396 INTKODUCTION TO ENTOMOLOGY. 



changes to the pupa in the abdomen of the female before 

 bemg deposited. 



The figure, p. 395, was taken from specimens forwarded to me 

 from S. Africa, by Mr. Bairstow, of Port Ehzabeth, as being 

 injurious to Ostriches, and on examination for me by M. 

 Bigot (Paris), the well-knowndipterist, they were consid ered 

 by him to be of a previously undescribed species. 



