p. 4

859
-1018-

1856.

[With many thanks for your kindness I remain,

Yours truly,
I.A. Lapham].

--------------------

I.A. Lapham, Esq.

Dear Sir--

I am very much obliged to you for your kind response to my request. The information you give me on the turtles you have observed is very valuable and welcome. I had indeed not seen the catalogue of Dr. Sager nor the observations of Mr. Kennicott.

I am much indebted to you for the abstract you send me. I would indeed highly value the two living specimens of E. picta you offer me.***

Very respectfully yours,

L. Agassiz.

Cambridge, Mass., Feb. 27, 1856.

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Milwaukee, Feb., 1856.

Hon. Charles Mason,

Commissioner of Patents,

Dear Sir,--

As I have transferred my meteorological labors to Dr. Winkler of this city, I will hand the blanks sent me to him. He will forward observations monthly as heretofore. I send a table showing the length of our winters--the times were noted by me each year for twenty years. I also send a list of the first arrivals of vessels "from below", i.e. from the lower lakes. The