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probably live to see it a rare bird, even in the districts
where it it is now abundant - and then you will
have reason to be glad that you placed its history
on record, so far as practicable - it is very rare now
in New Jersey and I have never seen it, at large -
I wish I had known that the 17 year locust
was in your country last year - I think there are
two distinct species, both of whuch appear here at
the same time - one of them much smaller than the
other and with a note very different, being a sort
of click[underlined], click[underlined], not loud nor prolonged like that
of the larger species. - I saw them both here in
great abundance in 1834 and 1851 - the smaller has
been described under the name of Cicada Cassinii.
- I noticed in 1851 that the twigs in which eggs are
deposited do not always die, - but in young trees
they frequently do die - I saw in Chester county
in this state, a large extent of young Chestnut trees
which were covered with dead twigs - at the ends
of nearly all the limbs, - these dead twigs fall off
during the winter and are not to be seen during the
succeeding spring -
This is a most curious insect and has not been
studied as it ought to be, - it very probably has some
geological history, appearing as it does in different