Geological Papers. 



185 



PLATE II. 



Fig. 14. Saxidomus gibbosus Gabb ; a cast. 



Fig. 15. Tellina albaria Conrad. 



Fig. 16. Tellina arctata Conrad ; a cast. 



Fig. 16a. Outline of another specimen of the same species. 



Fig. 17. Tellina arctata ; var. juana n. var. 



Fig. 18. Tellina clallamensis n. s. ; a cast. 



Fig. 19a. Mactra gibbsana Meek ; hinge view of cast. 



Fig. 196. Same specimen as 19o; side view. 



