Journal de Conchyliologie, 1914. 



PI. I 



/ 



1-2. Crassatella cuneata Lamarck x i '/■-' 



3. Amphidesma glabrella Lamarck x i i/'2 



4-5. Crassatella erycinaea Lamarck x i '/o 



-7-8. Crassatella cydadea Lamarck x 1 '/î 



9. Crassatella glabrata Lamarck x i 1/2 



10. Crassatella striata Lamarck x i '/^ 



