PLATE LI. 



Helcion giganteus ? var. Vancouverensis (page 370). 



Figure 1. Specimen from the Nanaimo River, V. I., as viewed from 



above. 



Lima Suciensis (page 399). 



Figure 2. Side view of a left valve of a specimen of this species, from 



the Sucia Islands. Twice the natural size. 



Rhynchonella Suciensis (page 402). 



Figure 3. The largest specimen that the writer has seen, from the 



Sucia Islands. 



Figure 3 a. Front view of the same, to shew the amount of convexity 

 of the closed valves, and the absence of a distinct mesial 

 fold and sinus. 



Figure 4. Portion of the ventral valve of another specimen, from the 



same locality, shewing the " narrow, prominent, acute 

 raised ribs," supposed to be characteristic of this species. 



Terebratella Harveyi (page (403). 



Figure 5. A ventral valve, from Extension mine, Nanaimo, V. I. 

 Figure 6. A dorsal valve, from Texada Island. 



KiNGENA OCCIDENTALIS (page 404). 



Figure 7. Dorsal view of the specimen from the Trent River, V. I., 



described in the text. 



Figure 7 a. Profile view of the same, to shew the proportionate con- 

 vexity of the closed valves. 



