536 GEOLOGICAL SURVEY OF THE TERRITORIES. 
EXPLANATION OF PLATE XI. 
BRANCHINECTA LINDAHLI and BRANCHIPUS VERNALIS Verrill, and details. 
Fie. 1. Branchinecta lindahli, 10th foot, x 14 B. 
Fic. 2. Branchipus vernalis Verrill. Enlarged 33 times; fg, frontal process; inf, intes- 
tine; p, penis (gonopoda). 
tie. 3. Branchipus vernalis, first foot of male, x 30 diameters. 
Fic. 4. Branchipus vernalis, first foot of female, x 30 diameters. 
Fic. 5. Branchipus vernalis, eleventh or last foot, male, x 30 diameters. 
Fic. 6. Branchipus vernalis, end of body (cercopoda) of male. 
Fic. 7. Branchinecta 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. 
