PLATE XLVIII. 



Inoceeamus {continued). 



Figs. 



1. /. tennis, Mant. Red Limestone, near Louth. Sedgwick Museum, 

 Cambridge, a, left valve; b, dorsal view. (P. 271.) 



2, 3. I. Grippsi, Mant. Upper Greensand (zone of Peden asper), Warminster. 

 (P. 273.) 



2. Museum of Practical Geology, No. 18898. a, right valve ; h, dorsal view. 



3. High variety. Sedgwick Museum. Eight valve. 



4, 5. /. Grippsl var. reacheiisis, Eth. Lower Chalk (zone of Holaster 



suhglohosus), Blue Bell Hill, Burham. 4, British Museum, No. 



L10386. Left valve. 5, Mr. Dibley's Collection. Right valve. 

 (P. 278.) 



