Rigel dyes Ce) 
17 millimeters. 
Ashmunella 
Ckll., the Less- Wrinkled 
Snail, occurs abundantly at 
Clouderoft in 
yon, Otero Co., 
This form lacks the parietal 
tooth. 
Ashmunella 
Dall, Ashmun’s Snail. Three 
much enlarged views of 
the pretty little shell are 
given in Figure 118. The 
diameter is 14mm. The horn- 
colored whorls are crossed 
by very many fine, incised 
lines. From 
Mexico, at an elevation of 
8,000 feet above the level of 
the sea. 
AIR-BREATHERS 141 
Ashmunella rhyssa, Dall, the 
Wrinkled Snail, is shown in ig- 
ure 117. The shell consists of six 
rounded, yellowish whorls, which 
are crossed by very numerous 
wrinkles. The reflected peristome 
is white, and immediately behind 
it the shell is considerably con- 
stricted. It was collected in the 
White Mountains of New Mexico 
by Rev. E. H. Ashmun. Diameter 
hyporhyssa. 
James Can- 
New Mexico. 
ashmunti, 
Bland, New 
Fig. 118, x 7 (*) 
Ashmunélla pseudodonta, 
