PARASITOLOGY, VOL Vll. NO. 4 
PLATE XXV 
Fig. 3. The under side of a cow's likle showing (on the right) a 2 )artial dissection which reveals 
a young larva lying horizontally and (on the left) an unopened warble 
Fig. 4. The same specimen shown in tig. 3, the warble on the left having, however, been 
partially dissected so as to reveal the position of the larva 
