534 GEOLOGICAL SURVEY OF THE TERRITORIES. 



EXPLANATION OF PLATE X. 



Branchinbcta paludosa and B. colorajdensis. 



Fig. 1. Branchinecta paludosa Miill. {arcticu Verrill.), first foot of male. 



Fig. 2. Branchinecta paludosa Mull, (arctica Verrill,), second foot of male. 



Fig. 3. Branchinecta paludosa Miill. {arctica Verrill. ), tenth foot of male. 



Fig. 4. Branchinecta paludosa Miill. (arctica Verrill.), eleventh foot of mats. 



Fig. 5. Branchinecta palndosa Miill. (arc<ica Verrill.), cercopoda. 



Fig. 6. Branchinecta coloradensis Packard, first foot of male. 



Fig. 7. Branchinecta coloradensis Packard, eleventh foot of male. 

 Author, del. 



