16. LETHBINUS. 455 



spirits) ; head, body, dorsal and anal fins clouded with brownish ; a 

 quadrangular blackish blotch between the pectoral and the lateral 

 line ; the rays of the ventrals wliite, the membrane between black- 

 ish. Each joint of the rays of the vertical fins with a brownish 

 streak. 



Sunda and Molucca Seas. 



a. Adult. Moluccas. 



h. Half-grown. Amboyna. Purchased of Mr. Frank. 



c. Half-grown. Ceram. From Madame Ida Pfciffer's Collection. 



d. Twenty-three inches long : skin : not good state. Ceylon. Col- 



lected by E. F. Kebart, M.D. 



2. Lethrinus amboinensis. 

 Sleeker, Amboina, v. p. 490. 



D.^. A.|. L. lat. 48. 



The height of the body is rather less than one-fourth of the total 

 length ; the length of the head is 3^ in it. The snout is rather 

 pointed, but not much longer than the diameter of the eye ; the 

 upper maxillary does not reach to the vertical from the orbit. Canine 

 teeth of moderate size ; the lateral teeth conical, and not obtusely 

 rounded. The third and fourth dorsal spines longest, rather more 

 than one-half of the height of the body. Caudalis emarginate, with 

 pointed lobes. Head uniform oHve ; a large blackish blotch between 

 the pectoral and the lateral line ; back and sides largely marbled 

 with blackish ; base and spines of the dorsal fin and the pectoral 

 rays variegated with violet. 



Sea of Amboyna. 



a. Half-grown. Amboyna. Purchased of Mr. Frank. 



3. Lethrinns moensii. 

 Sleeker, Natuurk. Tychchr. Nederl. Ind. 1855, ix. p. 435. 

 D.^. A.|. L. lat. 48. 



The height of the body is about four times in the total length, the 

 length of the head 3| to 4. The snout is pointed, and much 

 longer than the diameter of the eye, which is 3-3| in the length of 

 the head. Space between the eyes flat. The upper maxiUary bone 

 does not reach to the vertical from the anterior margin of the eye. 

 Canine teeth large, curved ; lateral teeth conical. The third dorsal 

 spine longest, lower than one-half of the height of the body. Cau- 

 dalis forked, with pointed lobes, the upper of which is longer. Green- 

 ish ; snout and cheeks deep violet ; body with seven indistinct cross- 

 bands. In young and half-grown individuals a blackish blotch below 

 the anterior half of the soft dorsal, and partly below the lateral 

 line ; opercular membrane red ; each spine and ray of the dorsal fin 

 with a brown spot at the base. 



Seas of Groot-Oby, Batjan, and Timor; Louisiade Archipelago. 



