PLATE VI. 



FIG. Names of the shells. 



1. Aslarte mutabilis .... 



2. Mactra ponder osa .... 



3 a. Anomia striata (upper valve) 

 b. (inside of 



upper valve) .... 



d. (thickened 

 portion of lower valve) . 



e. (lower valve 

 with opening) . . . 



f. (upper valve 

 showing early part plain, 

 afterwards striated) . . 



4 a. Pectunculus pilosus, var. in- 



subricus) . . . . 

 b. Inside lining of ditto . . . 



5 a. Pectunculus glycimeris . 



b. var. 

 nummarius 



6 a. Thracia papyracea }\w . (villo- 



siuscula ?) 



b. juv. . . 



7. P kolas intermedia . . . . 

 8 a. Area tetragona .... 



b. 



9 a. Mytilus edulis, var. gallo- 



provincialis 



b. var. ungu- 



latus 



PAGE 



Localities from which the specimens figured 

 were obtained, 



46 Cor. Crag, near Orford. 



47 Red Crag, Waldringfield. 

 41 Cor. Crag, near Orford. 



41 Cor. Crag, Sutton. 



41 Cor. Crag, near Orford. 



41 Cor. Crag, Sutton. 



41 Cor. Crag, Sutton. 



43 Cor. Crag, Ramsholt. 



43 Cor. Crag, Sutton. 



43 Cor. Crag, Sutton. 



43 Cor. Crag, Sutton. 



47 Chillesford bed at Sudbourn Church Walks. 



47 Chillesford bed at Sudbourn Church Walks. 



48 Cor. Crag, Gedgrave. 



44 Cor. Crag, Sutton. 



44 Cor. Crag, Sutton. The specimen to which 

 the names A.puetta and A. nodulosa have 

 been assigned. 



42 Red Crag, Sutton. 



43 Cor. Crag ? Boyton. 



