and Classification of Rhynchota. 237 
B 
o 
et 
te 
[e] 
e 
fa 
[67] 
[e] 
3 
o 
g 
= 0 
fu 
= 
£e 
E 
fas) 
~ 
S 
o 
S 
3 
S 
XY 
3 
[o] 
also between other modifications of different types of water- 
bugs; with regard to Nepe and Belostomata, we observe it be- 
sides in these points—that the side of the metathorax in both 
1s covered by the lateral part of the mesothorax, and that in 
both the ramified antennz serve as air-reservoirs. 
y 
We arrive here at a point of structure which is still shrouded 
