VI. GASTEROPODA. (Post-pliocene— Canada.) 



Fig. 1. 



Fig. 2. 



Fig. 3. 



Fig. 4. 



Fig. 5. 



Fig. 6. 



Fig, 9. 



Fig. 11. 



Fig. 8. 



Fig. 12. 



Fig. 7. 



Fig. 10. 



FIG. 



1. Haminea solitaria, Montreal. 



2. Lepeta caca, Montreal. 



3. Plates of Amicida Emersonii, 



Montreal. 



4. Trichotropis arctica ? Montreal. 



5. Veluiina zonata^ Montreal. 



6. Natica clajtsa, Montreal. 



7. Admete viridula^ Montreal. 



Fig. 13. 



FIG. 



8. Fusus tornatus, Montreal. 



9. /7<j-«.y^r/w^«^ (Var.), Quebec. 



10. Sipho Kroyeri (recent specimen, 



after Packard). 



11. Scalaria Grcenlandica, Riviere-du- 



Loup. 



12. Acirsa Eschricktii, Quebec. 



1 3. Gasterosteus^ Green's Creek, Ottawa 



