soft ; the fourth spiiu; to the seventh e(]ual in length and 

 higher than the others ; the S(;cond of the anal fin longest. Caudalis 

 very slightly cmarginute. Rose-coloured (in life), ^vith seven oblique 



