BY CHAKLES W. DE VIS, M.A. 877 



Chcerops UNIMACULATUS. 



D. 13/7. A. 3/10. Lat. 27, Tr. 2/8. 



No posterior canine. Serrature of preopercle rather coarse. 

 Head much longer than high. Snout obtuse. Preorbital J- in the 

 length of the head. Scales on the cheeks not imbricate. 



Colour light brown (in spirits) with hardly appreciable broad 

 cross bands. Fins immaculate, A bright oval spot below the end 

 of the soft dorsal. Middle of the operculum rather bright. 



In a younger example the body and preorbital are somewhat less 

 deep ; the general colour darker, nearly black at the root of the 

 caudal and round the oval spot and the end of the upper lobe of 

 the caudal numerous short dark brown bars composed of spots on 

 the rays. 



Length, 4 inches. Locality, Barrier Reef. 



Chcerops perpulcher. 

 D 13/7. A. 3/10. Lat. 28. Tr, 3i/10. 



No posterior canines. Preoperculum entire. Cheeks with a 

 few embossed scales towards the limb of the preopercle. Caudal 

 very rounded or a little produced in the middle. Canines *, the 

 outer lower pair very long outwardly curved. The uiiddle upper 

 long curved forwards. 



Colour, recent, forehead from upper lip to nape blue crossed by 

 narrow orange lines. Chin with blue descending lines. Between 

 nape and dorsal dame red. Opercula with small orange spots 

 enlarging posteriorly. A blue line across the base of the pectoral 

 a few others above the the axil. Behind the pectoral an indistinct 

 dark oblique band. Last ray of pectoral bright blue edged with 

 cinnamon. Body bluish green, base of most of the scales blue. 

 Dorsal edged with cinnamon with the free tips blue, base yellowish, 

 above it oblique blue streaks and a blue longitudinal band. Anal 

 bright blue at the base, pale yellow in the middle, near the margin 

 pale blue with golden s])ots. Tail blue with broad close wavy 

 yellowish brown bands. Teeth blue. 



In spirits the colours mostly disappeai', in dry specimens almost 

 entirely. 



Length to 14 inches. Locality, Moreton Bay, 



