294 
323. 
324. 
O30. 
WEST AMERICAN SHELLS 
P. sulcata, Dall, Nautilus XVII, p. 122. 
Family, LYONSIDAE 
Genus, tayonsia, ‘Turton 
L. cahfornica, U.S. N. M. VIII, p. 546. 
Genus, tionsiena, M. Sars 
L. alaskana, Dall, U.S. N. M. XVII, p. 703. 
Genus, mMytilimeria, Conrad 
M. nuttallu, Conrad, Arnold, p. 126. 
Genus, xEntodesma, Philippi 
E. inflata, Conrad, described in this book. 
I’. saxicola, Baird, described in this book. 
Family, VERTICORDIIDAE 
Genus, verticordia, S. Wood 
V. novemcostata, Adams & Reeve, Arnold, 
p. 126. 
V. ornata, Dall & Bartsch, San Pedro, teste 
Oldroyd. 
Family, PANDORIDAE 
Genus, clidiophora, Carpenter 
C. punctata, Cpr., U. S. N. M. XV, p. 183: 
Genus, xennerlia, Carpenter 
K. filosa, Cpr., Arnold, p. 124. 
K. grandis, Dall, B. C. Bull. 1, p. 44. 
K. bicarinata, Cpr., Arnold, p. 123. 
Sub-order, apEsmacea 
Family, PHOLADIDAE 
Genus, pnholas, Linne 
P. pacifica, Stearns, Pro. Cal. Acad. Sci., 
Apr, sia: 
Genus, pholadidea, ‘Turton 
