SILUKID^E. 110 



Synopsis of Indian Species. 



A. With six barbels. (Stlurus.) 



A. 58-62. Vomerine band of teeth in- 

 terrupted. Leaden, shot with purple. 1. S. wifnaadewin, p. 119. 



B. With four barbels. (Parasihtrm.) 



A. 70-78. Voraerine band of teeth un- 

 interrupted. Purplish brown 2. S. afyhana, p. 119. 



A. 62-64. Vomerine band of teeth in- 

 terrupted. Leaden, shot with purple . 3. S. cochinchinensis, p. 120. 



125. (1.) Silurus wynaadensis. (Fig. 50.) 



Silurus wynaadensis, Dny, P. Z. S. 1873, p. 237 ; and Fish. India, 

 p/480, pi. cxi, tig. 6 (see synon.). 



B. xii-xiv. D. 5. P. 1/10. V. 8. A. 58-62 (2/58-60). C. 19. 

 Length of head 6 to 7, of caudal fm 10, height of body 8 to 8| 

 in the total length. Eyes small, situated just above the angle of 

 the mouth, from 2| to 3 diameters from the end of snout, and 5 

 apart. The greatest width of the head equals its length behind 



Fig. 60. Silurus wynaadensis. 



the nostrils ; lower jaw slightly the shorter and rather elevated in 

 the centre. Width of the gape of the mouth equals the postorbital 

 length of the head. A row of large open pores along the lower 

 jaw and across the cheeks. Barbels the maxillary nearly twice as 

 long as the head, the mandibular pair on each side situated one 

 anterior to the other at a distance equalling one diameter of the 

 orbit, both extend nearly to the base of the pectoral fin. Teeth 

 two oval patches on the vomer divided by a short interspace. 

 Fins dorsal small, situated anterior to the origin of the ventral. 

 Pectoral with a short but strong spine ending in a soft termina- 

 tion. Ventrals reach the origin of the anal, the latter is divided 

 from the rounded caudal by a notch. Colour leaden, becoming 

 purplish beneath and covered all over with small black points ; 

 some specimens have a dark finger-mark on the shoulder. 



Hob. "VVynaad, in a stream about 3000 feet above the level of 

 the sea. Said never to exceed 12 inches in length. 



126. (2.) Silurus afghana. 



Silurus afghana, Giinther, CataL v, p. 34; Day, Fish. India, p. 481, 

 pi. cxii, tig. 1 (see synon.). 



