520 NON-MARINE FOSSIL MOLLUSC A. 



PLATE 17. L ARAM IE. 

 Uxio DAN^E Meek & Ilaydcn. (Page 431.) 



FIG. 1. Left, side view. 



FIG. 2. Dorsal view of tlie same example. 



FIG. 3. Right side view of another example. After Meek. - 



Uxio DEWEYANUS M. & II. (Page 431.) 



FIG. 4. Left side view. 



FIG. 5. Interior view of the same. After Meek. 



CORBICULA OCCIDENTALS M. & II. (Page 437.) 



FIG. G. Left side view of the type of C. btinnisteri Meek. 

 FIG. 7. Dorsal view of the same; natural size. 



(For other figures of C. occidental is, see Plate XXIII.) 



SriLEitiUM TLAXUM M. & IT. (Page 439.) 



FIG. 8. Exterior view of a left valve and outline of a dorsal view of the same; 

 natural size. After Meek. 



SPUJERIUM RECTICARDINALE M. & H. (Page 439.) 



FIG. 9. Exterior view of a leffc valve and outline of a dorsal view of the same; 

 natural size. After Meek. 



SPILERIUM SUBELLIPTICUM M. & II. (Page 439.) 



FIG. 10. Exterior view of the left valve, natural size, together with the same much 

 enlarged. After Meek. 



SPII^RIUM FORMOSUM M. & II. (Page 439.) 



FIG. 11. Exterior view of the right side, natural size, together with side and dorsal 

 views of the same much enlarged. After Meek. 



