186 SILURLD-». 



tance from the dorsal. Pectoral spine broad, strongly toothed ; pec- 

 toral fin terminating at a considerable distance from the ventral. 

 Caudal deeply forked. Greyish brown, a light streak along the ver- 

 tebral line and along each lateral line. 



Nepal. (Tenasserim ?) 

 a, b-e. Adult (12 inches long). Nepal. Presented by B. H. Hodg- 

 son, Esq. 



2. Glyptosternum gracile. 

 D. 1/6. A. 14. P. 1/10. V. 6. 



Head rather longer than broad, its length being two-ninths of the 

 total (without caudal). Eyes behind the middle of the length of the 

 head ; occipital process narrow, slender, nearly four times as broad 

 as long. Lips not fringed ; the maxillary barbels extend nearly to 

 the middle of the pectoral. The free portion of the tail is twice as 

 long as high. Dorsal fin pointed, much higher than the body ; dor- 

 sal and pectoral spines not enveloped in skin ; the former is rather 

 strong, serrated behind, four- fifths of the length of the head. Adi- 

 pose fin longer than dorsal, its length being more than one-half of 

 its distance from the dorsal. Caudal fin deeply forked, with the lobes 

 pointed, the lower being the longer, two-ninths of the total length. 

 Anal fin somewhat pointed. The pectoral fin extends nearly to the 

 root of the ventral ; its spine is exceedingly broad, and armed with 

 about ten recurved osseous spines. Brownish ; fins light-coloured. 



Nepal. 

 a. Five inches long. Presented by B. H. Hodgson, Esq. 



3. Glyptosternum platypogonoides. 



Pimelodus platypogonides, Bleek. Nat. Tydschr. Nederl. hid. ix. p. 272. 



Glyptosternon platypogonides, Bleek. Prodr. Silur. p. 219. 



Glyptothorax platypogonides, Bleek. Atl. Ichth. Silur. p. 63. tab. 83. 

 fig. 3. 



B. 8-9. D. 1/6. A. 12-13. P. 1/9. V. 6. 

 The length of the head is coutained four times and a fourth or 

 four times and a third in the total (without caudal) ; its width is 

 once and a fourth or once and a fifth in its length. Eyes in the 

 middle of the length of the head ; occipital process thrice as long as 

 broad. Lips not fringed ; the maxillary barbels extend to the base 

 of the pectorals. The free portion of the tail is more than twice as 

 long as high. Dorsal spine three-fourths of the length of the head, 

 generally slightly serrated behind. Adipose fin longer than dorsal, 

 its length being more than one-half of its distance from the dorsal. 

 Pectoral spine broad, provided with large spinous teeth interiorly ; 

 caudal fin deeply forked. Greenish violet, with blue dots ; lateral 

 line yellow ; dorsal and anal fins with a broad band along the base 

 and along their outer portion ; adipose fin and caudal dotted with 

 brown. 



Sumatra. 

 a. Type of the species. From Dr. P. v. Bleeker's Collection. 



