Thymo-Plas 
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harbutt’s Plasticine ltd. 
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The Birds of Yorkshire 
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Two volumes. Demy 8vo, 901 pages, including over 200 
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The Scottish Naturalist 
With which is incorporated “ The Annals of Scottish Natural History.” 
A Monthly Magazine devoted to Zoology. 
Edited by James Ritchie, M.A., D.Sc., F.R.S.E., Keeper Natural History 
Dept. Royal Scottish Museum ; William Evans, F.R.S.E., Member of the 
British Ornithologists' Union ; and Percy H. Grimshaw, F.R.S.E., F.E.S., 
Assistant-Keeper, Natural History Dept., Royal Scottish Museum. Assisted by 
Evelyn V. Baxter, H.M.B.O.U. ; Leonora J. Rintoul, H.M.B.O.U. ; Hugh S. 
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