272 



BULLETIN OF THE BUREAU OF FISHERIES. 



Fig. 8,— Larva of Peltodytes edentulus, side view, showing the linear, tracheated, and joiated spines on each segment of the thorax 

 and abdomen. Fig. 9.— Ventral view of the pupa oi Peltodytes edentulus. Fig. 10.— Antenna of larva of Coptotomus inter- 

 rogatus. Fig. 11.— Mandible. Fig. 12.— Maxilla, ventral view. Fig. 13.— Labium, ventral view. Fig. 14.— Antenna of 

 adult beetle. Fig. 15.— Labial palp of adult beetle, side view. 



