252 Bulletin 31 252 



PLATE 51 



Figure Page 



1-5. Tellina raveneli Conrad, base Claiborne. Bluff 167 



Figs. I, a, 34 mm. 



2, larger, imperfect form, but showing characteristic 

 dorsal outline. 



3, 40 mm., somewhat more elliptical outline. 



4, hinge showing strong, short lateral. 



5, 40 mm. ; cast of interior showing pallial line, sinus 

 and muscular scars. 



6, 7. 3TacoiHa silliniaiii Conrsid, Claiborne sand, 42 mm 169 



8, 9. DTaconia danai, n. sp. , 52 mm. ; Claiborne sand 169 



