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6 revisions
mdierks at Apr 29, 2020 12:25 PM
mdierksmdierksmdierksMiaKayla KoerberArchives & Special CollectionsArchives & Special Collections

611

as gathered mud and all, upon a piece of
paper - put this into a dish and cover about 1/8 to
1/4 of an inch deep with water, 1/4 exposed to the
light they will crawl out of the mud and
form a circle of rays on the paper -, and by the
way they make excellent objects to compare micrometers
with, as they vary in size less than the [?].
I have been able in this way to get the small
difference which exists between Mr. [?] micrometer
and mine.

I am now thoroughly satisfied that Iowa will
[?] to future collectors the most varied Alga
harvest. I have found so many species in my [?]
area that I am sure the whole state must be richer
there.

Yours Truly
[C.?] [N.?] [Hobby?]

611

As gathered need and all, whou a hues of paper - put this into a dish and cover about 1/8 to 1/4 of an inch deep with water, 1/4 [?] to [?] - they will crawl out of the weed and form a circle of [?] on the paper - and by the way they wake