V. LAMELLIBRANCHIATA. (Post-pliocene— Canada.) 



Fig. 1. 



FiL^ 3. 



Fig. 2. 



Fig. 5. 



Fig. 6. 



Fig, 9. 



Fig. 10. 



Fig. 7. 



Fig. 8. 



Fig. 11. 



Fig. I. Modiolaria nigra, Portland. 



Fig. 2. MytUus edidis — (Var. elegans) — Montreal. 



Fig. 3. Aiacoma calcarea, Riviere-du-Lx)up. 



Fig. 4. Maconui Grcenlandka, Riviere-du-Loup. 



Fig. 5. Mcuoma infiata, Riviere-du-Loup. 



Fig. 6. Leda pernula — (Var. tenuisculata) — Riviere-du-Loup. 



Fig. 7. Leda pernula — (Var. buccata) — Riviere-du-Loup. 



Fig. 8. Leda minuta, Riviere-du-Loup. 



Fig. 9. L^eda {Portlandia) glacialis, Montreal. 



Fig. 10. Nucula expanse, Riviere-du-Loup. 



Fig. II. Leda (Vo/dia) limaiuia, Riviere-du-Loup. 



