222 



5 / 7 length of eye. Origin of dorsal opposite to II th scale of 

 lateral line, separated by 1 1 scales from occiput. Dorsal slightly 

 emarginate, as high as body. Anal beginning opposite to 24^ 

 scale of lateral line, its height is equal to the length of pectorals 

 and ventrals. Origin of ventrals separated by 2 ! / a 3 scales 

 from the 13 th scale of lateral line. Pectorals 5 5 2 / 7 in length. 

 Caudal bifurcate, much longer than head. Caudal peduncle 

 surrounded by 16 scales. Brown above, lighter below. There 

 is a dark brown spot on the caudal peduncle. Length 192 mm. 



Nom. in dig.: Modjok (Kajan); Seluang (Djambi). 



Habitat: Sumatra (Djambi!); Borneo (river Kajan). 



4. Tylognathus lehat (Blkr.). 



Lobocheilos (Lobocheilos) lehat Bleeker, Ichth. Arch. Ind. Prodr. II. Cyprini, 1 860, 



p. 152. Atl. Ichth. III. 1863, p. 58. 

 Tylognathus lehat Giinther, Cat. Brit. Mus. VII. 1868, p. 66. 



4i 



0.3.89; A. 3.5; P. 1. 15; V. 1.8; L.I. 32 34; L. tr. j_. 



4$ 

 Height 3 3 / 4 4. Head more than 4 to 5. Eye more than 3 



to 4 ! / 2 , situated somewhat behind the middle of the length of 

 the head, twice in snout. Barbels 4, very small. Origin of 

 dorsal in advance of that of ventrals, opposite to 9 th or io th 

 scale of lateral line and separated by 9 scales from occiput. 

 Anterior rays scarcely prolonged in adult examples. Pectorals 

 and ventrals subequal, 5 3 / 5 to more than six times in total 

 length, somewhat shorter than head. Ventrals reaching anus, 

 their origin separated by 2 ! / 2 scales from II th scale of lateral 

 line. Pectorals not reaching ventrals. Caudal forked. Least 

 height of caudal peduncle 1.6 in its own length; surrounded 

 by 1 2 scales. Length 225 mm. [After specimens in the British 

 Museum seen by us]. 



Nom. in dig.: Lehat, Millang (Sundan.). 



Habitat: Java (Parongkalong). 



5. Tylognathus falcifer (C.V.). [Fig. 87 and 88, pag. 219]. 



Labeo falcifer Cuvier & Valenciennes, Hist. Nat. Poissons XVI. 1842, p. 358. 

 Lobocheilos falcifer Bleeker, Nat. Tijdschr. Ned. Indie V. 1853, p. 522. 

 Gobio microcephalus Bleeker, Nat. Tijdschr. Ned. Indie XIII. 1857, p. 357. 

 Lobocheilos (Lobocheilos) falcifer Bleeker, Ichth. Arch. Ind. Prodr. II. Cyprini 1860, 



p. 148. Atl. Ichth. III. 1863, p. 56. 

 Lobocheilos (Gobionichthys) microcephalus Bleeker, Ichth. Arch. Ind. Prodr. II. 



Cyprini, 1860, p. 156. Atl. Ichth. III. 1863, p. 60. 

 Tylognathus falcifer Giinther, Cat. Brit. Mus. VII. 1 868, p. 65. 



