652 
DIPTERA, 
the fore-legs of a horse, the position where they are usually found. The 
animal is supposed to lick off the eggs when hatched, owing to the irri- 
Fig. 426— Eggs of Gastrophilus equi 
ATTACHED TO HORSE’S HaIKS. 
( X ABOUT 10.) 
Fig. 427—G ASTRO! HILUS 
Larva. 
(After Bait.) 
EQUI 
tation caused by the young larvae, which are thus carried into the throat 
and stomach. They may remain in the stomach until ready to pupate, 
when they are passed out with the faeces ( Gastrophilus ), or may in the 
Fig. 428— CEstrus ovis Larva Fig. 429—A. Empty Puparium of CEstrus ovis. 
(After Bau.) B. Posterior end of same, (x 3.) 
