31. MACRONES. 75 



pungent spine and with seven soft rays ; anal fin short, with less 

 than twenty rays. Barbels eight. Teeth on the palate in a con- 

 tinuous band ; no labial teeth. The upper jaw is the longer. Orbit 

 with a free circular eyelid. Caudal forked • ventral with six rays. 



Asia. 



This genus may be divided into the following groups: — 

 I. Adipose fin much longer than anal : Hypselobagrus, p. 75. 

 II. Adipose fin not much longer, or shorter than anal. 



A. A separate interneural shield on the nape : Macrones, p. 78. 



B. No separate interneural shield : Hemibagrus, p. 79. 



I. Adipose fin much longer than anal. 



1. Macrones aleppensis. 



Mystus, Russell, Hist, of Aleppo, (ed. Angl.) p. 76. tab. 13. fig. 1; (ed. 



Leyden) p. 89. tab. 5. fig. 6; Gronov. Zoophyl. Pise. p. 120. n. 388. 



pi. 8«. fig. 6. 

 Bagrus halepensis, Cuo. §• Veil. xiv. p. 413. 



D. 1/7. A. 12. P. 1/8. V. 6. 

 The height of the body is contained five times and a third in the 

 total length (without caudal) the length of the head four times and 

 a half. Head rather broadci than high, its greatest width being 

 three-fifths of its length. Snout somewhat depressed, not very broad, 

 its length being two-fifths of that of the head ; the upper jaw is the 

 longer. Nasal barbels small ; those of the mamillaries extend to the 

 origin of the adipose fin. Dorsal spine of moderate strength, scarcely 

 serrated behind as long as the head, without snout. Dorsal fin 

 rounded above. The adipose fin commences immediately behind, and 

 is nearly thrice as long as, the dorsal ; it is lowei than the hinder 

 part of the tail. Caudal fin forked, with the lobes rounded, the upper 

 being the longer. Pectoral spine as long as, but stronger than, that 

 of the dorsal fin, very strongly dentated interiorlj'. The ventral fin 



Gang. pi. 1. fig. 72 (without description). — Bagrus eorsula.CW. SfVal. 

 xiv. p. 408. — Ganges. 



2. Silurus erythropterus, Bl. tab. 309. fig. 2; Bl. Schn.?. 385.— Habitat — ? 



3. vittatus, Bl. tab. 371. fig. 2; Bl. Schn. p. 387.— Bagrus vittatus, 



Cuv.fy Vol. xiv. p. 413. — Tranquebar. 



4. Bagrus traehacanthus, Cuv. $ Veil. xiv. p. 419. — Bengal. 



5. oculatus, Cuv. $ Vol. xiv. p. 424. — Malabar. 



0. limbatus, Richards. Ichth. Chin. p. 283.— Canton.— The typical 



specimen is in the Museum of the Philosophical Society of the Uni- 

 versity of Cambridge. 



7. aorinus, Valenc. inJacquem. Voy. bid. Poiss. pi. 17. fig. 1.— East 



Indies.. 



8. Pimelodus cliandramara, Zfam. Buck. pp. 102, 37. r > (description faulty).— 



Silundia chandramara, Cuv. # Vol. xv. p. 52. — Batasio chandramara, 

 Blyfh, Journ. As. Soc. Bvng. 1861, xxix. p. 150.— River Atreyi. 



