74 THE ESSEX NATURALIST
Map 5
Table 3
Parishes unoccupied by Grey Squirrels in 1971 (from MAFF survey)
Squirrels—amongst others, Shorten (1946) has noted that such habitat is
unsuitable for squirrels.
Discussion
A number of interesting points arise when considering the history of
squirrels in Essex, and each of these will be considered in turn: