636 GEOLOGICAL SURVEY OF THE TERRITORIES. 



EXPLANATION OF PLATE XI. 



Brajstchlnecta Lindahli and Branchipus vernalis Verrill, and details. 



Fig. 1. BrancMnecta lindahli, lOtb foot, X 1^ B. 



Fig. 2. Branchipus vernalis Yerrill. Enlarged 3i times; fg, frontal process; int, intes- 

 tine ; p, penis (gonopoda). 

 Fig. 3. Branchipus vernalis, first foot of male, X 30 diameters. 

 Fig. 4. Branchipus vernalis, first foot of female, X 30 diameters. 

 Fig. 5. Branchipus vernalis, eleventh or last foot, male, X 30 diameters. 

 Fig. 6. Branchipus vernalis, end of body (cercopoda) of male. 

 Fig. 7. BrancMnecta lindahli, end of body of female, X 30 diameters. 



Fig. 2 drawn by Mr. E. Burgess ; the other figure by the author, with the camera 

 lucida. 



