(162) 



STRUCTURE, DEVELOPMENT, AND BIONOMICS OF HOUSE-FLY. 403 



I, 



IF! 

 53 1 



iiit O ^O cc co O c^ i 



I 1 1,1 g^g |g i 



8 





i & 



1 1 a 



CD g 00 



x^ 



HI 



QJ 2. o3 





i i 



00 <N 



*>* I 



8 



<N OS I-H TJI ,-1 i-i lOXCO 



oo" c<f o"s<r <M" co" 







i-l CO 



11 



S ' 2 '. 'I 

 crt 3 * 3 



<D . O . S . J^ 



'S w X o> ri J* -v 



I I 

 *.* 



P< w" 



H 2 



OB ^ 



a- -ft- 



S^^ ^b 



_o > > > 



*H 



S 



bb 

 p 



