PLEIOCENE FOSSILS. 



PLATE XXIII. 



TELLOIDJl.-MACTRIDiE.-SOLEIID^. 



TELLINID^E. 



FfG. 1. LAVIGNON TELLINOIDES. Interior and exterior, natural size. Page 92. 



2. SINODESMIA OARINATA. Interior and exterior, natural size. Page 93. 



" 3. AMPHIDESMA EQUALIS. Exterior, natural size. Page 93. 



" 4. AMPHIDESMA ORBIGULATA. Interior and exterior, natural size. Page 9. 



" 5. AMPHIDESMA ^EQUATA. Imperfect specimen, natural size. Page 95. 



" 6. DONAX VARIABILIS. Natural size. Page 95. 



Fig. 7 



MA0TRIDJ1. 



MACTRA OBLONGATA. Natural size. Page 96. 



MACTRA SIMILIS. Natural size. Page 97. 



MACTRA LATERALIS. Interior and exterior, natural size. Page 97. 



MACTRA CONGESTA. Natural size. Page 98. 



GNATHODON GRAYII. Natural size. Page 99. 



SOLENIDJ. 



Fig. 12. SOLECURTUS CARIB(EUS. Exterior of shell. Page 99. 

 " 13. Interior of the same, natural size. 



