TABLE VII. Average number of nutria diggings per hundred feet 
on the transects 
Dec. Feb. Apr. Dec. Mar. June Aug. 
Transect 1954 1955 1955 1955 1956 1956 1956 
A win’ “aaatane 6.2 3.5 1.9 1.5 263 
B 0.9 0.8 0.9 le@ 0.6 0.5 2.6 
Cc 8.3* 10.2% 1.9 5el 0.6 0.7 1.2 
D 1.3 bie 2.1 4.6 4.7 3.3 2.5 
EB 520% Se ee 3.4 5.4 3.2 ew ee 3-2 
* Partially estimated 
ho 
