Record

StorageSite	UCL Special Collections
Level	Item
Reference Number	PEARSON/11/1/2/65
Title	Birbel, G L
Date	Oct-Nov 1921
Description	Letters from Birbel regarding measurements of lepidoptera, enclosing tabulated data taken from the collection at the Hill museum, and discussing the correlation between the variation in the form of a given organ and its metrical indices [tables no longer enclosed]; and enclosing a letter from Dr Sharp regarding the difficulties in accurately measuring areas of chitinisation. Accompanying the letters are Pearson's notes on lepidoptera measurement and correlations; 2 ff.
Extent	2 letters plus enclosed letters and 2 folios of notes
AccessStatus	Open
AccessConditions	The papers are available subject to the usual conditions of access to Archives and Manuscripts material, after the completion of a Reader's Undertaking.

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