31. MACRONKS. 81 



the dorsal fin is less than its distance from the adipose. Candal 

 deeply forked, with the upjjcr lohe more or less produced. Pectoral 

 spine very strong, serrated interiorly, as long as the head without 

 snout, extendma: to the vertical from the second and third dorsal 

 rays. Ventral inserted behind the dorsal. 



Java, Sumatra, Banka, Borneo. 

 a, b. Fine specimens. Java. 



c. Half-grown. From Dr. P. v. Bleeker's Collection. 

 (I. Young. From Dr. Cantor's Collection. 



Baqrus hoevenii. (Bleek. Verh. Bat. Gen. xxi., SUur. Batav. p. 2G ; 

 Prodr. Silur. p. 153; and Atl. Ichth. Silur. p. 56. tab. 70) differs 

 scarcely from B. nemurus in having the body a little more slender, 

 the head a little shorter, and the occipital process rather more dis- 

 tinct. 



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

 11. Macrones planiceps. 



Bagrus planiceps, {K. Sf v. H.) Cuv. ^- Val. xiv. p. 421 ; Bleek. Prodr. 

 Silur. p. 154. 



anisurus, (K. 6f v. H.) Cuv. 8f Veil. xiv. p. 422. 



iiavus, Bleek. Verh. Bat. Gen. xxi., Silur. Batav. p. 28. 



Ilemibagrus planiceps, Bleek. Atl. Ichth. Silur. p. 56. tab. 71. 



D. 1/7. A. 14 (11-12, C. 4- v.). P. 1/9. 



The height of the body is contained six times and a half in the 

 total length (without caudal), the length of the head four times ; the 

 depth of the head is contained twice in its length, its width once and 

 a third ; head not granulated above, nape of the neck covered with 

 skin. Snout much depressed ; vomerine teeth in a continuous cres- 

 cent-shaped l)and ; the maxillary barbels extend to, or beyond, the 

 ventral fins. Dorsal fin scarcely higher than the body ; its spine is 

 half as long as the head, and not serrated : adipose fin as long as 

 the dorsal ; its distance from the dorsal equals its length. Pectoral 

 shorter than the head ; its spine is stronger and longer than that of 

 the dorsal fin, and serrated interiorly ; ventral shorter than the pec- 

 toral. Caudal deeply forked, with the lobes pointed. 



Java and Sumatra. 

 a. From Dr. P. v. Bleeker's Collection. 



12. Macrones tengara. 



Pimelodus tengara, Ham. Buck. Fkh. Gang. pp. 183, 377. tab. 3. fig. Gl. 



carcio, Ham. Bmh. pp. 181, 377. 



bntasius, Ham. Buck. tab. 23. fig. 60 (not descr.). 



Bagrus tenggara, Cuv. S^ Val. xiv. p. 414; Bleek. Verh. Bat. Gen. xxv., 



Himhst. p. 114. 

 batasio. Cur. <^- Val. xiv. p. 425. 



B. 10. D. 1/7. A. 12. P. 1/8. V. 6. Vert. 9/22. 



The height of the body e(iuals the length of the head, and is one- 



