﻿354 



nostrils, lower jaw, gillopenings cream coloured. Length more 

 than looo mm. 



Habitat: Ambon: Banda !. On coral reefs. 



Fig. 173. RhinoDiuraciia aiiilw/ic/isis Barb. 



f! posterior nostril; the barbel-like prolonged point of the snout between the 



anterior nostrils, which are in tubes with a foliaceous appendage. 



3. Tliyrsoidea (Kaup p.p.) Blceker '). 



(Bi.KEKEu, Atl. Ichth. IV. 1864, p. no). 



EvencJielys Jordan & Evermann. 

 Rhabdnra Ogilby. 



Exceedingly elongate, slender and slightly compressed. Eye 

 small, covered by skin. Anterior nostrils tubular, situated on 

 the top of the snout, posterior nostrils on top of head above 

 frontborder of eye, their margin provided with a rim. Cleft 

 of mouth closing nearly completely, wide, reaching far behind 

 eye, the eye being situated much nearer to tip of snout than 

 to corner of mouth. Pectorals absent. Dorsal and anal con- 

 fluent with caudal, covered by thick skin, the dorsal beginning 

 far before gillopenings, which are small, oblique slits, their 

 margins prominent. Tail much longer than head and body. 

 Teeth acute, compressed, in the maxillaries biserial, in the 

 mandibles uniserial, near the symphysis in 2 series; on vomer 



1) The reason for following Bleeker in using the name Tliyrsoidea Kaup 

 (Cat. Apod, fish 1856, p. 73) for this genus is based on "Rules of Zool. Nomen- 

 clature adopted by the \'. Intern. Congress of Zoology 1901, V. § 2". 



