354 



PLATE 44. 



.?\^t AJuTh 



Fi<j5. ]fi\:\a^ of Acaly'ptrahe flies 'cell a." open. Fi<]4. Po^enbr End of Ma^<J0t 



a. Spirade5. 



Fic^G Wingof Gal/pt:ra(e fires "cella" closed. 



Fib.T brva of Hairy-ma^oot llowflv ^ ^ • r 



' ^ ' Fiq8. Pupariofnotsa 



pafiofnoTsam.e 



BLOW FLY. 



