THE SMALL MAMMALS OF ESSEX
55
S. H. to carry out the trapping study at his Sewardstone nursery.
Col. and Mrs P. V. Upton were especially helpful to D. C. during
his long-term work on their estate at Coptfold.
We wish to thank Miss M. Wise, Mr D. Hunford and Mr
H. G. Hurrell for permission to quote from their unpublished
work. Mr R. A. D. Cowlin drew the original of the Essex map
on which the distribution records are plotted and also assisted
greatly by reading and commenting upon earlier drafts of this
paper. Mr S. Dalton kindly allowed us to use his photograph
which adorns this paper.
While the authors of this paper accept joint responsibility
for any errors of fact or interpretation contained in it, we wish
to point out that the detailed section on Harvest Mice is largely
the work of S. H. while the initial preparation of most of the
rest of the paper was by D. C.
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