138 CLASS XIV. 



PL 92, fig. 2, (in which figure, however, as in all with which I am 

 acquainted, the barbule at the lower jaw is omitted). According to 

 Valenciennes this species is from St Domingo. 



Ftstularia L. (in part). Body elongate, covered with naked 

 skin. Snout compressed, very long; teeth small, subulate, few, in 

 a single row in intermaxillary bone, in lower jaw and on both sides 

 of palate. Lower jaw without cirrus. Dorsal fin single, short. 

 Ventral fins small, distant. Caudal fin forked, with single or 

 double very long terminal seta between the lobes. Branchiostegous 

 membrane with six or seven rays. 



Sp. Fistularia tabacaria L., Mus. AdolpJi. Frider. Tab. ■26, fig. r. Bloch 

 Ichth. Tab. 387, fig. i ; this has only one thread at the caudal fin (1) ; 

 — Fistularia serrata Bloch, ib. fig. 2 ; with two threads. Both species are 

 from South America. 



Fistularia immaculata CoMMERS., J. White Journal of a Voyage to 

 Neiv South Wales, PI. 64, fig. 2 ; in the Indian Ocean and the South Pacific ; 

 common at Japan, The colour during life is brown-red ; there is a single 

 thread at the caudal fin. 



Family XXXII. Theutides. Body compressed, scaly, oblong 

 or oval. Scales small, smooth, mostly rough posteriorly with thin 

 spines. Mouth small, with maxillary teeth in a single row ; pala- 

 tine teeth none. Dorsal fin single, long. Ventral fins thoracic. 

 Caudal fin narrow at the base, ample towards the extremity, trun- 

 cate or excised. Lateral line, parallel to back, curved at the com- 

 mencement, posteriorly straight. 



A small family of marine fishes from warm regions, all living on 

 vegetable food. In the habitus they approach nearest to some 

 iScombero'ids, as Stromateus. 



+ Hard pungent rays in anal fin two or three. Skm rough, vnth 

 scales very small, sometimes incons^yicuous or none. 



Keris Valenc. Teeth subulate. Tail unarmed. Ventral fins 

 jugular, with a single pungent ray and five soft. 



1 Does this species also occur on the coast of Africa ? The Rijhs-Muscum received 

 a specimen from Guinea resembling in marking that of Bloch. The species of 

 this genus are not yet suflBciently distinguished. 



