310 
602. 
603. 
604. 
605. 
606. 
607. 
608. 
609. 
610. 
611. 
612. 
613. 
614. 
615. 
618. 
619. 
WEST AMERICAN SHELLS 
P. syngenes, Pilsbry, Nautilus V, p. 39; VI, 
p. 4:51V; p23: 
P. gabbii, Dall, Pro. Phila. Acad. Sci., 1889, 
p. 206. 
P. hordeacea, Gabb, Nautilus VI, p. 4. 
P. pilsbryana, Sterki, Nautilus VI. p. 4; 
Xp. 16; XV FS: 
P. decora, Gould, Nautilus XII, pp. 109 and 
ne 
P. corpulenta, Morse, Nautilus V, p. 92. 
P. procera, Gould, U. 8. N. M. XIX, p. 367; 
Nautilus XIV, p. 86. 
P. rowellii, Newcomb, Pro. Phila. Acad. Sci., 
1889, p. 206; Nautilus VI, p. 9. 
P. californica, Rowell, Nautilus IV, p. 8; 
TV, pal8s XGIVe p. 124° 
P. calamitosa, Pilsbry, Nautilus III, p. 61; 
Vale oo: 
P. edentula, var. alticola, Ing., Pro. Phila. 
Acad. Sci., 1889, p. 207. 
P. sterkiana, Pilsbry, Nautilus VI, p. 4. 
P. arizonensis, Gabb, Nautilus III, p. 118. 
P. clementina, Sterki, Nautilus IV, p. 44; 
XIV, p. 124; V1, p.5. 
P. dalliana, Sterki, Nautilus IV, p. 19; XII, 
Dele 
P. holzingert, Sterki, Nautilus III, p. 119; 
XPV." 86: 
P. hemphilli, Sterki, Nautilus IV, p. 27. 
P. blandi, Morse, Nautilus XIV, p. 85. 
Genus, pupina, Leach 
