26o Bulletin 31 260 



PLATE 59 



Figure Page 



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



103 mm., Aldrich Coll. 



2. Solen lisbonensis hX^.^'^'iyViWYi.,, Lisbon 195 



3. Cn I tel I u s conradi Qossmann, 7 mm., Claiborne 195 



4. Si/iqua siinondsi Har., 2T, mm., Brazos Co. , Tex 196 



Jackson Eocene ? 



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



6-10. Pholadomya claibonumsis Aldrich 197 



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

 Coll. Lisbon. 

 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. 



n, 12. G astro chcsna larva Qonr 2lA, Claiborne 197 



Fig. 11,4.4 mm. (Copy ; these Bulletins, vol i, pi. 6, fig. 

 12, Aid. CoU. 

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

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



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



Aldrich Coll. 



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



16. Teredo simplex Lea : Claiborne. (Cop)') 199 



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

 Coll. Claiborne. 



