JOURNAL OF MICROSCOPICAL SCIENCE. 



DESCRIPTION OF PLATE I, 



Illustrating the Rev. W. Houghton's paper on Observations 

 on the Fly affecting the Mangold Wurzel Crops in the 

 year 1861. 



Fig. 



a. — Head of Anthomyia Beta (fem.). 

 h. — Wings of do. 

 c. — AnteuDse. 

 d. — Ova (magnified). 

 e. — „ natural size. 

 /.— remale fly. 

 g. — Male fly. 

 h. — Head of male. 

 i. — Female, witJi dusky patches. 

 _;". — Larva. 

 h. — Pupa. 



