374 



ZOOLOGY. 



The most aberrant of beetles is Stylops (Figs. 343 and 344, 

 S. cliildreni Westwood), the male of which has minute fore 



Fig. 344. Stylops childreni, female, 

 fl, parasitic in the abdomen of a bee ; 

 b, top view of the same. Much en- 

 larged. 



Fig. 345. Astraptor illuminator, larva. 



Fig. 346. The early stages of the common House-fly. A, dorsal and side view of 

 the larva ; a, air-tubes : sp, ppiraclo. C, the spiracle enlarged. F, head of the same 

 larva, enlarged; bl, labrum (?); md, mandibles ; mx. maxillse ; at, antennae. E, a 

 terminal spiracle much enlarged. D, puparium ; sp, spiracle. All the figures much 

 enlarged. 



wings. The female is wingless, grub-like, imperfectly de- 

 veloped, and is viviparous, the young issuing from her body 



