NOTES AND QUERIES. 33 



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, migra- 

 tion, nidifieation, variation, vernacular nomenclature, &c. All assistance 

 will be duly and gratefully acknowledged. Mr. Nelson is now actively at 

 work on the families Turdidce and Sylviidce, which are to be included in the 

 next instalment sent to press. Communications may be addressed to T. H. 

 Nelson, The Cliffe, Bedcar. 



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 Gkabham, J. 

 Backhouse. 



2ooL 4th 8er. vol. V., Jctnicary, K'Ol. 



