247 St. Maurice and Claiborne Pelecypoda 247 



platp: 46 



Figure Page 



I, 2. Mcrctrix cornelli Harris* 59 mm. ; Claiborne 144 



Notice narrowness of lunule and lack of in-rolling of beak 

 in comparison with fig. 6, pi. 45. 



3-5. Meretrix pouhoni Conrad, Claiborne 144 



Fig, 3, 44 mm. 



4 a, 5, 48 mm. 



6. "■Vefius vespertina'' Qon. Copy of type specimen, 12 mm 144 



Type probably lost. Western Texas. 



7. Mere^-Lr sudcrassa hea., 2g mm. ; Claiborne 149 



Copy from Lea's figure. Phila. Acad. 



8. 3Ieretrix ''discoi'dah's" Conrad, 25 mm. (Copy). Phila. Acad. 146 

 9, 10. Af. trig'oniata, var. winnensts, n. var, Winn Parish, La 147 



Fig. 9, 32 mm. 



10,17 " Trigonal with strongly developed radiating 

 lines, margin crenulate. 

 11-13. The same, very much inflated, smooth form. 

 Fig. II, 29 mm. 

 13, 26 " 



