1145. 
1144. 
1145. 
1146. 
1147. 
1148. 
1149. 
1150. 
EST Ol SEE CRES 339 
F. merrimani, Pils. & Beecher, Nautilus V, 
p. 148. 
F. columbiana, Hempl., Nautilus XII, p. 
ae 
F. erythropoma, Pilsbry, Nautilus XII, p. 
125. | 
Genus, tryonia, Stimpson 
T. clathrata, Stimp., Nautilus XII, p. 122. 
Genus, amnicoia, Gld. & Hald. 
A. cincinnatensis, Anth., Nautilus XII, p. 
yee 
A. limosa, Say, Nautilus XII, p. 122. 
A.micrococcus, Pilsbry, Nautilus XII, p. 
1A 
Genus, pyrgulopsis, Call and Pilsbry 
P.navadensis, Stearns, Pro. Davenport 
Acad. Nat. Sci. 1886, Vol. V, p. 10. 
Genus, Pomatiopsis, Tryon 
P. binneyi, Tryon, Nautilus XII, p. 123. 
P. californica, Pilsbry, Nautilus XII, p. 
126: 
Genus, vaivata, Muller 
V. sincera, Say, Nautilus IX, p. 102. 
V. utahensis, Call, Nautilus XV, p. 125. 
V. virens, Tryon, Nautilus XIII, p. 67. 
Family, ASSIMINEIDAE 
Genus, assiminea, Leach 
. californica, Cooper, Nautilus V, p. 97. 
. subrotundata, Cpr., B. C. Bull. 1, p. 63. 
Genus, Paludinella, Lowe 
ba Aa 
