2. AGONOSTOSIA. 401 



contained six times in the total length, the length of the head five 

 times and a half. Dorsal si)incs somewhat feeble, the antonor ones 

 being nearly one-third of the length of the head ; the origin of the 

 second dorsal fin is above the middle of the anal. 

 Ganges and tributaries. 



a. Adult : stuffed. Calcutta. Purchased of Mr. Bartlett. 



2. AGONOSTOMA. 



Agonostomus, Benn. Proc. Comvi. Zool. Soc. 1830, p. IGG. 

 Cestraeus, Cuv. (^- Val. xi. p. 156. 

 Dajaus, Cuv. Sf Val. xi. p. 164. 

 Nestis, Cuv. Sf Val. xi. prl66. 



Cleft of the month extending on the sides of the WJout, beyond, to, 

 or nearly to the orbit. Small teeth at least in joup of the jaws, and 

 sometimes on the palate. The lower lip with the margin rounded, 

 not shai-p. Stomach not particularly muscular; 



Fresh waters of the West Indies, Central America, New Zealand, 

 Australia, Celebes, Mauritius, and the Comora Islands. 



1. Agonostoma plicatile. 

 Cestraeus plicatilis, Cuv. (Jj- Val. xi. p. 157. pi. 315. 

 D. 4 I -g-. A. |-. L. lat. 44. L. transv. 13. Cicc. pylor. 2. 



Small teeth in the upper jaw ; no other teeth. The height of the 

 body is contained four times and a third in the total length. Eye 

 without adipose membrane. Upper lip very thick, with numerous 

 small papillae ; the lower with transverse lamella). 



Fresh waters of Celebes and of Aneiteum. 



a. Adult : stuffed. Aneiteum. From Mr. MacgiUivray's Collection. — 

 This specimen diff'ers from that described by Valenciennes in 

 having the prffiorbital slightly serrated, and a blackish blotch on 

 the top of the second dorsal fin. It belongs, perhaps, to a 

 different species. 



2. Agonostoma oxyrhynchTun. 



Cestraeus oxyrhjnichus, Cuv. ^- Val. xi. p. 162; Bleek. Celeb, viii. p. 307, 

 ftnd Act. Soc. Sc. Inclo-Nederl. \\\i., Sumatra, ix. p. 9. 



D. 4 U. A. ^. L. lat. 45. Ctec. pylor. 2. 



The height of the body is contained five times and a fourth or five 

 times and a half in the total length. Eye without developed adipose 

 membrane. Lips thick ; the upper without papilloe, the lower with 

 inconspicuous transverse lamella). A small patch of teeth on each 

 side of the vomer ; those of the upper jaw small, none in the lower. 



Fresh waters of Celebes, Batjan, and Sumatra. 



