No. 402.] THE VENATION OF TRIMEROTROPIS. 479 
In conclusion it may be said that the variations in the teg- 
mina and wings of one side average nearly two in the females 
and rather more than two in the males, as variations on one 
side are generally repeated upon the other; the average num- 
Mir 
istA 
FIG. 124. 
ML 
ist. A 
Fic. 13 4. 
ber on both sides would be not much less than four. There 
were almost exactly three variations in the tegmina to two in 
the wings. 
VARIATIONS WITHIN THE GENUS. 
In addition to the variations which have already been men- 
tioned as occurring in Zr. soxatilis the following have been 
