Male Organs of Insects. 73 
If we except bees and wasps, there are no true insects 
that need be feared; nor need we except them, for with 
fair usdge even they are seldom provoked to use their cruel 
weapon, 
SEX ORGANS OF INSECTS. 
The male organs consist of the testes (Fig. 22, 2) which 
are double. These are made up of tubules or vesicles, of 
which there may be from one, as in the drone bee, to 
Fic. 22. 
Male Organs of Drone, much magnified. 
@ Testes. e Common Duct. 
6 & Vasa deferentia, f g Ejaculatory duct. 
e ¢ Seminal sacs. # Penis. 
d@ Glandular sacs. § Yellow saccules. 
several, as in some beetles, on each side the abdominal cav- 
ity. In these vesicles grow the sperm cells, or spermatozoa 
(Fig. 31), which, when liberated, pass through a long 
