}32 TELEOSTEI. ACANTHOPTBRYGII. 



887. (2.) Histiophorus immaculatus. 



Histiophorus immaculatus, Riipp. P. Z. S. 1835, p. 187 ; Day, Fish. 



India, p. 199 (see synon.). 

 Yemungolah, Tamil. 



D. 47/7. P. 16. V. 3. A. 10-11/7. C. 17. 



Length of bead (including the snout) 3, height of body 10 in 

 the total length. Eyes diameter about 3 in postorbital portion 

 of head. A very slight ascent from the snout to the base of the 

 first dorsal fin. Fins length of base of dorsal fin about 3 of total 

 length, eleventh to fifteenth dorsal rays the longest, and at least 

 three times higher than the body ; the last few rays are low and 

 reach to base of second dorsal fin. Ventral elongate. Scales 

 dermal productions lanceolate. Lateral line at first makes a very 

 strong curve, but becomes straight above the hind extremity of 

 the pectoral fin. Colour grey, dorsal and ventral blackish. 



Hob. Bed Sea and seas of India. A specimen in the Madras 

 Museum was 5 feet 9 inches in length. 



888. (3.) Histiophorus brevirostris. (Fig. 52.) 



Histiophorus brevirostris, Play fair, Fish. Zanz. pp. 53, 145, c. fig. ; 

 Day, Fish. India, p. 199, pi. xlvii, fig. 3 (see synon.). 



D. 35/7. P. 19. V. 2. A. 11/7. C. 17. 



Length of head (including the snout) 3, of caudal lobes 5, 

 entire length of upper jaw (including the snout) 4|, height of 

 body 8 in the total length. Greatest width of head equals its 

 depth. Eyes diameter 3 in postorbital portion of the head. A 

 very slight ascent from the snout to the base of the first dorsal 

 fin. Snout produced, its length, beyond the anterior extremity of 

 the lower jaw, rather above $ of that of the head. Urnfast 

 dorsal highest anteriorly, where it nearly equals the body in height, 

 posterior rays from about the fifth not quite 1 the height of the 



Fig. 52. Histiophorus brevirostris. 



anterior ; second dorsal with its last ray prolonged. Pectoral as 

 ong as the head behind the front nostril. Ventral reaches above 

 hallway to anal and equals about i of entire length of fish. First 

 anal fin commences under about the 25th dorsal rav, it is highest 

 norly, where it equals of the bodv above it, its lower edge is 



