The NATURALIST. 



Authors' Reprints. — 15 copies of the Naturalist are given to authors 

 of papers exceeding 3 pages. Reprints may be had at the following rates, if the 

 order is given on returning proof: 50 copies, 4 pp. 4/6; 8 pp. 5/6 ; 12 pp. 7/-; 

 16 pp. 8/6; 100 copies, 4 pp. 7/- ; 8 pp. 8/6 ; 12 pp. 11/- ; 16 pp. 13/6; 200 copies, 

 4 pp. 9/6; 8 pp. 11/-; 12 pp. 16/-; 16 pp. 18/-. Covers charged extra — Plain 

 Covers, 50 copies, -/9 ; 100 copies, 1/6 ; 200 copies, 2/6 ; Printed Covers, 50 

 copies, 2/- ; 100 copies, 3/- ; 200 copies, 4/6. 



BOOKS RECEIVED. 



J. W. Fawcett. — The Birds of Durham, 8vo, sewn, pp. 20, Consett, 1890. [Author. 

 Holmesdale Nat. Hist. Club.— Proc. for 1888 and 1889, 8vo, 70 pp. , 1890. [Club. 

 Egon Ihne. — Phanologische Karten von Finland. — 4to reprint, 2 pp. and maps, 

 1890. [The Author. 



Watson Bot. Exch. Club.— Sixth Ann. Rep., 1889- 1890. [The Club. 



Philadelphia Acad, of Nat. Sci. — Proc, 1890, part i, Jan.-March. [The Academy. 

 Psyche: journ. of entom.. Vol. 5, No. 171, July 1890. [Camb. Ent, CI., U.S.A. 

 Naturoe Novitates, 1890, Nos. 13-16, July-August. [Friedlander & Sohn, pubs. 

 Essex Naturalist, Vol. iv, Nos. 4-6, April-June, 1890. [Essex Field Club. 



Nat. Hist. Journ., No. 123, Sep. 15, 1890. [J. E. Clark & others, Editors, York. 

 Grevillea, quarterly record of Cryptog. Bot. , No. 89, Sep. 1 890. [Dr. M. C. Cooke, ed. 

 Die Schwalbe, Jahrg. 14, Nr. 15 & 16, Aug. 31 &Sep. 15, 1890. [Orn.Vereins inWien. 

 Science Gossip, No. 309, for Sep. 1890. [Messrs. Chatto & Windus, publishers. 

 The Young Naturalist, Part 129, for Sep. 1890. [Mr. John E. Robson, editor. 

 The Zoologist, 3rd Series, Vol. 14, No. 165, Sep. 1890. [J. E. Harting, editor. 

 Entomologists' Rec. & Jn. of Variation, No. 6, Sep. 1890. [J. W. Tutt, editor. 

 The Midland Naturalist, No. 153, September 1890. [Birmingham Nat. Hist. Soc. 

 Manchester Geological Soc. — Trans., vol. 20, parts 20 & 21, 1890. [The Society. 



For Sale. — Talbot's Birds of Wakefield, 2s. 6d. Address, Eds. Naturalist. 



Now ready, %vo. cloth, price 6/-, post free. 



LIST of YORKSHIRE LEPIDOPTERA, 



By G. T. PORRITT, F.L.S. 



Contains copious records of the localities, &c., of the 1,340 species of macro- 

 and micro-lepidoptera known to inhabit the county ; particulars of local variation 

 in species ; with all other necessary information on the subject. 



To be had only from the Hon. Secretaries of the Yorkshire Naturalists' Union, 

 WM. DENISON ROEBUCK, Sunny Bank, Leeds ; 

 E. PONSONBY KNUBLEY, Staveley Rectory, Leeds. 



Improved Egg Drills (2 sizes) and Metal Blowpipe with instructions 1/3 free. 

 ' Hints on Egg Collecting and Nesting,' illustrated, 3^d. free. Birds' Skins, 

 Eggs (side-blown and in clutches with date), Lepidoptera, Ova, Larvte, and Pupae, 

 Artificial Eyes, and all kinds of Naturalists' Requisites. Lists, one stamp. All 

 specimens, &c., sent out 'on approval.' 



d. & W. DAVIS (Naturalists), DARTFORD, Kent. 



The cheapest dealer in Birds, Skins, Eggs, Butterflies, Moths, Foreign Shells, 

 etc., is John Eggleston, Park Place, Sunderland. Lists free. 



