PjJRT IV. NOW REJT)Y. 
A MONOGRAPH OF THE PETRELS. 
By F. DU CANE GODMAN, D.C.L., F.R.S. The 
Petrels, Shearwaters and Albatroses will be fully dealt with, and 
the work will contain over 100 Hand-Coloured Plates, drawn 
and coloured with the utmost care. Large Royal 4to (10 by 13). 
Printed on Rag Paper. In Five Quarterly Parts. Only 225 
copies will be issued, and each will be numbered. The Sub¬ 
scription price of each part is £2. 5s., and the Complete Work 
may be paid for in advance at the reduced price of £ 10. 1 Os* 
The Price will be raised on completion of the work. Full 
Prospectus on Application. 
PJ1RT V. NOW REjmY. 
DIE VOGEL DER PALAARKTISCHEN 
FAUNA, von ERNST HARTERT. Large 8vo. 
Complete in about 12 Parts. Price 4s. each. For the 
convenience of British Ornithologists, Messrs. Witherby & Co. 
have made arrangements to publish in England this well-known 
German work. 
It is the only work which treats of the local races of all Palaearctic 
Birds in a concise form. 
It is based on the examination of very large material. 
Most of the descriptions are original. 
In the synonyms each quotation has been verified, and the original 
locality of the species has been added. 
Special attention has been paid to Geographical distribution. 
B.O.C. MIGRATION REPORTS. By the Com¬ 
mittee appointed by the British Ornithologists’ Club. The 
Immigrations of Our Summer Resident Birds in the Springs of 
1905 (published 1906), 1906 (published 1907) and 1907 
(now ready) are detailed. The facts are concisely tabulated and 
are derived from very large material gathered by observers in all 
parts of the country. Many Maps. 6s. each Volume. 
London : WITHERBY & CO., 326, High Holborn, W.C. 
