7. SACCOBRANCHUS. 81 



extends to the third or fourtli anal raj\ A notch between anal and 

 caudal. 



Bengal. Cochinchina. 



a-b, c-d, e-g. Adult, half-grown, and young. Ganges. Presented 

 by G. K. Waterhouse, Esq. — Types of the species. 



h~i. Adult. Calcutta. From the Collection of Messrs, von Schla- 

 gintweit. 



k. Adidt : stuffed. Calcutta. From Mr. Wyllie's Collection. 



I. Adult : stuffed. Cochinchina. 



2, Saccobranchus fossilis. 



? Silurus fossilis, £1. taf. 370. fig. 2 ; £1. Schn. p. 386. 

 D. 7. A. 64. P. 1/6. V. 6. 



The height of the body is one-seventh of the total length (without 

 caudal), the length of the head (to the end of the operculum) one- 

 sixth. Eye rather small, about one-third as long as the snout. The 

 maxillary barbels extend to the middle or to the extremity of the 

 pectorals. The distance of the dorsal fin from the end of the snout 

 is one-third of the total length (without caudal). Pectoral spine of 

 moderate strength, its length being two-thirds of that of the head. 

 Ventral fin short, reaching to the origin of the anal. Anal and caudal 

 fins scarcely separated by a notch. 



Hindostan, Nepal, Khasya. 



«. Adult. Delhi. From the Collection of Messrs. von Schlagintweit. 

 b-d. Half-grown. Khasya. Presented by Sir W. Hooker. 

 e. Half-grown. Nepal. Presented by B. H. Hodgson, Esq. 



3. Saccobranchus microps. 

 D. 8. A. 70. P. 1/6. V. 6. 



The height of the body equals the length of the head, and is one- 

 eighth of the total (without caudal). Eye smaU, about one-third as 

 long as the snout. Barbels very long ; those of the nostril extend to 

 the extremity of the pectoral, those of the maxillary to, or nearly to, 

 the root of the ventral. The band of vomerine teeth is interrupted in 

 the middle. The distance of the dorsal fin from the end of the snout 

 is two-sevenths of the total length (without caudal). Pectoral spine 

 feebly serrated, of moderate strength, its length being two-thirds of 

 that of the head. Ventral fin reaching to the origin of the anal. Anal 

 and caudal fins united. Brown. 



Ceylon. 

 a-c. From 5-6 inches long. Purchased of Mr. Cuming. 



4. Saccobranchus microcephalus. 



D. S. A. 74. P. 1/7. V. G. 



The height of the body is one-eighth of the total length, the length 

 of the head one-seventh ; eye of moderate size, half as long as the 



