PARASITOLOGY, VOL. V. NO. 4 
PLATE XV 
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3 
J J 3 
4 5 6 
Nuttallia in Mules. 
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9 
10 
I ^ 
• • 
sJ 
c 
11 
12 
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« • 
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18 
Nuttallia asini n.sp. Dschunkowsky and Luhs. 
