NOTES AND QUERIES.
be pleased to enlist the co-operation of those who have it in their power to assist him with notes on Yorkshire birds, their history, distribution, migration, nidification, variation, vernacular nomenclature, &c. All assistance will be duly and gratefully acknowledged. Mr. Nelson is now actively at work on the families Turdidæ and Sylviidæ, which are to be included in the next instalment sent to press. Communications may be addressed to T.H. Nelson, The Cliffe, Redcar.
We beg to announce that for several years past we have been working upon the subject of the "Birds of Yorkshire," and hope at an early date to publish the result of our labours in book form.—Oxley Grabham, J. Backhouse.
Zool. 4th ser. vol. V., January, 1901.