Figs. 



I, 



2. 



Figs. 



3. 



4- 



Figs. 



5- 



-8. 



Figs. 



9> 



lO. 



Figs. 



1 1, 



12. 



PLATE m. 



Pteria triangularis sp. nov. Holotype from St. i66. Natural size. 



Pteria tomlini sp. nov. Holotype from St. 299. X 2. 



Pinctada anomioides (Reeve). Two shells from St. 53. Natural size. 



Pinctada scheepmakeri (Dunker). A shell from St. 50. Natural size. 



Pinctada scheepmakeri (Dunker). Inner views of the two valves. Natural size. 

 Figs. 13 — 18. J/a//^?^j-(ila;^»«(?;«2«« (Reeve). A séries "of shells of différent âges from St. 93 and 81,240. Natural size. 

 Figs. 19, 20. Spondylus serraticosta sp. nov. Holotype from St. 260. Natural size. 

 Figs. 21, 22. Dimya lima Bartsch. Outer and inner views of a valve from St. 256. Natural size. 

 Figs. 23, 24. Lima [Lima) lima (Linn.). A young shell from St. 93. Natural size. 



Figs. 25 — 28. Lima [Lima) lischkei Lamy. Two shells from St. 260 and St. 240 respectively. Natural size. 

 Figs. 29 — 31. Lima [Lima) tomlini sp. nov. Holotype from St. 251. Figs. 29, 30 are natural size, and figure 31 



is enlarged three times to show the characteristic sculpture. 

 Figs. 32, 33. Lima [Limaria) orientalis Adams & Reeve. A shell from St. 261. Natural size. 

 Figs. 34, 35. Lima angulata Sowerby. A shell from Panama. Natural size. 

 Fig. 36. Lima [Limaria) fenestrata sp. nov. A valve of the Holotype from St. 316. Natural size. 



