520 
GEOLOGICAL SURVEY OF THE TERRITORIES, 
EXPLANATION OF PLATE Ii. 
ESTHERIA BELFRAGEI Packard, and details, with details of E. JonEsit Baird. 
FiG. 
FIG. 
Fig. 
Fig. 
Fic. 
FIG. 
Fie. 
1. The male of E. belfragei, much enlarged, in its shell. 
2. Second anteuna of male of L. belfraget. 
3. First antenna of Estheria jonesii. 
4. 
5 
6 
7 
First lég of male EL. belfragei. 
. First leg of male of EZ. jonesii. The process extending beyond the gill is prob- 
ably a muscle. 
. Second leg of male of E. belfraget. 
. End of body, with telson, of Z. jonesii. 
Fig. 1 drawn by Mr. E. Burgess; details drawn, and filled in with the camera 
lucida, by the author. 
