188 siluriua:. 



Dorsal spine two-thirds or three-fourths of the length of the head, 

 generally slightly denticulated behind. Adipose fin longer than dor- 

 sal, its length being more than one-half of its distance from the 

 dorsal. Pectoral spine broad, provided with large spinous teeth in- 

 teriorly ; caudal fin deeply emarginate. Brownish above. 

 Java and Sumatra. 



a. One of the typical specimens. From Dr. P. v. Bleeker's Collection. 



b. Java. Purchased of Mr. Frank. 



/S. The outer ventral and pectoral rays transversely plaited below. 



7. Glyptosternum striatum. 

 M'Clett. Calc. Journ. Nat. Hist. ii. p. 587. tab. 6 (upper figs.). 

 D. 1/6. A. 11. P. 1/11. Y. 6. 



Head nearly as broad as long, its • length being one-fifth of the 

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

 head ; occipital process thrice as long as broad. Lips not fringed ; 

 the maxillary barbels extend beyond the root of the pectorals. The 

 free portion of the tail is twice as long as high. Dorsal fin higher 

 than the body, obtusely pointed above ; its spine is slender, enveloped 

 in skin, half as long as the head. Adipose fin much longer than 

 dorsal, its length being two-thirds of its distance from the dorsal. 

 Caudal fin deeply forked, with the lobes pointed, the lower lobe 

 being the longer, one-fifth of the total length. The outer rays of 

 the pectoral and ventral fins are very broad, cartilaginous, provided 

 with numerous obliquely transverse folds underneath, of a similar 

 structure to those on the thorax. The pectorals terminate at some 

 distance from the ventrals. Uniform brownish. 



Assam ; Khasya. 



a. Three and a half inches long. Khasya. From the Collection of 



the East India Company. — One of the typical specimens from 

 Mr. Griffith's Collection. 



b. Three and a half inches long. Assam. From the Collection of 



the East India Company. 



M'Clelland, in describing his Glyptosternon reticulatus from Afghan- 

 istan (Calc. Journ. Nat. Hist. ii. p. 584), appears to have had a 

 species very similar to Ql. striatum. 



8. Glyptosternum pectinopterum. 

 M'Clell. Calc. Journ. Nat. Hist. ii. p. 587. 

 A. 7. P. 9. The dorsal spine with a row of sharp points along 

 its anterior margin ; the outer pectoral and ventral rays broad, trans- 

 versely plaited below. (M l Cl.) 

 Simla. 



