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[June?] 5th Dr. Moon has returned, & by him your packet has come
safely & quickly. I give you many thanks. Persoon I am glad to see indeed.
The Carices are very valuable. So indeed are the others but I spoke of them
especially, as I have looked so much for the genus here, & [could?] [crossed out: ?] make
little progress on some yet undetermined. A few difficulties are now [removed?] by
some of these. By the way, whose names does [Crafstions?] follow? Those of
Persoon generally, but I am not certain always about them or, rather the
contrary in one instance, besides those ascribed to late Europ. authors. I can
send you another lobster  & more if I can catch them. I have some
grand butterflies but only single specimens, &, I can hardly spare
them yet. They thicken around me, but [really?] I have no time to
attend to them. I fear I shall collect but few bugs for you this season
I can get a few common ones in abundance - but others, not well.
In cases like that of the common apple[?] worm, you want I suppose
the moth, hatched from the worm, & not the bug which lays the
eggs for the worms, of which the female is wingless. What is the
name of the common lightning bug? I should like some of your [crusta
ua?] - but I feel the want of shells, [?] as far as may be with
the petrifactions. This is now an interesting study, as geology is regarded 
tho' I see the [Prest.?] of the Eng. Geol. Soc. has made some [rude?] attacks, & I sus
pect, not harmless ones, on the old [hypotheses?]. I have written of the Phila [Philadelphia]
works you mention. You did not send two kinds of Trimolite from Kingsbridge.

Your friend C. D.

Wms Town [NJ?]
June 6

Dr. John Torrey
New York

Chester Dewey 
June 2nd & 5th. 1820
Recd. June 17th
(Contains a Catalogue of
mosses to sent to him)]
        