38 
39 
40 
4I 
Xylocleptes undes. sp, antenna. (Greatly enlarged) 
Hylastinus obdscurus Marsh, antenna, (Greatly enlarged) 
Ips pini Say, declivity of elytra: (Enlarged) 
Micracis opacicollis Lec., declivity of elytra. (Enlarged) 
184 

