390 LuciocKrHALin.B. 



Fam. 36. LUCIOCEPHALID^. 



Lucioceplialoidei, Bleelc^Ewumer. Spec. p. xxx, and Natuurk. Tydschr. 

 Nederl. Ind. xx. 1860, p. 395. 



Body elongate, covered with scales of moderate size. Lateral line 

 present. Teeth small. Gill-opening ivide ; pseudobranchia) none ; 

 a superhranchial organ, enclosed in a cavity behind the eye, and formed 

 by two branchial arches, ivMch are dilated into a membrane. 



One short dorsal fin ; dorsal and anal spines none ; ventrals thoracic, 

 eomposcd of one spine and five rays. Air-bladder none. Intestines 

 very short. 



Fresh waters of the East Indies. 



1. LUCIOCEPHALUS. 



Luciocephalus, Bleek. Borneo, ii. p, 273. 



Body elongate, subcylindricai anteriorly and compressed poste- 

 riorly ; intermaxillaries much protractile. Teeth in the jaws sm6U, 

 fi^sed ; the descending and ascending branches of the intennaxillary 

 toothed ; teeth on the vomer minute. One short dorsal without 

 spines, opposite to the soft anal ; the anal is separated into two 

 portions by a deep notch. Ventral fins thoracic, with one spine and 

 five rays. -Caudal rounded. Scales ctenoid ; lateral line present. 

 Pseudobranchia} none ; gill-opening wide, cleft to below the eye ; 

 air-bladder none. Intestines very short ; pyloric appendages none. 



Fresh waters of the East Indian Archipelago. 



1. Luciocephalus pulcher. 



Diplopterus pulcher, Gray, III. Ind. Zool. i. tab. . fig. 1. 

 Luciocephalus pulcher, Bleek. Borneo, ii. p. 274, and Blitong, p. 99. 



B. 5. D.-^. A. ;glg 1 13-12. L. lat. 36. 



A broad black, inferiorly white-edged band runs from the snout 

 through the eye to the caudal fin. Caudal black, with the rays red. 

 Large individuals -wdth round blackish «pots on the body and on the 

 fins. 



Kivers of Banka, Biliton, and Borneo. 



For the knowledge of the internal structure of this. very singular 

 fish .we are indebted to Dr. v. Bleekor, who also discovered the super- 

 branchial organ. 



