19. CHvETOPTEUUS. SSo 



long ; one of the largest covers one-sixth of the eye. The lateral 

 line follows the curvature of the back. 



There are, besides the ^•ilLLform bands and the outer series of larger 

 teeth, four canines of moderate size in fi-ont of the upper jaw. The 

 lower jaw is armed vdih. a single pair ; they are rather bent out- 

 wards, and receive the foiu' upper ones between them. 



To the coloration, as given above, must be added, that the ground- 

 coloui- is now a reddish olive (rose-coloured in life ?), and that 

 two of the specimens exhibit a brownish speck at the root of 

 the caudal, in the angle formed by the pearl-coloured bands. A 

 similar spot is found in Pentapus setosus. 



inches, lines. 



Total length (without filament) 7 6 



Height of the body 1 11 



Length of the head ' 1 11 



Diameter of the eye 6 



Length of the fifth dorsal spine 9 



of the pectoral 1 3 



of a large scale 1| 



Height of a large scale 3 



19. CH^TOPTERUS. 



Chaetopterus, Temm. 8f Schleg. Faun. Japan. Poiss. p. 78. 



Form of the body elongate ; eye moderate ; cleft of the mouth 

 slightly oblique, with the lower jaw rather longer. One continuous 

 dorsal with ten spines, the anal fin with three. Caudalis deeply 

 forked. Canine teeth none ; minute teeth on the vomer and the 

 palatine bones. Prasorbital and praeoperculum entire. Foiu' bran- 

 chiostegals. Scales moderate, ciliated. 



Japanese Sea. 



1 . Chsetopterus dubius. 



Chsetoptenis, sp., Temm. Sf Schkg. I. c. pi. 37. f. 2. 

 D.l^. A.f L.lat.75. 

 Unifonn red. 

 Japanese Sea. 



20. APHAREUS. 



Aphareus, Cuv. S^- Val. vi. p. 485; Biipp. N. TV. Fische, p. 121. 



Form of the body oblong ; eye moderate ; the cleft of the month 

 slightly oblique, rather wide, ^vith the lower jaw longer. One 

 dorsal, continuous, with the anterior part highest, and with ten 

 or twelve spines ; analis |-. All the spines feeble ; caudalis deeply 

 forked. jSTo canines. No teeth on the palate. Prasorbital and pra3- 

 opcrcidum entire. Scales rather small. Seven branchiostogals. Air- 

 bladder simple. A (rcspiratoiy) ca-\-ity behind the branchia?, at the 

 interior side of the humerus. Pyloric appendages in small number. 



Red Sea : Isle de France. 



2 c 



