281 



Teeth uni-serial, except the vomerine series, which is forked in 

 front. Canines of moderate size, the month shutting completely. 

 Mandible with from eighteen to twenty-two teeth on each side, 

 the two anterior being canines. Anterior nasal tnbes very short. 

 Snout rather high, of moderate length. Eye small, one-half or 

 two-fifths of the length of the snout, situated above the middle 

 of the cleft of the mouth, which is two-fifths of the length of .the 

 head. Gill-opening wider than the eye. Tail as long as the 

 body. The length of the head is contained thrice and one-third, 

 or thrice and four-fifths in that of the trunk. Gill-opening in a 

 black spot. Body brown, densely marbled with black ; head and 

 end of the tail quite black. Sometimes two black depressed lines 

 along the anal fin ; fins frequently with a white edge. 



Norfolk Island (Jukes). 



937. MlTRiENA CALLORHYNCIIA, Guntll. 



Gunth., Cat. Pishes, VIII., p. 122. 



Maxillary teeth, and the anterior of the mandible bi-serial ; 

 the others uni-serial. Canines short. Mandible with about 

 twenty closely set teeth in the outer series on each side. Snout 

 of moderate length, obtuse, nearly thrice as long as the eye, 

 which is small. Gill-opening still narrower than the eye. The 

 length of the cleft of the mouth is contained twice and one-third 

 in that of the head. Fins very low, the dorsal commencing 

 behind the gill-opening. Tail a little longer than the body. 

 The length of the head is contained thrice and three-fourths in 

 that of the trunk. Nearly uniform greyish-olive (in spirits) ; 

 snout white with a brown band on each side, running from above 

 the orbit over the front nostril to the edge of the upper lip. 



Freemantle, West Australia. 



938. MUR/UNA APR a, Bl. 



Gunth., Cat. Fishes, VIII., p. 123. — M. prasina, Eichards. Voy. 

 Erebus and Terror, p. 93. 



S 



