Plate III 



Fig. t. 



Blow-fly or Blue-bottle, Calliphora erytlu-ocephala, female ( x 3). Antenna. Male 

 head, dorsal view. Side view of head. Natural size, resting position. 



Blow-fly or Blue-bottle, Calliphora vo/niforia, female ( x 3). Antenna. 

 Natural size, resting position. 



