PLATE VI. 



Page 



Fig. 1. Perna orientalis 59 



1 a. Left side view of specimen with valves united, "i 



1 h. 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 specimen.s. "i 



36. Exterior view of lower valves of same. >• Natural size. 



3 c. Exterior view of separate lower valve. ) 



Fig. 4. Leda decussata 56 



Enlarged two diameters. 



4a. Ritiht side view. ) . 



4 b. Dorsal view of same specimen, j 



4 c. Same as last. Natural size. 



Fig. 5. Nucula (CucuUella?) Palaestina 55 



5 a. Left side view. ) 



5 6. 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. 



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



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



5 a. Ri"ht side view of cast, artificially striiiped of test. ) _ , , ,. 



, -^ , . r \ .-11 L Enlarged two diameters. 



5h. Dorsal view ot same cast. ) 



5 i. Ventral view of same cast. Natural size. 



Fig. 6. Pholadomya depacta . . •. 41 



6 a. Left side view of cast. ) ,t . , . 



„ 1 T^ 1 • e t C Natural size. 



6 b. Dorsal view ot same cast. ) 



Fig. 7. Liopistha Libanotica 39 



7 a. Right side view of cast. ) 



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

 7 c. Anterior view of same cast. } 



Fig. 8. Ceromya sinuata .............. 40 



ia. 



Right side view of cast. 

 8 6. Anterior view of same cast. Y Natural size. 

 8 c. Right side view of smaller cast. 



