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than our original egg layer which was probably due to
the food not always being fresh and green (it was a dry
summer and the lower branches only had very tough leaves
by the end of August), (5) Most people are unobservant
and take no notice of lunatics picking a handful of leaves
from road-side trees - not even when they stop their cars
on a busy road to do it (6) It took 11 months from egg to
moth so it seems surprising that any survive under natural
conditions, (7) If the caterpillars were unattractive to
birds as food lime trees would be leafless by late Augusti
No doubt we made many mistakes and perhaps the biggest
was bringing that moth indoors in the first place.
Insect Behaviour Study Group
K. Mardle of the Amateur Entomologists' Society writes
inviting Club members interested to participate in the
activities of the Group, There will be a number of projects
organised and a thrice yearly newsletter. Details from
K. Mardle, Basement Flat 9/10 65 Ridge Road, Hornsey, London
N8 9NP.
Borehole Data, in Havering.
The Club has received two books containing details of all
boreholes put down in the London Borough of Havering up to
June 1971. They contain copies of the borehole logs with
geological lithologies etc. with large scale maps showing
their exact location.
These will be available from the Secretary of the Geology
Group at 63 Cromer Road, London Road, Romford, Essex.
British Birds.
The new pavilion of British Birds at the Natural History
Museum, London was opened earlier this year. Over 200 birds
are displayed in realistic settings or with backgrounds
indicating their normal environment, together with the songs
of 50 bird species. (from Habitat).