24. MU11.15NA. 123 



than the gill-opening. Cleft of the mouth two-hl'ths of the length 

 of the head. 2\iil longer than the body. The length of the head is 

 two-fifths of that of the trunk. Skin with very distinct scale- 

 pouches. Uniform brown, fins with a white margin ; guku" folds 

 and angle of the mouth dark brown, 

 llaoul Island. 



0. Twenty-four inches long. Collected by Mr. Macgillivray. 



51. Muraena cinerascens. 



Hilppcll, Atl. Fisch. p. 120. 

 Dorsal fin rather elevated, comme)icing above the gill-opening. 

 Teeth ? Tail rather longer than the body. Uniform greyish ; fins 

 with a narrow light edge. Black longitudinal lines from the mouth 

 towards the gill-opening. (i?w^/).) 

 Red Sea. 



/5 Dorsal Jin not elevated. 



52. Muraena afra. 



Gymnothorax afer, Bl. Atisl. Fisch. ix. p. b5, tab. 417; Bl. Schn. 



p. 526. 

 Muroenophis afra, Lacep. v. p, 042. 

 Gvmuothorax funebris, Ranzani, Nov. Cotntn. Ac. 6'c. Inst. Bonon. iv. 



■'1840, p. 76. 

 Muraena lineopinnis^ Richards. Voy. Ercb. Sf Terr. Fish. p. 89. 



prasina, Richards. I. c. p. 93. 



Jboschii, Bh'ck. Verh. Bat. Gen. xxv. Mar. p. 52 ; or Nat. Tyds. 



Ned. Ind. vii. p. 103. 



monochruus, Bleek. Nat. Tyds. Ned. hid. x. p. 384. 



tristis, Kaup, Apod. p. 62. 



Thyrsoidea lineopinnis, Kaup, Apod. p. 82. 

 Muraena infemalis, Foey, Mem. Cub. ii. pp. 347, 354. 

 Tseniophis westphali, Kaup, Aale Hamburg. Mus. Nachtray, p. 1. 

 Gymnothorax boschi, Bleek. Atl. Ichth. Mur. p. 105, pi. 46. fig. 3. 



monochrous, Bleek. I. c. p. 106, pi 47. fig. 2. 



jacksoniensis, Bleek. Versl. en Meded. Ak. Wet. Amsterd. xv. 



1863, p. 450. 

 infemalis, Poey, Repert. Fis.-nat. Cuba, ii. p. 258. 



Teeth uniserial in old examples, oxcept the vomerine teeth, which 

 are sometimes biserial. Young examples generally with the anterior 

 mandibulary and maxiHary teeth biserial. Mandible with about 

 twenty teeth on each side, the four anterior of which arc much 

 longer than the others, and, Uke the canines, rather elongate. An- 

 terior nasal tubes half as long as the eye. Oill-openi'ng nearly as 

 wide as the eye. Snout narrow, produced, pointed. Eye of moderate 

 size, half the length of the snout, situated somewhat nearer to the 

 angle of the cleft of the mouth than to the end of the snout. Cleft 

 of the mouth wide, two-fifths of the length of the head. Tail longer 

 than the body. The length of the head is contained twice and one 

 third or twice and two-thirds in that of the trunk. Brownish blacl- 

 fins luithout light edge. 



Tropical parts of the Atlantic ; Indian Ocean ; Australia. 



