MANUAL OP THE APIARY. 



63 



Spermatozoa, which, when liberated, pass through a long con- 

 voluted tube , the vas-deferens (Fig. 10, b, b), into the seminal 

 sack (Fig. 10, c, c), where, in connection with mucous, they 

 are stored. In most insects there are glandular sacks (Fig. 

 10, d) joined to these seminal receptacles, which in the male 

 bee or drone are very large. The sperm cells mingled with 



Fig. 10. 



I Male Organs of Drone, much magnified. 



a— Testes. 



b, /)— Vasa def erentia. 



c, c — Seminal sacks. 



- a— Glandular sacks. 



e— Common duct. 



/, ff— Ejaculatory sack. 



ft— Penis. 



i— Yellow saccules. 



these viscid secretions, as they appear in the seminal receptacle, 

 ready for use, form the seminal fluid. Extending from these 

 seminal receptacles is the ejaculatory duct (Pig. 10, e,f,g), 

 which in copulation carries the male fluid to the penis (Fig. 

 10, h), through which it passes to the spermatheca of the 



