380 



Gymnothorax richardsonii de Beaufort, Bijdragen tot de Dierkunde, Afl. 19, 

 1913, p. ioo (pro parle). 



Height 15 22. Head 7.28.5, 2.2 2.8 in trunk. Tail excee- 

 ding head and trunk by half length of head or more. Eye 8 9, 

 situated above the middle of the cleft of the mouth, 1.5 in 

 snout, which is pointed and rather compressed. Anterior nostrils 

 less than half eye. Cleft of mouth 2.5 3 in length of head. 

 Gillopenings less wide than eye. Dorsal and anal rather feebly 

 developed, the former beginning before gillopenings. Maxillaries 

 with a series of 10 12 strong compressed teeth, anteriorly 

 with an inner row of I 4 longer ones. Intermaxillary plate 

 with a peripheral series of about 14 teeth, and a mesial series 

 of i <$ canines, which is sometimes wanting. Vomer with a 

 single series of 6 n small teeth, which sometimes are irre- 

 gularly arranged. Man- 

 dibles with a row of 

 12 20 compressed 

 teeth on each side. Near 

 the symphysis there is 

 a short inner row of 2 

 or 3 longer ones. Colour 

 brown with dark brown 

 wavy, incomplete and 

 anastomosing cross- 

 bands, generally more conspicuous on tail and on dorsal and 

 anal fins and sometimes almost wanting, Anal often with a 

 white margin. Head brown, the pores on upper and lower jaw 

 in white spots, the hindermost of which on the lower jaw is 

 much larger and extends to the gape. A dark brown streak 

 behind corner of mouth and behind it sometimes an other 

 white spot. These spots are generally bright in young specimens, 

 but fade in older ones. In many preserved specimens the skin 

 appears distinctly folded, the folds crossing each other and 

 forming scale-pouches. Length 330 mm. [Types of G. sagenodeta 

 and G. chilospilus of BLEEKER in the British Museum seen by us]. 

 Habitat: Sumatra (Benkulen, Atjeh!); Lumu-Lumu shoal on 

 Borneo Bank!; Beo, Karakelang Islands!; Sanguisiapo, Sulu 

 Archipelago!; Celebes (Makassar!); Saleyer!; Kabaena-Island!; 

 Buru; Ambon!; Ceram; Sumba!; Flores!; Savu!; Timor!; Kei- 

 Islands!; Damar-Island!; Waigeu!. Philippines, Salomon 



Islands, Rarotonga, Tahiti and Samoa Islands. 



Fig. 1 88. Muraena (Gymnothorax) chilospilus 

 (Blkr.). X I Vs- 



