434. 
WEST AMERICAN SHELLS 
Genus, vitrina, Draparnaud 
V. pfeifferi, Newcomb, Nautilus V, p. 91; 
Xow. G4: 
V. exilis, Morel, Nautilus XII, p. 109. 
Genus, Zonites, Montfort 
Z. cellarius, Muller, Nautilus V, p. 56. 
Z. whitneyi, Newe., Pro. Phila. Acad., 1889, 
Oe USE 
Z. limatulus, Ward, 
Z. minusculus, Binney, Nautilus XTV, p. 85. 
Z. milium, Morse, 
Z. chersinellus, Dall, p. 198. 
Z. selenitoides, Pilsbry, Nautilus ITI, p. 95. 
Z. fulvus, Draparnaud, 
Z draparnaldi, Beck, Science N.8., Vol. XI, 
No. 278. 
. lucidus, Drap., Nautilus IX, p. 101. 
. johnson, Dall, Nautilus LX, p. 101. 
. shepardi, Hemphill, Nautilus V, p. 182. 
. diegoensis, Hemphill, Nautilus V, p. 132. 
Genus, Zonitoiaes, [Lehm. 
. arboreus, Say, Nautilus XIII, p. 36. 
. pugetensis, Dall, U. S. N. M. XXIV, p. 
500; Nautilus VIII, p. 130. 
Z. randolphi, Pilsbry, Nautilus XII, pp. 87 
and 110. 
Z. neomexicanus, Ckll. & Pils., Nautilus 
XIII, p. 114. 
Genus, pristiloma, Ancey 
P. lansingi, Bland, Nautilus V, p. 92; IX, 
pa cle 
N NNNN 
IN 
