19. OTOLITHUS. 309 



do not tesitate to refer our specimens to this species, the general 

 form of all the parts being exactly the same. 



10, Otolithus caycnnensis, 



Lutjanus cayennensi-s, Lacep. iv. pp. 196, 245. 



Cheilodipterus akoupa, Lacep. iii. p. 546. 



Otolithus toeroe, Cm. Sf Vol. v. p. 72. pi. 103, ix. p. 478. 



D, 10-11 1 ^^. A, |, C^. pylor. 4. Vert. 14/11. 



The height of the body is 4| lq the total length, the length of the 

 iiead four times. No canines in the lower jaw, those of th« upper 

 <of moderate size. Caudalis pointed ; the second anal spine not one- 

 lialf the length of the first ray. The upper maxillary reaching to the 

 posterior margin of the orbit. Pseudobranchiae none. 



Atlantic coasts of Tropical America ; Lake of Maraoai'bo. 



«, 6, Adult. West Indies, 



11. Otolithus guatucupa» 



Omatucupa, Maregr. p. 177. 



Otolithus guatucupa, Cuv. 8f VaL v, p. 76, pi. 104^ Jmijus, Zool 

 Beagle, Fishes, p. 41. 



D. 10|^. A. |. Csee. pylor. 4. 



The height of the body is contained 4^ in the total length, the 

 length of the head 3| ; the diameter of the eye is one-fifth of the 

 latter. Snout pointed, much longer than the diameter of the eye, 

 with the lower jaw projecting ; canines in the upper jaw only, of 

 moderate size. The margin of the piteoperculum with a few indi- 

 stinct striae and obsolete denticulations. Caudalis truncated. Above 

 greenish ; sides sUvery, with brownish cross-streaks, descending ob- 

 liquely from the back towards the front. 



Atlantic coasts of South America ; Maldonado Bay, Rio Plata, 



12, Otolithus ruber, 



Joliniiis ruber, BI. Schn. p. 75. pi. 17 (coloration bad). 

 Otolithus ruber, Cm\ ^ VaL v. p. 60. pi. 102 ; Cant. Catal. p. 5a 



D. 10 1 ^. A. |, L. lat. 60. Ceec. pylor. 4. 



The height of the body is 4| to 4| in the total length, the length 

 of the head 3| ; the diameter of the eye is one-sixth of the latter. 

 Canines of both the jaws strong ; praeoperculum indistinctly denti- 

 culated. Caudal fin pointed, but becoming more rounded with age. 

 Coloration uniform. 



Coasts of Coromandel, Malabar, and Malayan Peninsula. 



a. Adult : skin, Malayan Peninsula. From Dr. Cantor's Col- 

 lection. 



4. Adult : stuffed. Kurrachee. From the Collection of Messrs. von 

 Schlagintweit. 



