389 



part of the lower jaw minutely serrated posteriorly and less 

 distinct anteriorly, provided with a basal lobe. Maxillary teeth 

 in a single series of about 10, compressed, curved backwards, 

 diminishing in size posteriorly. Intermaxillary plate with about 

 10 14 teeth and I 3 mesial large depressible canines. Vomer 

 with about 7 10 small teeth in one row. Mandibulary teeth 

 in a single series, about 12 14 on each side. Yellowish or 

 whitish brown, with 15 22 dark crossbands, made up of dif- 

 ferent brown spots, these mostly turning into black on the 

 belly, where the bands are very distinct. Upper parts every- 

 where between the bands closely covered with dark brown 

 spots. Length over 550 mm. [Type of Muraena minor Schl. 

 in the Leiden Museum seen by us]. 



Habitat: "Sea of Borneo" (RICHARDSON). - Tranquebar 

 (BLOCK), Formosa, China, Japan. 



2. Muraena (Priodonophis) angusticauda n. sp. 

 [Fig. 190, p. 388]. 



Height 22 behind gillopenings, 27 above anus and rapidly 

 diminishing posteriorly, the tail tapering considerably towards 

 its end. Head and trunk about half .length of head shorter than 

 tail. Head 8.4, 2.9 in trunk. Eye nearly 9, about i'/ 4 in snout, 

 situated about above the middle of the cleft of the mouth, 

 which goes 2.9 in head. Snout conical, rounded in front. Tube 

 of anterior nostrils much less than half eye, posterior nostrils a 

 longitudinal slit above frontborder of eye, provided with a low 

 rim. Gillopenings somewhat narrower than eye. Dorsal and 

 anal moderately developed, the former beginning before gill- 

 openings. Teeth compressed, with the fore edge and hinder edge 

 finely serrated, the serrations on the hinder edge are much more 

 distinct than those of the fore edge. About 10 teeth in the 

 maxillaries. A peripheral series of about 14 stronger ones on 

 the intermaxillary plate and two more anteriorly, inwards of 

 this row, but no mesial teeth in the single specimen known. 

 Two small teeth on vomer, compressed, but without serrature. 

 Mandibles with one row of about 15 teeth on each side, the 

 foremost much longer than the others and provided with a 

 posterior basal lobe. Colour in alcohol uniform yellowish, belly 

 and fins somewhat lighter. Length of single specimen 489 mm. 

 [Type of the species in the Zoological Museum of Amsterdam]. 



Habitat: Near Supiori, Schouten Islands! 



