PLATE XLII. 
VELOPECTEN (continued). 
Fies. 
1—4. V. Studeri (Pict. and Roux). (P. 218.) 
1. Gault, Folkestone. Wiltshire Collection, Woodwardian Museum. Left valve. 
2. Gault (Bed xi), Folkestone. Museum of Practical Geology, No. 1612. Left 
valve. 
3. Cambridge Greensand (derived). Internal cast in phosphate. Woodwardian 
Museum. Imperfect left valve. 
4. Red Limestone, Hunstanton. Woodwardian Museum. a, antero-ventral por- 
tion of left valve of a large specimen ; 6, portion of the same x 4. 
Or 
V. trilineavis (Seel.). Cambridge Greensand (derived). Woodwardian 
Museum. The type. a, left valve; >, part of the same near the 
ventral margin X 3. (P. 219.) 
or) 
V. pectinatus (Seel.). Cambridge Greensand. Woodwardian Museum. 
The type. a, part of left valve ; b, portion of the same xX 3. (P. 220.) 
7,8. V.sp. Gault, Folkestone. Wiltshire Collection, Woodwardian Museum. 
7, left valve. 8, portion of another left valve x 4. (P. 220.) 
9,10. Pecten Nilssoni, Goldf. Upper Chalk. Mr. R. M. Brydone’s Collection. 
(Pp. 152, 226.) 
9. Trimingham. Portion of left valve. 
10. A. quadratus zone, Hampshire. Right valve. 
11. Pectuneulus Vaughani, Woods. Greensand, Blackdown. Woodwardian 
Museum (Coll. Mr. A. Vaughan). Left valve. (P. 224.) 
