J. G. Bradbury 

 a. Blow-fly, Calliphora sp. ( x 24) 



Arthur L. E. Barron 



b. Hen slick-tight flea, Echidnophaga 

 gallinaceus (female, x 136) 





Martin Duncan Arthur L. E. Barron 



€. House-gndLt, Culex pipiens, {[emale, x 57) d. ^hecp lick, Ixodes ricinus (female, x loi) 



MOUTHPARTS SHOWING ADAPTATIONS TO SPECIALISED 

 METHODS OF FEEDING 

 Plate XII 



