Tech. Series 17, Part II, Bureau of Entomology, U. S, Dept. of Agriculture. 



Plate XVI. 



TiBi/t AND Tarsi of Typical Species of the Subfamilies of Scolytoidea. 



Fig. 16. — Scolytus scolytus (Scolytinse), left tibia, dorsal aspect. Fig. 16a. — Left tibia of same, ventral 

 aspect. Fig. 16&. — Left tarsus of same, dorsal aspect. Fig. 17. — Scolytoplatypus sp. (Scolytoplaty- 

 podinEe), left tibia, dorsal aspect. Fig. 17a. — Left tibia of same, ventral aspect. Fig. 17b. — Left 

 tarsus of same, dorsal aspect. Fig. 18.— Platypus cylindrus (Platypodinse), left tibia, dorsal aspect. 

 Fig. ISa. — Lefttibiaofsame,ventralaspect. Fig. 18&. —Lefttarsusof same, lateralaspect. (Origmal.) 



