CLASS PISCES. 191 



Trachinotus, Lacep. 



From which his Acanthinions and C^esiomores do 

 not differ generically, are lichias, with the body ele- 

 vated, profile more vertically shortened, the dorsal 

 and anal sharpened into more elongated points 1 . 



Rhinchobdella, Bl. Schn., 



Have detached prickles on the back, like the centro- 

 notus, and two before the anal, but they are deficient 

 in ventrals, like the xiphias proper. Their body is 

 long. 



There are two subgenera. In 



Macrognathus, Lacep. . 



The snout is lengthened into a cartilaginous point, 

 which projects beyond the lower jaw ; the second 

 dorsal and the anal are distinct from the caudal 2 . In 



Lacep. II. xx. 3. or A ken parah, Russell 141 ; Tolparah, Russell 

 138 ; Sc. aculeatus, Bl. 33G. 1 ; Sc. lysan, Forsk. ; Sc. saliens, Bl. 

 335, and Lacep. ii. 19 ; Gasterosteus occidentalism L., Brown, Jam. 

 xlvi. 2 ; Quiebra-acha, Parra xii. 2. 



1 Chcetodon glaucus, La*cep. 210, or Acanthinion bleu, Lacep. iv. 

 500 ; Chest, rhomboides, Bl. 209, or Ac. rhomboide, Lac. ; Gas- 

 terosteus ovatus, L., or Mookalee parah, Russ. 154 ; Ccesiomore, 

 Bloch. Lacep. III. iii. 2 ; Scomber falcatus, Forsk. ; Ccesiomore 

 baillon, Lacep. III. iii. 1 ; Botlah-parah, Russell 142. 



2 Rhynchobdella orientalis, Bl., Schn., or Ophidium aculeatum, 

 Bl. 159. 2., or Macrognate aiguillonne, Lacep. II. viii. 3. ; Rh. poly a- 

 cantha, Bl., Schn., or Macrognate arme, Lacep., Buchan.pl. xxxvii. 

 x. 6 ; Rh. aral, Bl., Schn., pi. lxxxix. Macrogn. pancalus, 

 Buchan. xxii. 7. 



