Titt NATURA LIST. 
During the next few months it is hotbed to insert the fallowitng articles:— 
Report on Yorkshire Botany for 1890.—C. P. Hosxir«, F.L.S., and P. F. Lee. 
Report on the Erosion of the Yorkshire Coast.—Rev. E. Maute Cote, M.A., 
F.G.S. 
Occurrence of Snow Goose in Northumberland.—Grorce Boram. 
Lincolnshire Naturalists at Gibraltar P Point.—J. Burtt Davy. = ° 
Bird- and Fish-Notes from Whitby.—TxHomas Ste PHENSON. 
Avifauna of Arkengarthdale, Swaledale and the New Forest.—J. E. Tinkier. 
Wotes on Polyzoa found at Cleethorpes.—Grorce R. VINE. 
Supplementary List of Plants of Langstrothdale.—Rev.T. B. Woopp, B.A., LL.B. 
The Yorkshire Derwent and its Fishes.—Hvusert Dacre. 
Testacella scutulum at Headingley, Leeds.--Epvcar R. Waite, F.L.S. 
Wote on the Metamorphosed Skiddaw Slates.—Pror. H. Rosensucn. 
Notes on the Long-Eared Bat in Captivity.—M. L. Tompson. 
Further Remarks on the a Habits of Land and Freshwater 
Molluses.—W. E. Cottine 
Now ready, Sve. cloth, price 6[-, post free 
LIST of YORKSHIRE LEPIDOPTERA, 
— T. PORRITT, F.L.S. 
Contains copious aes the nhs &c., of the 1,340 species of macro- 
and micro- on known to inhabit the county ; patil of local variation 
in species ; with all o necessary info rmation on the subje 
To be had only ace the Hon. Secretaries of the Yorkshire ‘Naturalists Union, 
B 
N R CK k, 
PONSONBY S's aS Sta aveley ectony, PS, ; 
EDG AR R. WAITE, The , Leeds. e 
E INTERNAT 
JOURNAL OF MlcROSCOPY AND “NATURAL SCIENCE 
Fait tor—. Hon. Sec. 
Published Quarterly, Price One Shilling “& Sixpence. 
Contains . number of valuabl e and os articles relating to Microscopy and the allied 
Sciences, written by Specialists, and illustrated with Lithographic Plates and Wood Engravings. 
i BAILLIERE, TINDALL & COX, 20, King William St., Strand, W.0. 
: oe e H. KELLY, Castle Street, City Road. 
_ New York: THE SCIENCE CO. 47, Lafayette Place. 
Crown Seo, Cloth limp, 370 pp., 5s-; Net, 35. 9@.; By Post, 4s. 
THROUGH AIREDALE: 
From GOOLE ro MATLHAM. 
- By [OREN GRAY (H. SpercHt), 
Mentor of the Yorkshire Natura Union; the Bradford Naturalists Society ; &e. 
soaecha lene ces of o Tra : Piensa Sa 6 areond _ dford,” &c. 
