PLATE 12. 



Page. 

 Fig. 1. Inocekamus subl^evis 58 



1, a. Left view of a young specimen, retaining only the inner pearly layer. 

 1, /). A dorsal view of same. 



Fig. .. Inoceramus proximus, car. subcikculakis 55 



.;, a. A left view of a specimen, retaining the inner pearly layer (type of the rar.). 

 •2, b. A dorsal view of the same. 



Fie;. 3. Inocekamus Cripsii, var. Barabini 49 



A right-side view of a small specimen. 



Fig. 4. Inoceramus incurvus 01 



4, a. A dorsal view of the ty^e-specimeu, with the opposite (but imperfect) valves lying to- 

 gether and retaining portions of the inner layer. 



4, b. A somewhat different view of same. 



Fig. 5. Inocekamus convexus 51 



5. u. Side view of an imperfect left valve, retaining portions of inner layer. 

 5, b. A dorsal view of same. (Both copies of the original figures.) 



Fin. 0. Inoceramus tenuilineatus 57 



View of an imperfect cast of the left valve, retaining portions of inner laminae. (From 

 original type-figure.) 



Fig. 7. Inoceramus proximus 53 



7, a. View of an imperfect cast of a right valve, retaining portions of inner lamina.'. 

 7, b. An outline dorsal view of same, to show its compressed form. 



