PLATE VI. 



Page 



Fig. 1. Perna orientalis .59 



1 a. Left side view of specimen with valves united. ^ 



1 b. Front view of same specimen. > Natural size. 



1 c. Interior view of a separate left valve. ) 



Fig. 2. Perna tetragona 60 



Interior view of separate right valve. Natural size. 



Fig. 3. Ostrea alicula 62 



3 a. Exterior view of upper valves of two adhering specimens. ) 



3i. Exterior view of lower valves of same. > Natural size. 



3 c. Exterior view of separate lower valve. ) 



Fig. 4. Leda decussata ... ........ 56 



4(1. Right side view. 



4 b. Dorsal view of same specimen. 



4 c. Same as last. Natural size. 



Fig. 5. Nucula (Cucullella ? ) Palaestina 55 



5 a. Left side view. ) 



5 b. Ventral view of same specimen. > Enlarged two diameters. 



5 c. Dorsal view of same specimen. ) 



5 d. Left side view of another specimen. Natural size. 



be. Left side view of a third specimen, to show variations. Natural size. 



5/. Ventral view of first specimen. Natural size. 



5(7. Right side view of cast, artificially stripped of test. ) , , 



, _ , . „ S Enlarged two diameters. 



5ft. Dorsal view ot same cast. ) 



;>i. Ventral view of same cast. Natural size. 



Fig. 6. Pholadomya depacta 41 



6 a. Left side view of cast. 



>• Enlarged two diameters. 



| Nat 



, Natural size. 



6 0. Dorsal view ol same cast. 



Fig. 7. Liopistha Libanotica 39 



7 a. Right side view of cast. ) 



7 6. Dorsal view of same cast. V Natural size. 



7 c. Anterior view of same cast. ) 



Fig. 8. Ceromya sinuata ' 40 



8 a. Right side view of cast. 



8 6. Anterior view of same cast. ^- Natural size. 

 8 c. Right side view of smaller cast. 



