Bate NAT OU RAIGTS T. 
During the next few months it is hoped to insert the following articles :— 
Report on the Erosion of the Yorkshire Coast.—Rev. E. Maute Cots, M.A., 
F.G.S. 
The Yorkshire Derwent and its Fishes.—Husert Dacre. 
Are = Same Species of Birds more Aearslaaes in North than in South 
d Mid Europe ?—Joun P. Tuo 
Leaves from a Conchologist’s Note-Book,—W. Netson, M.C.S. 
Wew Yorkshire Earth-Worms.—Rev. Hivperic Frienp, F.L.S. 
Observations on the White Wagtail.—Otiver V. Artin, M.B.0.U-. 
Just Published. Crown 8vo, Cloth limp, 370 ~p., 55.3 Net, 3s. 9d.; By Post, as. 
THROUGH AIREDALE 
"ROM sade sven cy Ive ee A. 
HNNIE GRAY (H. SPEIGHT), 
— = the Yi es Naturalists’ Union; the Bradford Naturalists’ Society; &c. 
Author of ‘A Tourist’s Vie nd ee nd,’ ‘Pleasant Walks service agate &c. 
This kas original eek, a large proportion o ich i 
type, embraces Historical, Descriptive, aa Na a Hisaey: okies ery the Sale of the Aire 
valley, with complete Itineraries of the paren? to to 20 miles around the principal places. 
The work also contains exhaustive introductery chapters on the 
EOLOGY, BOTANY, ORNITHOLOGY, FOLK-LORE, 
and ANGLING in AIREDA 
SEVENTY ILLUSTRATIONS AND MAP. 
LEEDS: WALKER & LayYcocK. BRADFORD: T. Brear & Co. LTp. 
MADAGASCAR! 
My Price List of NATURAL HISTORY — is at the service 
of all the world, gratis and _ post-free. considerably reduced. 
Correspondence in French and German moe, sat understood). 
F. SIKORA, 
Naturalist, Membre de la Société Entomologique de France et de la 
Société Entomologique de Zurich, 
Annanarivo, Madagascar, +i Marseille. 
THE BRITISH NOCTUA AND THEIR VARIETIES, 
By J. W. TUTT, F.E.S. 
VOLUME I., PRICE 8s. 6d. NET. 
Published by Swan, Sonnenschein & Co., Paternoster Square, W.C. 
This Volume has already been largely subscribed for r by many of our leading 
ritish, North-American, Australian, and Continental Lepidopterists. 
