BY 0. CHILTON. 



727 



Left mandible (fig. 7) with the inner cutting edge large, 

 funned of 4 teeth, dark brown in colour, only one penicil visible; 

 ciliated lappet delicate, fringed with many fine seta?. 



Both mandibles with numerous fine seta? near the bend in the 

 outer margin. 



Lower lip (fig. 5) small, narrow, outer and inner margins 

 and surface near the inner margin thickly covered with fine 

 seta?. 



Maxilla 1 (fig. 8) with the outer margin of outer lobe some- 

 what simums; a tuft of fine seta? towards distal end; apex 

 bearing 6 or 7 strong teeth, the outer stronger than the inner 

 and brown in colour. Inner lobe delicate, rather broad, a small 

 tuft of fine seta? at distal end of outer border, apex with the 

 usual two plumose setae. 



Maxilla 2 (fig. 9) very delicate, inner lobe broad, covered at 

 the apex with fine seta?, outer lobe narrower, more strongly 

 chitinous. apparently marked off from the inner by a suture 

 and indistinctly divided into two joints, both thickly supplied 

 with short seta?. 



Text-fig. 8. 

 First maxilla. 



Text-fig. 9. 

 Second maxilla. 



Text-fig. 10. Maxilliped. 



