40 



FISHERY BULLETIN OF THE FISH AND WILDLIFE SERVICE 



antenna/ 

 scale 



5 th antenna/ 

 segment^ 



ventra/ point of 

 sca/e art/cu/af/on 



2nd 'antenna/ ,'' 

 segment'' 



, antenna/ 

 / f/age//am 



4-th antenna/ 

 segment 



/ 3rd an tenna/ 

 segment 



Jst antenna/ 

 segment' 



^excretory 

 pore 



Fioube 23. — Ventral view of right antenna showing skeletal elements. 



