118 ^iuk.enid.t;. 



specimen). Snout somewhat produced, eye small. Tail longer than 

 the body ; the lengtli of the head is two-fifths of that of the trunk. 

 Brownish, M'ith a network of large black meshes, about three or four 

 in the lieight in the middle of the length of the fish ; towards the 

 head tlie meshes become smaller, whilst towards the end of the tail 

 the meshes are replaced by transverse bars. Head finely mottled 

 with brown and yellowish. Angle of the mouth black ; fins with a 

 narrow white edge. 



Mauritius. 

 a. Type of the species : stuffed ; 42 inches long. From Dr. Jan- 

 vier's Collection. 



42. Muraena richardsoni. 



Mura3ua grisea, Bleek. Verh.Bat. 6Vm. xxii. Bali,^. 11. 



richardsouii, 5fee^. Ntd. Tyds. Ned. Lid. iii. p. 296; or Verh. Bat. 



Gen. XXV. Mtu: p. 46. 

 troschelii, Bleeh. Verh. Bat. Gen. xxv. Mur. p. 45 ; or Nat. Tyds. 



Ned. Ind. vii. p. 101. 

 ceramensia, Bleek. Nat. Tyds. Ned. Ind. iii. p. 297 ; or Verh. Bat. 



Gen. xxv. 3Iur. p. 51. 

 sooliodon, Bleek. Verh. Bat. Gen. xxv. Mur. p. 43 ; or Nut. Tyds. 



Ned. Ind. vii. p. 100. 



vermicularis, Peters, Wiegtn. Arch. 1855, p. 271. 



diplodon, Peters, Wiegm. Arch. 1855, p. 272. 



Horesiana, Bleek. Nat. Tyds. Ned. Ind. vi. p. 3.34. 



venosa, A'aw^), Apvd. p. 68. 



Thyrsoidea ceramensis, Kaup, Apvd. p. 87. 



niultifasciata, Kaup, I. c. 



Gymnothorax richardsonii, Bleek, Atl. Ichth. Mur. p. 100, pi. 42. 



"fig. 2 ; Kner, Novara, Fi'sche, p. 385. 



scoliodon, Bleek. I. c. p. 101, pi. 40. fig. 2. 



ceramensis, Bleek. Ned. Tyds. Dierk. i. p. 261 ; and Atl. Ivhth. 



3/;/r.p. 101,pl.33.f]g.3. 



iloresianus, Bleek. Ned. Tyds. Dierk. i. p. 252. 



Muriena nubila (spec, from Houtman's Abrolboa), Richards. Voy. 



i:reb. ^- Terr. Fish. Y>. 81. 



SJiin distinctly folded, the folds crossing each other and forming 

 scale-iwuches. Teeth of old examj^iles imiserial, without basal lobe ; in 

 younger examples the anterior mandibulary and maxiUary teeth, and 

 also sometimes tlie vomerine teeth, are biscrial. Manchble with from 

 ten to fourteen teeth on each side. Canines rather small ; the mouth 

 can be shut completely. The length of the anterior nasal tubes is 

 rather less than the vertical diameter of the eye. Snout compressed, 

 of moderate length. Eye of moderate size. Gill-opening as wide as 

 the eye. Tail a little longer than the body. The length of the head 

 is contained twice and one-third in that of the trunk. Gill-opening 

 without black spot. Brownish, marbled with darker ; on the back 

 the dark colour forms an incomplete network of wide meshes, and 

 the tail is crossed by dark cross bands. Young specimens without 

 white edge to the anal fin, whilst a larger example (from Australia) 

 has the white edge. 



Indian Ocean and archipelago; Australia. 



