PLATE XXV. 



Fig. i. ~\Arca {Cucullaria} tceniata Dall, inner and outer view of left valve; Ion. 52 

 Fig. i a. J mm. ; p. 631. 



\ Coralliophaga elegans Dall ; Ballast Point silex beds ; Ion. 19 mm. 

 Fig. 2 a. J 



Fig. 3. Sportella lancea H. C. Lea ; Caloosahatchie beds ; Ion. 10 mm. 

 Fig. 3 a. Sportella compressa H. C. Lea; Caloosahatchie beds ; 7.2mm. 

 Fig. 4. Sportella constricta Conrad ; Caloosahatchie beds ; right valve ; 9 mm. 

 Fig. 4 a. Sportclla constricta Conrad, left valve ; 9 mm. 

 Fig. 5. Unio caloosaensis Dall, profile ; 45 mm. ; p. 688. 



Fig. 6. Bornia lioica Dall; Caloosahatchie beds ; Ion. 9.5 mm. 



Fig. 7. Leda multilincata Conrad, valve in profile showing teeth ; 20 mm. ; p. 588. 



Fig. 8. Bornia Mazyckii .Dall ; Caloosahatchie beds ; 11.5 mm. 



Fig. 9. Lucina {Here) ainabilis Dall ; Caloosahatchie beds ; interior of right valve- 

 showing sunken lunule ; alt. 1 5. 5 mm. 



Fig. 9 a. Lucina {Here} ainabilis Dall, front view ; alt. 15.5 mm. 



Fig. 10. Psammobia {Gobreeus} IVagneri Dall ; Caloosahatchie beds ; 77 mm. 



Fig. II. Leda multilincata Conrad ; 20 mm; p. 588. 



Fig. 1 1 b. Leda multilincata Conrad, from above, in profile ; 20 mm. ; 



Fig. 12. Scintilla Kurtsii Dall ; Caloosahatchie beds; Ion. 8.25 mm. 



Fig. I2b. Unio caloosaensis Dall, viewed from above ; 57 mm. ; p. 688. 



920 



