70 



B. JV. Kimkel, 



slender and not so long as first ; third more slender than second 

 and slightly shorter; flagellum with 13 segments. Second antennae 

 with flagellum much longer than peduncle, fourth segment about 

 ^/s shorter than fifth ; first, second, and third joints short and jjro- 

 vided on distal ends with setae ; flagellum made up of about 20 

 segments j^rovided with setae on distal ends. 



Mandibles strong, palp wanting ; Ijotli cutting edges divided into 

 5 or 6 teeth ; 5 plumose spines on spine row ; molar tubercle large ; 



Fig. 26. Hyula punfict H. Katlike. 



bearing plumose flagellum. Lower lip with no inner plate ; outer 

 plate broad, with anterior margin entire and mandibular processes 

 rather small. First maxillae with inner plate slender, triangular and 

 furnished with 2 plumose spines apically ; outer plate moderateh' 

 large with 9 stout pectinate spines in a double row on distal margin 

 which is transverse ; palp small and slender, one-jointed, furnished with 

 setae at apex. Second maxillae with inner plate somewhat smaller 

 than outer ; both oval in form : inner plate provided with pectinate 

 spines on apex and distal half of inner margin ; outer plate witii 



