PLATE II. 



Page. 

 PlG. 1. BaCULITES axcki's .' V.\Q 



1 a. Side view. 



1 b. An antisiphona] view. 



l c. A section of same. 



1 </. A septum of same. 



1 p. A more slender, less compressed individual, with rounded nodes instead of transverse costro. 



1/. An antisiphona! view of same. 



1.7. Aii enlarged septum of tin; same. 



1 It. Transverse section of the same. 

 PlG. •>. ]>.w ti.itks ANCEP8, after D'Orhi^ny, for comparison 

 •J a. Transverse section. 

 'J /'. A septum. 



Fig. :;. Puionocyclos 1 Ma com m 132 



:'. a. Side view. 



:'. /». Aii antisiplional view. 



'■'><■■ A septum of the same, enlarged. 



3rf. Aii antisiphonal view of a very small specimen. 



PlG. 1. Acr.KiiN in 1 i.i;c ai.ai.'IS |.„, 



I a. \'iew showiog the aperture, which is imperfect in the specimen figured. 



1 b. A hack view of the same specimen. 

 •1 1: surface-stihe, enlarged. 



In;. •"). Ax< muA ? Nbwbekrvi .go 



Fig. 6. Cardium bellulum 10 o 



<i a. Side view. 



('■>!>. Anterior view (the left valve being restored . 



PlG. 7. Ckassa] i:m.a SniM.\i:m ,.,.. 



... . . i~< 



i a. \ tew ot a specimen, with the lower part of the valves imperfect. 



7 b. Cardinal \iew of the same. 



? c. An internal cast of a larger specimen. 



FlG.a A\ UNDETERMINED BIVALVE, from the same rock as fig. 7. 



