246 Bulletin 31 ^46 



PLATE 45 

 Figure Page 



I. Meretrix texacola, war., 31mm 142 



Mosley's Ferry, Brazos River. Tex. State Museum. Show- 

 ing abnormally developed surface markings. 



2, 3. M. texacola, var. tornadonis, n. var., 38 mm 142 



From the South Fork of Hurricane Bayou, Houston Co., 

 Tex. State Museum specimen. 



4. M.nuttali Conrad, 44 mm. (Copy). Claiborne 143 



Type in Phila. Acad. Coll. 

 5-7. M. nuttali, var., 67 mm. Claiborne 143 



8. The same, left valve, 60 mm. Claiborne. 



