74 
Y. N1ISIMA. 
Fig. I 
Fig. 2 
Fig. 3 
Fig. 4 
Fig- 5 
Fig. 6 
Fig. 7 
Fig. 8 
Fig- 9 
Fig. io 
Explanation of Figures in Plate II. 
. Work of Scolytus esuriens Blfd. in the bark of elm tree. 
Natural size. 
:. Abdominal segments of Scolytus esuriens Blfd. 'J', ventral view. 
„ 
,. Scolytus chikisanii, sp. n. fj?. , dorsal view. 1 1 x . 
,, „ , lateral view. 1 1 x . 
i. Scolytus curviventralis, sp. n. dorsal view. (3X. 
. „ „ , lateral view. 13 X. 
. Scolytus aequipunctatus , sp. n. ^ dorsal view. 24 X . 
„ ,, , lateral view. iix. 
1. Work of Scolytus japonicus Chap, on the wood of apple tree. 
Natural size. 
