122 HVJLMNIDM, 



f. Snout with brown longitudinal bands. 



48. Muraena callorhyncha. 



Maxillary teeth and the anterior of the mandible biserial; the 

 others uniserial. 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, Australia. 



a. Nineteen inches long. 



g. Coloi'otion uniform. 

 a. Dorsal Jin elevated. 



49. Muraena hepatica. 



Muraena hepatica, Hupp. Atl. Fisch. p. 120. 



albomarginata, Sehleg. Faun. Japan. Poiss. p. 267, pi. 118; Sleek. 



Nat. Tyds. Ned. Ind. xii'i. p. 77. 

 Gymnothorax albimarginatus, Bleek. Atl, Ichth. Mm: p. 107, pi. 37. 



tig. 2, and pi. 40. fig 3. 



Dorsal fin elevated, the posterior rays being as high as, or higher 

 than, the body underneath, commencing in advance of the gill-opening. 

 Teeth uniserial, canines scarcely enlarged ; the mouth can be shut 

 completely. Length of the anterior nasal tubes less than the vertical 

 diameter of the eye. Snout rather thick, of moderate length. Eye 

 rather small, two-fifths of the length of the snout, nearer to the 

 angle of the mouth than to the end of the snout. Gill-opening 

 scarcely wider than the eye. Tail as long as, or sliorter than, the 

 body. The length of the head is contained thrice and two-thirds 

 in that of the trunk. Uniform hroivn, Jins with a white margin. 



Red Sea ; East-Indian archipelago ; Japan. 



a. Adult. Amboyna. From Dr. Blocker's Collection. — Type of 

 M. albomarginata. 



50. Muraena euptera. 



Dorsal fin rather elevated, the posterior rays being nearly as high 

 as the body underneath, commencing far in advance of the gill-opening. 

 Teeth uniserial, canines scarcely enlarged ; mandible with about 

 sixteen conical acute teeth on each side; the mouth can be shut 

 completely. Length of the anterior nasal tubes a little less than 

 the vertical diameter of the eye. Snout son^ewhat produced, at least 

 twice as long as the diameter of the eye, which is large and wider 



