FL^VTii; 39. 



Pago. 



Fig. 1. Liopistiia (Cymella) undata 23(5 



l,a. An imperfect Cast of a left valve of type-specimen. 



1, b. A .smaller specimen of the same. 



Fig. 2. Vanikoropsis Tuomeyana 330 



2, a. The imperfect typo-specimen. [The inner lip should be continued above, and the aper- 



ture probably restored larger.] 

 2, 6. Surface-markings, magnified. 

 Fig. 3. Lunatia subcrassa 31G 



3, a. An aperture view of the type-specimen, with the outer lip partly broken. 

 3, b. An opposite view of a larger specimen. 



3, e. An aperture view of last. [The inner lip was hidden by the ruck above the middle of 

 the aperture.] 



Fig. 4. Tellina equilateralis ? i;ir, 



An internal cast probably of this specii s, showing the muscular and pal Hal impressions. 

 [The pallial sinus is represented too much contracted behind in this figure. 



Fig. 5. Teixina equilateralis (type) i;i ; 



5,0. An imperfect specimen, left side. 



5^%. The larger imperfect type-specimen, same view. 



5, c. Right view of a small specimen. 



Fig. 6. Thracia gracilis 224 



6, a. A left-side view of one of the smaller specimens. 

 6, b. A right-side view of the larger type-specimen. 



Fig. 7. Mactra (Ctmbophora ?) Formosa 207 



A right-side view of an entire specimen. 

 Fig. 8. Pholadomya subventhicosa 217 



8, a. A left-side view of an imperfect cast, which is the type-specimen. 

 6, /». A dorsal view of same. 



Fig. 9. Glycimehis occidentalis 2i>0 



9, a. A side view of I he type-specimen, which is an imperfect east. 

 1), b. A dorsal view of same. 



Fig. 10. Baculites asper? 404 



10,(i. A septate fragment, consisting of an internal cast, retaining a part of the shell. 



10, b. A fragment of an internal cast of the non-septate part of a similar shell, probably be- 



longing to a distinct species. 

 10, c. A section of tin- last. 

 10, d. One nf tin.' septa of the typical specimon represented by fig. 10, a. 



