Occasional Papers of the Museum of Zoology 3 



wood Beach in October, 1917, and was presented to the 

 Museum by Preston Sweet. The species was not noted by 

 the Museum collectors. 



Mus musculus musculus. House Mouse. — So common that 

 it is a nuisance. 



Peromyscus leucopus noveboracensis. Northern White- 

 footed Deer Mouse. — A nuisance about the resorts, where it 

 does much damage. 



Peromyscus maniculatus bairdii. Prairie White-footed 

 Mouse. — A pair was found in July, 1917, at Birchwood Beach 

 under a pile of driftwood, where they had built a nest of fine 

 grass. 



Microtus ochroga^ter. Prairie Vole. — Rare. So far as 

 known the first specimen to be taken in the State was cap- 

 tured by the writer in May, 1918, in a small meadow near 

 Birchwood Beach. The species was taken at Warren Woods 

 by Dice in 19 19. 



Fiber zibethicus zibethicus. Muskrat. — Only occurs occa- 

 sionally on the lake beaches, but it is more common on the 

 ponds and streams back of the dunes. At the south pond it 

 was observed in May, 1918, and numbers had been trapped 

 there the winter before. There were a few about the north 

 pond in 1920. 



Sylvilagus floridamis mearnsii. Mearns' Cottontail. — A com- 

 mon species at Birchwood Beach. Several young were seen 

 after May 15, 1918, and a few were noted at Warren Woods 

 in 1919 and at Warren Dunes in 1920. 



Procyon lotor lotor. Raccoon. — Occurs only in the heavy 

 forests. Tracks were noted along the Galien River in May, 



