354, ZOOLOGY, 
The most aberrant of beetles is Stylops (Figs. 338 and 339, 
S. childreni Westwood), the male of which has minute fore 
Fig. 339.—Stylops childrent, female. Fig. 340,—Astraptor illuminator, larva, 
a, parasitic in the abdomen of a bee; 
b, top view of the same. Mauch en- 
larged. 
Fare 
a 
Fig. 342,—The early stages of the common House-fly. A, dorsal and side view of 
the larva; a, air-tubes; sp, spiracle. 0, the spiracle enlarged. , head of the same 
larva, enlarged ; 0/, labrum (?); md, mandibles; ma, maxilla; at, antenne. ZH, a 
onus spiracle much enlarged. JD, puparium ; sp, spiracie, All the figures much 
enlarged. 
wings. The female is wingless, grub-like, imperfectly de- 
veloped, and is viviparous, the young issuing from her body 
