1913] 
Graenicher, Wisconsin Craivfishes. 
119 
Co. (Ironton), Rock Co. (Beloit), and in the Fox River. The 
Lake Superior record (Hagen) is considered doubtful by Dr. 
Ortmann. 
C. gracilis Bundy. Dr. P. R. Hoy of Racine found this species 
in the prairie region of Racine Co., and its range, as given by Dr. 
Ortmann is from “eastern Kansas through Missouri to Illinois, 
Iowa, and southern Wisconsin.” There are fifteen specimens, 
males and females, in the collection of the Public Museum of Mil¬ 
waukee, which were taken on July i, 1910, from a swamp at St. 
Francis in Milwaukee Co., a short distance south of the city limits 
of Milwaukee. 
C. blandingi acutus Girard. From a southern center of distri¬ 
bution the typical blandingi has migrated northeastward along the 
Atlantic coastal plain, while the form acutus has taken a north¬ 
ward course up the Mississippi Valley (Ortmann). In Wisconsin 
it has been previously reported from Racine and Sauk Cos. 
Pearse 3 found it in southwestern Michigan; from Minnesota there 
is, so far as our knowledge goes, no published record. 
Specimens are on hand from the following localities: Pond in 
Mitchell’s woods, Milwaukee Co., April 2, 1910, and April 13, 
1910. Pond in Johnson’s woods, Town of Wauwatosa, April 11, 
191 j. 
Creek running through the prairie about a mile east of Cor¬ 
liss, Racine Co., May 15, 1910 (males and females). 
Slough connected with the Mississippi River at Fountain City, 
Buffalo Co., August 15, 1910. 
A male was taken, together with specimens of C. virilis and 
C. propinquus on Oct. 9th, 1910, from a creek west of Wauwa¬ 
tosa, a tributary of the Menomonee River. 
It is a species belonging to both the Lake Michigan and the- 
Mississippi drainage, and is found in various kinds of habitats. 
The pond in Mitchell’s woods, referred to above, is a permanent 
one, and belongs to the type of pond mentioned by Williamson 4 , 
as being the favorite haunt of this species. The pond in Johnson’s 
3) A. S. Pearse. The crawfishes of Michigan. Mich. Geol. & Biol. Surv., 
Biol. Ser. Publ. 1, pp. 9-22, PI. I.-VIII. (1910.) 
4) E. B. Williamson. Notes on the crawfishes of Wells County, Ind., 
with description of a new species. 3V Ann. R-p. Dept. Geol. & 
Nat. Res. Ind. Ind., pp. 749-763, PI. 35. (1907.) 
