280 
OT, 
108. 
i109; 
110. 
talale 
2 
las 
WEST AMERICAN ‘SHELEES 
L. dehiscens, Conr., Arnold, p. 116. 
Genus, timatula, Wood 
L. subauriculata, Mtg., Nautilus XVIII, p. 
19. British Columbia; also dredged at 
Catalina Island. 
Sub-order, anomracea 
Family, ANOMIIDAE 
Genus, anomia, Linn. 
A. lampe, Gray, described in this book. 
Genus, wmonia, Gray 
M. macroschisma, Desh., Figure 24. 
Sub-order, ostraczea 
Family, OSTREIDAE 
Genus, ostrea, Linn. 
O. lurida, Cpr., described in this book. 
var. expansa, Cpr., described in this book. 
O. virgimana, Lister, described in this book. 
Order, tTELEODESMACEA 
Sub-order, carprracea 
Family, CARDITIDAE 
Genus, caraita, Bruguiere 
C. subquadrata, Cpr., Figure 25. 
Genus, Calyptogena, Dall 
C. pacijica; Wall, U. S..N. Moxa, pays: 
Genus, venericaraia, Jam. 
V. alaskana, Dall, U.S. N. M. XXVI, p. 951. 
V. barbarensis, Stearns, U. S. N. M. XIII, 
p. 214. Arnold, p. 128. 
V. borealis, Conr., U.S. N. M: XT op: 25: 
Nautilus X, p. 20. 
