﻿3^J9 



c. Brown with black and white spots, irregularly distributed 

 or arranged in longitudinal series ilaysanus). 



d. On a whitish groundcolour the brown is arranged in a some- 

 what regular network, giving the appearance of indistinct 

 whitish spots surrounded by polygonal brownish interspaces, 

 which are most distinct on the tail [ercodes). 



Length approaching looo mm. [Specimens of G. biiroensis, 

 griseobadius and chlorostignta of Bleeker's collection seen by us]. 



Habitat: Sumatra (Trussan, Siboga); Singapore; Batu 

 Islands; Nias, Simalur!; Cocos Island; Java (Anjer, Prigi, Patjitan); 

 Paternoster Islands!; Bali; Beo, Karakelang-Islands!; Sangir 

 Islands; Ternate; Buru; AmbonI; Ceram; Solor!; New Guinea. — 

 Indo-pacific region from east coast of Africa and Mauritius to 

 Sandwich Islands, Australia and Japan. 



On reefs and near shore. 



5. Muraena (Gymnothorax) polyuranodon IMkr. 



Muracna polyuranodon iJleeker, Nat. Tijdschr. Ned. Inditi \. 1853, p. 248. — 



Verh. Bat. Gen. XXV. 1853, Muraenoid. p. 70. 

 rolyuranodon Kuhlii Kaup, Cat. Apod, fish 1856, p. 96. 

 Muraeno-bUnna tigrina Kaup, Ibid. p. 98 (p.p.). 

 Gymnothorax polyuranodon Bleeker, Atl. Ichth. IV, 1864, p. 89. 

 Muraena polyuranodon Giinther, Cat. Brit. Mus. vol. VIII, 1870, p. 114. — 



Fische d. Sudsee, Heft IX. 1910, p. 421. 



Height 19 to 28; head 9 to more than 11, 4 to 5 times in 

 trunk. Tail .somewhat shorter than head and trunk. Eye 10 — 12, 

 more than 1.5 in snout, situ- o^^^^ ♦°o. 



ated above middle of cleft a i°° % <?o°o°S°Jo 



of mouth, which goes more So 00 °o °j. 



or less than s'/-^ times in -p^ °l\ ^ °o 



length of head, is horizontal " 0° o °o ° / o 



and closes completely. Origin ^0°° % \o°o o o 



of dorsal slightly before gill- Jo°° °°o° / \ 



openings, which are a little ° , 



^ ° ' VI V VI via 



wider than the eye. Teeth 



conical, with the sharp point F^g- ^^S- Dentition of Muraena (Gym- 

 ,. ^111 1 • .1 noihorax ) polyuranodon Blkr. a inter- 



directed backwards, m the .,, .„ , ,-, , 



maxillary, vi maxillary, vid mandibularv, 



maxillaries in 2 or 3 series, ^ vomerine teeth. 



on the intermaxillary plate in 



2 peripheral series, the teeth of the inner series stouter, in the 



centre i or 2 compressed, recurved, moveable teeth; on vomer a 



In DO-AUSTRALIAN FISHES III. 24 



