6 " * ' TH^E WO-LLUSCA OF MUSCATINE COUNTY. 



" ^epWted? frpjp t *UKS. pegion, and these were found on Geneva 



Island by F. Kaufmann, jun. Greatest diara., 9; least, 8; 

 height, 3.4 mm. 



H. striatella, ANTHONY. Quite rare. Railroad one mile north of 

 Muscatine ; in sandy loam. Greatest diam., 5.6; least, 5; 

 height, 2 mm. 



H, labyrinthica, SAY. Rare. In nearly all of our groves ; some- 

 what more common near Des Moines, lo. Greatest diam., 

 2.6 ; least, 2.4 ; height, 1.6 mm. 



H. hirsuta, SAY. Common. Along railroad north of Muscatine ; 

 foot of bluff above Drury's Landing; Des Moines, lo. ; 

 collects in considerable numbers in hibernation. Greatest 

 diam., 9 ; least, 8 ; height, 4.6 mm. 



H, monodon, RACKETT. Very rare. Dead shells found occasion- 

 ally. Not so rare near Des Moines. Greatest diam., 10.75 ; 

 least, 9.1 ; height, 5.6 mm. 



Var. leaii, WARD. Abundant along railroad north of Mus- 

 catine ; found along foot of bluff above Drury's Landing. It 

 seems to hibernate in holes made by burrowing animals. 

 Greatest diam., 8.4 ; least, 7.4 ; height, 4.6 mm. 



H. albolabris, SAY. Very rare near Muscatine, not more than 

 four live shells having been found in the past three }'ears ; 

 very abundant near Des Moines, along with clausa, profunda, 

 and alternata. The Iowa albolabris is a more delicate shell, 

 and nearer white than the same species from Ohio and east- 

 ward. It is often of a pink shade. Greatest diam., 27; 

 least, 24 ; height, 15.2 mm. 



H. multilineata, SAY. Very abundant on Geneva and adjacent 

 islands, two miles east of Muscatine ; rare at Gooseberry 

 Point, nearly opposite the city of Muscatine ; but those found 

 at this place are nearty all without bands (alba) , or the bands 

 are so crowded as to render it difficult to separate them, giv- 

 ing the shell a strong tinge of red (rubra) . One specimen of 

 the variety alba measures as follows: greatest diam., 26; 

 least, 23 ; height, 19.4 mm., being unusually high. A banded 

 example from Geneva : greatest diam., 30 ; least, 25 ; height, 

 15.6 mm. And a banded specimen found near this city 

 measures as follows: greatest diam., 17.8; least, 15.6; 

 height, 12 mm. 



