26o Bulletin 31 260 



PLATE 59 

 Figure Page 



1. Panopea porredoides Aldi. , Baker's Bluff ; Ferr. sand 194 



103 mm. , Aldrich Coll. 



2. Soleu lisbonensis Aid., St, mm.,, Ivisbon 195 



3. Cultellus conradi Cos&mSinn, 7 mm., Claiborne 195 



4. St/igua St /Hondsi Har., 2T, mm., Brazos Co. , Tex 196 



Jackson Eocene ? 



5. Martesia texaria Har., 9 mm., Alto, Tex. ; Tex. Mus 196 



6-10. Pholadomya daibornensis Aldrich 197 



Fig. 6, 40 mm., copy of Aldrich's original figure. Aid. 

 Coll. Ivisbon. 

 7, 8, base of Claiborne Bluff. Natural size. 

 9, natural size ; No. 452, Tex. State Mus. Coll. Lewis' 

 house, two miles east of Alto, Cherokee Co. 



II, 12. Gasti-ochcsna larva Conrad, Claiborne 197 



Fig. II, 4.4 mm. (Copy ; these Bulletins, vol i, pi. 6, fig. 

 12, Aid. Coll. 

 12, 7 mm. ; copy of Conrad's original figure, Amer. 

 Jour. Sci., vol. I, 1846, pi. I, fig. 5. 



13. Xylophaga mississippiensis Meyer, 7 mm. ; Newton 198 



Aldrich Coll. 



14, 15. Gastrochczna s^., after Meyer, 11 mm. ; Claiborne 190 



16. Teredo simplex Lea : Claiborne. (Copy) 199 



17, a. Teredo simplexopsis de Gregorio ; natural size ; de Gregorio 

 Coll. Claiborne. 



