CLASS PISCES. 157 



the symphysis as the haemulons ; but their snout is 

 thicker, their mouth smaller, their dorsal and anal 

 have no scales; their operculum terminates in a blunt 

 angle, hidden in its membranous edge. 



It is a very numerous genus, of which the species 

 are found in the warmest parts of the two oceans l . 



DlAGRAMMA, CuV. 



Have no fosset under the symphysis, but they have 

 the two small anterior pores, and besides them two 

 larger ones, under each branch. Otherwise, their 

 jaws, their opercula, their fins, are like those of the 

 pristipoma. 



They inhabit either ocean ; those of the Atlantic 

 have larger scales 2 ; those of the Indian Ocean are 

 more numerous, have smaller scales, the head more 

 convex, and the snout very short 3 . 



1 Pr. hasta, C. Lutjanus hasla, Bl. 246. 1. Pr. nageb. C. ; 

 Scicena nageb. Forsk., or Labre comersonicn, Lacep. III. xxiii. 1. ; 

 and Lutjan microstome, ib. xxxiv. 2. Pr. guoraca, C, Russell 132., 

 or Perca grunniens, Forsk., or Anthias grunniens, Bl. Schn. p. 305. 

 Pr. paikelli, C, Russell 121. Pr. caripa, id. 124., of which An- 

 thias maculatus, Bl. 326. 2. appears to be a variety. Pr. coro, C, 

 Seb. III. xxvii. 14., or Scicena coro, Bl. 307. 2. Lutj. Surinamensis, 

 Bl. 253. Sparus virginicus, Lin., of which Perca juba, Bl. 308. 2. 

 and Sparus vittatus, Bl. 263. are young ones. Coius nandus, Buchan. 

 xxx. 32. 



2 We know but one, of which the Lutjanus luteus, Bl. 247. ap- 

 pears to be an incorrect representation. 



3 It is to them that the Plectorynque is referred, Lacep. I. xiii. 

 2. Add Scice?ia gaterina, Forsk. Sc. shotaf, id. Diagr. lineaium, 



