1158. 
D9: 
1160. 
1161. 
1162. 
1163. 
1164. 
1165. 
1166. 
HIGT: 
1168. 
1169. 
WEST AMERICAN SHELLS 
P. newcombiana, Hempl., described in this 
book. 
Genus, Truncatella, Risso 
T. californica, Pfr., described in this book. 
T. stimpsom, Stearns, U. S. N. M. VIII, p. 
541. 
Family, PALUDINIDAE 
Genus, paindina, Lamarck 
P. japonica, Mart., Nautilus V, p. 114. 
Genus, vivipara, Montfort 
V. stelmaphora, Bgt., Nautilus XV, p. 91. 
Family, CALYPTRAEFIDAE 
Genus, crucibulum, Schumacher 
C. spinosum, Sby., Figure 243. 
C.imbricatum, Brod., U. S. N. M. XV, p. 
203. 
Genus, calyptraea, Lamarck 
C. mamillaris, Brod., described in this book. 
Genus, crepiauia, Lamarck 
C. aculeata, Gmel., Arnold, p. 308. 
C. adunca, Sby., Figure 244. 
C. dorsata, Brod., S. I. No. 252, p. 140. 
C. navicelloides, Nutt., S. I. No. 252, p. 140. 
C. onyx, Sby., S. I. No. 252, p. 140. 
C. rugosa, Nutt., S. I. No. 252, p. 140. 
C. navicelloides, Nutt., Figure 245. 
C. convexa, var. glauca, Say, Nautilus XIII, 
Dace 
C. excavata, Brod., U.S. N. M. XV, p. 203. 
C. explanata, Gould, U. S. N. M. XV, p. 203. 
C. grandis, Midd., Arnold, p. 309. 
