136 PLECTOGNATHI. 



MONACANTHUS, Cuv. 



'j 



465. Monocanthus isogramma. [306.] 



Monacantlius isogramma, Bleek. Nat. Tydsehr. Ned. Ind. xiii. p. 367 ; Atl. Ichth. v. pi. 222. f. 1 ; and 

 Ned. Tydsehr. Dierk. iii. 1865, p. 26. 



Zanzibar. Java. 



466. Monacanthus pardalis. [190.] 



Monacanthus pardalis, Riipp. N. W. Fische, p. 57, t. 15. f. 3. 



Limonacanthus pardalis, Bleek. Atl. Ichth. v. pi. 230. f. 2; and Ned. Tydsehr. Dierk. in. 1865, p. 27. 



Zanzibar. Bed Sea. Indian Ocean and Archipelago. 



467. Monacanthus fronticinctus, s P . n. PL XIX. fig. 2. [521,665.] 



D. 1 | 33. A. 30. 



The height of the body, with the pelvic process stretched out, is about one-half of 

 the total length without caudal. Snout moderately produced, its upper profile rather 

 concave. Dorsal spine slender, as long as the distance between the eye and the mouth, 

 slightly denticulated behind, the teeth being comparatively longer in smaller specimens 

 than in adults. Free portion of tail a little higher than long, the sides having an 

 elongated patch of setiform spines. In young specimens [521] the second dorsal ray is 

 produced into a long filament as in M. cirrhifer, Schleg. 



Colour dirty greenish brown, with several more or less distinct black longitudinal 

 bands on the sides. A Hack band across the forehead between the anterior margins of 

 the orbits. Fins dirty brown. 



Length from 5 to 9 inches. 



Zanzibar. 



ALEUTERES, Cuv. 



468. Aleuteres monoceros. [743.] 

 Balistes monoceros, Osbeck. 



Aleuteres berardi, Less. Zool. Voy. Coqu. Poiss. pi. 7; Richards. Ichth. Voy. Sulph. p. 132, pi. 61. f. 1. 



Alutera cinerea, Schleg. Faun. Japan, p. 292, pi. 131. f. 1. 



Alutarius obliteratus, Cant. Mai. Fish. p. 353. 



Aleuteres monoceros, Bleek. Atl. Ichth. v. pi. 226. f. 2 ; and Ned. Tydsehr. Dierk. iii. 1865, p. 28. 



Zanzibar. East-Indian archipelago. China. Japan. Atlantic shores of America. 



469. Aleuteres nasicornis. [292.] 



Alutera nasicornis, Schleg. Faun. Japon. p. 223, pi. 131. f. 2. 



Pseudaleuteres nasicornis, Bleek. Atl. Ichth. v. pi. 221. f. 1, & 224. f. 2; and Ned. Tydsehr. Dierk. 

 iii. 1865, p. 28. 



Zanzibar. Mauritius. East-Indian archipelago. Japan. 



