G02 Mr. W. L. Distant on Rhi/nchota. 



AmphUius jacksonii. 



Depth of body 7 times in total length, length of head 4^- 

 times. Head mnch depressed, slightly longer than broad ; 

 snout rounded, ^ length of head ; eye small^ 6 times in 

 length of head, twice in intei'ocular width ; posterior nostril 

 much nearer eye than end of snout ; maxillary barbel 

 slightly shorter than head, just reaching root of pectoral; 

 outer mandibular barbel | length of head, inner \. Gill- 

 rakers rather long, 7 on lower part of anterior arch. Dorsal 

 I 6, much nearer end of snout than root of caudal. Adipose 

 dorsal 3 times as long as deep, 1^ times as long as rayed 

 dorsal, twice its distance from latter. Anal III 7. Pectoral 

 as long as head. Ventral as long as pectoral, well behind 

 base of dorsal, equally distant from end of snout and from 

 root of caudal. Caudal deeply emarginate, crescentic. 

 Caudal peduncle twice as long as deep. Yellowish brown, 

 spotted and marbled with dark brown ; a blackish streak 

 from the eye to the maxillary barbel ; a blackish bar at the 

 root of the caudal ; fins whitish, dorsal with a distal transverse 

 series of black spots, dorsal, ventral, and anal with two black 

 transverse bars, caudal spotted with black. 



Total length 100 mm. 



A single specimen from the Hima River, eastern foot-hills 

 of Ruwenzori, 3500 feet, flowing into Lake George 

 (Ruisamba). 



l,'^XMl.—Rhynchotal Notes. 

 By W. L. Distant. 



H E T E R O P T E R A. 



Fam. Pentatomidae. 

 Mabusana, gen. nov. 



Body subovate, moderately convex ; head long, obliquely 

 depressed, its apex subtruncate, lobes of equal length, lateral 

 lobes somewhat flat and ampliate, anteriorly rounded ; ros- 

 trum about reaching the posterior coxpe, first joint slightly 

 passing base of head, second longest, about reaching inter- 

 mediate coxse ; antennse five-jointed, moderate in length, 

 first joint about or almost reaching apex of head, remaining 

 joints longer and subequal in length; pronotum broader 



