The NATURALIST. 



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

 of papers exceeding 3 pages. Reprints may he 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 ; 12pp.il/-; 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, -/g ; 100 copies, 1/6 ; 200 copies, 2/6 ; Printed Covers, 50 

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



BOOKS RECEIVED. 



Smithsonian Institution. — Annual Reports, 1886 (part 2) and 1887 (in two parts). 



?>vo, cloth, 1889. [The Institution. 



Dr. Angust Otto. — Zur Geschichte der altesten Plaustiere. Svo. 1890, 78 pages. 



[The Publishers. 

 Leeds Geological Association. - Transactions, Part 5, 1S89. [The Association. 



Die Schwalbe, Jahrg. 14, Nr. 13 & 14, Juli 31 & Aug. 15. i8go. [Orn.Vereins in Wien. 

 Science Gossip, No. 308, for Aug. 1890. [Messrs. Chatto & Windus, publishers. 

 The Young Naturalist, Part 128, for Aug. 1890. [Mr. lohn V.. Robson, editor. 

 The Zoologist, 3rd Series, Vol. 14, No. 164, Aug. 1890. [J. E. Harting, editor. 

 Entomologists' Rec. & Jn. of Variation, No, 5, Aug. 1890. [J. W. Tutl, editor. 

 Notarisia, Ann. 5, No. 19, 30 Giugno, 1890. [D. Levi-Morenos, Redattore. 



Revue Bryologique, 17'- Annee, 1890, No. 4. [M. T. Husnot, redacteur, Cahan. 

 The Midland Naturalist, No. 1 51-2, July- Aug. 1890. [Birmingham Nat. Hist. Soc. 

 Nuova Notarisia, i Agosto, 1890. [Dr. G. B. de Toni, redattore, Padova. 



Records of the Australian Museum, Vol. i, No. 3, July 1890. [The Trustees. 



S. L. Mosley.— Hist, of Brit. Birds, Nests and Eggs, No. 65, Aug. 1890. [Author. 



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



In Preparation. 



A MonooTa])h of the Land and Fresh -Water Mollusca 

 of the British Fauna. 



The work is intended to l)e full, detailed, and exhaustive, and adequately 

 illustrative of Variation, Development, and Geographical Distribution. 



Co-operation is invited from all interested, and any information or specimens 

 (the common species of every district are particularly desired) will be welcomed 

 and carefully acknowledged. The Authors may be addressed — c/o Mr. John W. 

 T.WLOR, Oftice of the Journal of Conchology, Sovereign Street, Leeds. 



Information is at present specially required on the 'irAwgi^Testacdla, Limax, and 

 Arioit), of which living specimens from every district are desired. 



Improved Egg Drills (2 sizes) and Metal I'.lowpipe 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, Larviij, and Pupae, 

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

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



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



The cheapest dealer in P.irds, Skins, Eggs, Butterflies, Moths, Foreign Shells, 

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



