Intermediate forms connecting strigosa & rie 
with Hemphilli. 
subangled. 
dentate. 
Patula Hemphill, Newe. var 
b 
’ 
’ 
] 
? 
) 
) 
? 
? 
? 
’ 
’ 
> 
2". we, we A 
att Gabb. 
banded. 
small. 
passing into Haydeni. 
var Utahensis 8, keeled, smooth. 
small. 
var Oquirthensis, revolving ribs. 
depressed, 
» small. 
small. 
‘var Gabbiana. Ribs nearly obsolete. 
small. 
The following varieties of Idahoensis have more 
tian double the number of ribs or plicate striee than 
ihe typical form,and are the most beautifull of our 
American snails. 
43 Patula Tdahoensis, var Wassatchensis. 
~ 
ed 
Ie ee 
wo we 66S. Ue Ow oe we 
i var. 
? with chestnut bands. 
? bandless. 
» depressed, 
small. 
‘ bandless, 
5 small. 
; medium banded. 
: bandless. 
, intermediate. 
: ‘ small. 
, elevated. 
, dentate. 
, very small banded. 
> >» 5 bandless. ' 
$ 
’ 
