353 



/3. Bony area of upper surface of head with 

 emarginate anterior edge ; occipital pro- 

 cess broader than long; ventrals not 

 nearly reaching anal; dorsal and anal 



with dark bars L. vaillanti p. 362. 



b. Depth of body 4/ 2 in the length; caudal 



penduncle 1% as long as deep L. rugosus p. 363. 



B. Supraclavicular plate produced backwards into a 

 pointed process. 



1. Supraclavicular process small, npt extending 



so far back as clavicular process L. leiacanthus p. 364. 



2. Supraclavicular process strong, extending as 



far back as clavicular process L. moeschi p. 364. 



Fig. 148. Leiocassls leiacanthus M. Web. & de Bfrt. 



i. Leiocassis fuscus Popta. 



Liocassis fuscus Popta, Notes Leyden Mus. XXIV. 1903, p. 168. ibid. XXVII. 

 1906, p. 52. 



D. i. 7; A. 13; P. I. 6; V. 6. 



Height 5, head 4, its depth i 2 / 3 , its width i ! / 3 in its length. 

 Head covered by smooth skin. Eye 10, situated in the anterior 

 half of the head, 3*/ 2 times in the interorbital space, 3 times 

 in the slightly prominent snout. Nasal barbels 5 times longer than 

 eye, reaching on last half of head. Maxillary barbels extending 

 on and mandibulary barbels to pectorals, mental barbels half 

 as long. Height of dorsal less than that of body, its weak spine 

 less than ] / 3 of the length of the head, its hindborder without 

 INDO-AUSTRALIAN FISHES II. 23 



