9. OTOtlTHUS. 309 



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

 form of all the parts being exactly the same, 



10. Otolithus cayennensis. 



Lutjanus cayennensis, Lacep. iv. pp. 196, 245. 



Cheilodipterus akoupa, Lacep. iii. p. 546. 



Otolithus toeroe, Ouv. ^ Val. v. p. 72. pi. 103, ix. p. 478. 



D. 10-11 1 jgi^„. A, |. Caec. pylor. 4. Vert. 14/11. 



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

 head four times. No canines in the lower jaw, those of the upper 

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

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

 posterior margin of the orbit. Pseudobranchise none. 



Atlantic coasts of Tropical America ; Lake of Maracaibo. 



a, h. Adidt. West Indies. 



11. Otolithus guatucupa. 



Guatucupa, Marcyr. p. 177. 



Otolithus guatucupa, Cuv. ^ Val. v. p. 75. pi. 104; Jenyns, Zool 

 Beagle, Fishes, p. 41. 



1^-10 I Tsi- ^-T- Caec. 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 praeoperculum with a few indi- 

 stinct strise and obsolete denticulations. Caudalis truncated. Above 

 greenish ; sides silvery, 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. 



Johnius ruber, Bl. Schn. p. 75. pi, 17 (coloration bad). 

 Otolithus ruber, Cuv. ^ Val. v. p. 60. pi. 102 ; Cant. Catal. p. 59. 



D. 10 1 5^. \. |. L. lat. 60. Cffic. 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 ; prseoperculum indistinctly denti- 

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

 Coloration uniform. 



Coasts of Coromand*^!, Malabar, and Malayan Peninsula. 



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



lection. 



b. AdiJt: stuffed. Kurrachee. From the Collection of Messrs. von 



Schlagintwcit. 



