PRE NATURALISTS: 
During the next few months it is hoped to insert the following articles :— 
Report on Yorkshire Botany for 1890.—C. P. Hozxrrk, F.L.S., and P. F, Ler. 
Report on the Erosion of the Yorkshire Coast.—Rev. E. Maute Core, M A 
Lincolnshire Naturalists at Gibraltar Point.—J. Burtr Davy. 
Avifauna of Arkengarthdale, Swaledale and the New Forest.—J. E. Tinkter. 
The Yorkshire Derwent and its Fishes.—Husertr Dacre. 
Wote on the Metamorphosed Skiddaw Slates.—Pror. H. Rosensucn. 
wide o Pessina on the Burrowing Habits of Land and Freshwater 
W. E. CoLLince. 
THE BRITISH NOCTUA AND THEIR VARIETIES, 
By J. W. TUTT, FES. 
VOLUME 1., PRICE Bs. 6a. NEE. 
Published by Swan, Sonnenschein & Co., Paternoster Square, W.C. 
This Volume has already been largely subscribed for by many ies our leading 
are North oe Australian, and Continental Lepidopteris 
It ted that any entom ney = can do so, and ee “hive not yet 
sabebribeds ‘will er in theie names to the author, 
J. W. sree Westcombe Hill, 8.E. 
Just Published. Crown 8vo, Cloth, 2s. 
PHOTOGRAPHY “2 MICROSCOPE, 
By F. W. MILLS, 
Member of the Camera Club, the Hu webiste # — aphic Soctety, the Postal 
Microscopical Soc 
WITH A CHAPTER ON MOUNTIN G OBJECTS, 
By T, CHARTERS WHITE, M.R.C.S., F.R.M.S., 
Author of “An Elementary Manual of Microscopical Manipulation. 
ILLUSTRATED. 
Lonpon . ae Itirre & Son, 3, St. Bride Street, Ludgate Circus. 
MELROURNE ne .» W. Watson & Sons, 251, Swanston Street. 
EW YORK ‘ ANTHONY & Co., 591, Broadway. 
in farts, at One Shilling, Sve, with Engravings. 
An Illustrated Manual of British Birds 
By HOWARD SAUNDERS, F.L.S., F.Z.S., etc., 
Editor of the oS anid 4th Volumes of YVarrell's * History of British Birds.’ 
Fourth Edition. 
To be completed in about 20 monthly parts. 
‘PROSPECTUS om APPLICATION. 
SURNEY & JACKSON (Successors to Mr. VAN aouse), 1, Paternoster nid! 
