OF THE MALTESE ISLANDS. 



65 



(fig. 10) they occupy practically the whole of the abdominal cavity, extending 

 forwards as far as the second segment. They are bi-lateral, and' each ovary 

 comprises 20-25 ova, representing a full complement of 40-50, so that these 



Fig. 10. — A female Phlebofomus, showing fully matured ovaries. 



insects cannot be considered very prolific. The tubidar oviducts unite at a point 

 just before reaching the base of the inferior claspers, where they form the 

 common oviduct. 



The spermathecae (fig. 11) lie in the median line in the region of the oviducts. 

 They consist of a single thin- walled, sub-spherical sack, and are relatively very 

 large ; at their junction with the duct they are strongly chitinised, and consist of 



Sebaceous 

 gland 



Spermatheca 

 viduct 



Inferior clasper 



Superior clasper 



Pig. 11. — Female generative organs of Fhlebotomus. 



