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Sent From (Definite): Charles Howard UsherSent To (Definite): Karl PearsonDate: 9 Oct 1920
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Holder (Definite): University College London: Special Collections
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Sent from Charles Howard Usher
9 Oct 1920
Description:
‘Dear Pearson,
Thank you for the schedules. I have filled them up and am now returning them. They chiefly concern as you say “war dogs.”
I shall keep in mind knee joints for sesamoid[?] bones.
Now as regards Toldt. This is a bad time for me to begin something fresh because from now to Christmas time I shall have a class of students three days a week & this gives me a lot of extra work. I read a paper by Toldt jun. K. (Wein) when examining stoats skins. It is entitled Über Hautzeichung bei dicht behaarten Sängstieren etc. Zoologische Jahrbücher abteilung für systematik geographic und Biologie der Tiere, Bd. 35, dritter Heft, Jena, 1913, pp. 271-350. I have some extracts from the paper. Has he published more about it since that time?
He refers to the pigment pattern seen on different skins. Some are due to pigment in the hair, others to pigment in the dermis & others to pigment in the epidermis. Surely our dog skins would be worthless for microscopical examination now!
Yours sincerely
C.H. Usher.’
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Sent to Karl Pearson
9 Oct 1920
Description:
‘Dear Pearson,
Thank you for the schedules. I have filled them up and am now returning them. They chiefly concern as you say “war dogs.”
I shall keep in mind knee joints for sesamoid[?] bones.
Now as regards Toldt. This is a bad time for me to begin something fresh because from now to Christmas time I shall have a class of students three days a week & this gives me a lot of extra work. I read a paper by Toldt jun. K. (Wein) when examining stoats skins. It is entitled Über Hautzeichung bei dicht behaarten Sängstieren etc. Zoologische Jahrbücher abteilung für systematik geographic und Biologie der Tiere, Bd. 35, dritter Heft, Jena, 1913, pp. 271-350. I have some extracts from the paper. Has he published more about it since that time?
He refers to the pigment pattern seen on different skins. Some are due to pigment in the hair, others to pigment in the dermis & others to pigment in the epidermis. Surely our dog skins would be worthless for microscopical examination now!
Yours sincerely
C.H. Usher.’