459. 
460. 
461. 
462. 
465. 
464. 
465. 
466. 
467. 
468. 
469. 
WEST AMERICAN SHELLS 
H. camelus, Pils. & Van., Nautilus XI, p. 44. 
Genus, Binneya, J. G. Cooper 
B. notabilis, J. G. C., Pro. Phila. Acad. Sei., 
iisioe) jo JM) 
Genus, vatuia, Held 
P. solitaria, Say, Pro. Phila. Acad. Sei, 
1889, p. 199. 
P. pauper, Gould, Nautilus XII, p. 24. 
P. hornu, Gabb, Pro. Phila. Acad. Sci., 1889, 
p. 200. 
ee Gee Bland, Pro. Phila. Acad. as 
1889, p. 200. 
P. lineata, Say, Pro. Phila. Acad. Sci., 1889, 
p- 200. 
P. (Acanthinula) harpa, Say, U. S. N. M. 
EXE pe 219: 
Genus, punctum, Morse 
P. conspectum, Nautilus XI, p. 1383; XVI, p. 
133% 
var. pasadenae, Pilsbry, Nautilus X, p. 21. 
P. pygmaeum, Drap., Nautilus XVI, p. 58. 
P. clappi, Pilsbry, Nautilus XI, p. 133. 
P. californicum, Pilsbry, Nautilus XJ, p. 134. 
P. minutissimum, Lea, Nautilus V, p. 92. 
Genus, welix, Linne 
H. aspersa, Mull, Nautilus XV, p. 119. 
Genus, Epiphragmophora, Doring 
E. fidelis, Gray, Nautilus XIII, p. 25. 
E. infumata, Gould, Nautilus XIII, p. 26. 
E. arrosa, Gould, Pro. Phila. Acad. Sci., 
1889, p. 201. 
