12. 
13 a—e. 
14 a—e. 
15. 
16 a—e 
PLATE A. 
Scrobiculabra Condamini, p. 21. Dulwich. 
. Cyrena cordata, p. 4. Dulwich. 
»  cuneiformis, p. 5. Charlton. 
»  strigosa, y. 5. Charlton. 
»  Forbesii, p. 6. Charlton. 
Unio Michaudi, p. 1. Dulwich. 
Cyrena tumida, py. 9. Dulwich. 
» © intermedia, p. 7. Charlton. 
trigona, p. 8. Dulwich. 
» crassa? p. 38. Peckham. 
P pullastra, p. 8. Dulwich. 
anceps, p. 9. Dulwich. 
tellinella, » 10. Charlton. 
»  ? Edwards, p. 1. Dulwich. 
. Scrobiculabra Dulwichiensis, y. 21. 
»  Dulwichiensis, p. 6. Dulwich. 
Dulwich. 
