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VO? OV CO 0D 
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GEOLOGICAL SURVEY OF THE TERRITORIES. 
EXPLANATION OF PLATE X. 
BRANCHINECTA PALUDOSA and B. COLORADENSIS. 
. Branchinecta paludosa Miill. (arctica Verrill.), first foot of male. 
Branchinecta paludosa Miill. (arctica Verrill.), second foot of male. 
Branchinecta paludosa Miill. (arctica Verrill.), tenth foot of male. 
. Branchinecta paludosa Mill. (arctica Verrill.), eleventh foot of male. 
Branehinecta paludosa Miill. (arctica Verrill.), cercopoda. 
. Branchinecta coloradensis Packard, first foot of male. 
Branchinecta coloradensis Packard, eleventh foot of male. 
or, del. 
