1887] +) Boology. a 
basal side, and with strize very fine, so that the shell is somewhat 
glabrous. Largest, 214-18 mm., and of nearly six whorls. On 
Polygyra leporina Gld. In Sebastian County, where I found 
three specimens of this and of two other species of Poly. gyra. 
Bulimulus dealbatus Say. . In Carroll and Crawford Counties, . 
Zonites. Of arboreus I got specimens in Carroll, Garland, and 
Hot Springs Counties; of ivdentatus, in Carroll and Benton 
Counties; of /riadilis, in Carroll and Garland Counties; of de- 
missus, in Garland County; of gularis, in Hot Springs County ; 
and of digera, in Jackson County. ; 
Pupa. I found fallax, armifera, and contracta in Carroll, and 
the latter in Benton County. 
In addition to the foregoing, the following land shells occur 
in Carroll County: Patula solitaria Say; Triodopsis fallax Say, 
variety minor ; Strobila labyrinthica Say; Macrocyclis concava Say; 
Succinea ovalis Gld.; S. verrilli Bld. (?); Helicina orbiculata Say ; 
Pomatiopsis lapidaria Say; Tebenophorus carolinensis Bosc; and 
Limax campestris Binn. 
Of fresh-water shells, I found an abundance of some species, 
especially in Carroll County. Mr. C. F. Ancey, of France, has 
described Physa albofilata from Eureka Springs. I gathered the 
same species in Washington County. Physa heterostropha and 
P. gyrina were found in Carroll, and the latter in Benton, Wash- 
ington, and Hot Springs Counties. Limnea humilis was found 
in Carroll County and LZ. columella in Washington and Hot 
