454 FISHES FROM SOUTH SEA ISLANDS, 



Purplish brown. Base of pectoral and of caudal pale, in the 

 latter space a vertical ellipse of the ground colour. Scales of body 

 with conspicuous dark edges and obscure pale spots tending to 

 form longitudinal lines. 



Length, 2£ inches. Locality, South Seas. Collector, Captain 

 Eastlake. 



ExOCiETUS LONGIBARBA. 



D. 14. A. 13. 



From the chin a long barbel \ of the length of the head. Head 

 longer than the height. Snout § of the eye. 



Pectoral reaching beyond the base of the caudal. Insertion of 

 the ventral nearer to the snout than to the caudal. Dorsal low 

 not reaching the caudal. 



Pectoral black with the basal half paler. Two dark grey bars 

 across the posterior part of the trunk not meeting below. Base of 

 caudal black. 



Loc. New Britain. 



Arius armiger. 



D. 1/7. A. 22. P. 1/8. 



Teeth in two bipartite divisions, forming a curved band. 

 Vomerines sub-granular ; in separated groups, which are more 

 than twice as long as broad and elliptical. Palatines in granular 

 groups contiguous to vomerines, elongate, ovate. Cephalic shield 

 as broad as long with the sides emarginate ; fore end angular, 

 hind end truncate. Base bone of dorsal moderate, chevron shaped. 



Height, 6J?, head 4f in the length. 



Dorsal spine longer than the head ; pectoral f of dorsal ; 

 ventral \ of pectoral. Outer maxillary barbel reaches beyond the 

 pectoral spine ; mandibulary nearly to its tip. Adipose fin | of 

 dorsal. Eyes about J of snout. Upper lobe of caudal longest. 

 Dorsal spine in front, granulate at base, sub-serrated above ; 

 behind strongly toothed. Pectoral spine smooth before, strongly 

 toothed behind. 



Paired fins white at base, black for the rest. 



Loc. New Britain. Length, 8 inches. 



