V Aspen Swamp 
2 peroayacus moniulatus bairdi 
10 p. leucopus noveboracensis        Not checked in 1939 
1 Blue jay 
VI Nettle Marsh 
5 Microtus pennsylvanicus            3 r-icrotus penn ylvanicus 
1 --romyscus anieulatus bairdi      1PNrouscus maniculatua bairdi 
2&Mus nuisculus 
5 Song sparrows                      2 Song sparrows 
VII Brush Gras  Mrsh 
1 Zapus hudsoniu- 
1 Blarima 
2 Sorex cinreus                     I Sorex cinereus 
1 XMas musculus 
1 Swamp sparrow 
*(Rice KLispiea used in 1938 instead of rolled oats.) 
Te above summry shows: 
1, A definite increase in Kicrotus. 
2. About the sa   list of species. 
3. A similar distribution. 
The comparitive abundance of species for the entire aa i indicated by 
the total catch.# 
13 Microtus                          26 Microtus 
29 Peromyscus (12 man. : 17 leu.)    25 Peromyscus (18   n. : 7 leu.) 
3 Sorex                              I Sorex 
I Blarina                            I Blarina 
1 ZAPUS                              2 apus 
3 mua 
3 Tamias                             4 Tamias 
3 Glauaomys                          2 Glaucomys 
1  Cite                                       .  ... 
#(Aspen plot not included) 
)                                       july 1939 
#, S. F   ey