Fig. 
ily daz 
16. 
le, ld. 
le. 
lf, ly. 
Py PATE 
26. 
By Be 
36. 
PLATE XII. 
Patella rugosa, p. 89, variety with large coste. 
magnified portion of the surface of figs. 1, La. 
variety with fine costz. 
magnified portion of the surface of figs. le, 1d. 
the young shell. 
Patella paradoxa, p. 90. 
magnified portion of the surface. 
Patella sulcata, p. 90. 
magnified portion of the surface. 
4, 4a, c,d. Patella cingulata, p. 88. 
4. 
DY 
5b. 
6, 6a. 
64. 
he (ae 
Th. 
te, Td. 
8, 8a. 
8b. 
9, 9a. 
10, 10a. 
aks Wala 
125 
12a. 
13, 13a. 
magnified portion of the surface. 
Patella striatula, y. 91. 
magnified portion of the surface. 
Patella Roemeri, p. 91. 
magnified portion of the surface. 
Patella Aubentonensis, p. 91. 
magnified portion of the surface. 
the young shell. 
Patella arachnoidea, p. 92. 
portion of the surface magnified. 
Patella suprajurensis, py. 92. 
Patella nana, p. 93. 
Patella inornata, p. 93. 
Umbrella? Hamptonensis, p. 95. 
the surface magnified three times. 
Deslongchampsia Eugencei, p. 94, magnified twice. 
