SCIENCE-GOSSIP. 



WATKINS AND DONCASTER, 



Naturalists and Manufactu rers of Entomologica l Apparatus and Cabinets. 



N.B. — For Excellence and Superiority of Cabinets and Apparatus, references are permitted to distinguished 



Patrons and Colleges, &c. Catalogue (66 pp.) sent post free on application. 

 Now ready— The Exchange List and Label List, Compiled by Ed. Meyrick, B.A., F.L.S., F.E.S., according 



to his recent "Handbook of British Lepidoptera." Exchange Lists, l£d. each, 8d. per doz., or 



4s. per 100. Label Lists, Is. 6d. each. 



Plain Ring Nets, Wire or Cane, including stick, 1/3, a/-, 2/6 



Folding Nets, 3/6 and 4/- 



Umbrella Nets (self-acting), 7/- 



Pocket Boxes, 6d. ; cocked both sides, gd., 1/-, and 1/6. 



Zinc Relaxing Boxes, gd., 1/-, 1/6, and 2l- 



Nested Chip Boxes, 4 dozen, 8d., 1/9 gross 



Entomological Pins, mixed, 1/6 per oz. 



Sugaring Lanterns, 2/6 to 10/6 



Sugaring Tin, with brush, 1/6, i\- 



Sugarlng Mixture, ready for use, 1/9 per tin 



Mite Destroyer (not dangerous to use), 1J6 per lb. d 



Store Boxes, with Camphor Cells, 2/6, 4/-, 5/-, and 6/- 



Ditto, Book Pattern, 8/6, g/6, and 10/6 

 Setting Boards, flat or oval, i-ln-, 6d. ; ij-ln., Sd.; i|-ln., gd. ; 



a-ln., iod.; 2£-in., 1/-; 3-in., 1/2; 3j-ln., 1/4; 4-ln., 1/6; 



4 J-in., 1/8 ; 5-in., 1/10. Complete set of 14 boards, 10/6 

 Setting Houses, 9/6 and n/6 ; corked back, 14/- 

 Zinc Larva Boxes, gd., 1/- Brass Chloroform Bottle, 2l- 



Breeding Cage, 2/6, 4/-, 5/- and 7/6 



All Articles enumerated are kept in stock, and 



Taxidermist's Companion, i.e., a pocket leather case, containing 



most useful Instruments for skinning, 10/6 

 Scalpels, 1/3 ; Label Lists of Birds' Eggs, 3d., \d., 6d. 

 Scissors, per pair, 2/- Setting Needles, 3d. and 6d. per box 



Coleopterlst's Collecting Bottle, with tube, 1/6, 1/8 

 Botanical Cases, japanned double tin, 1/6, 2/9, 3/6, 4/6, jr/6 

 Botanical Paper, 1/1, 1/4, 1/9 and 2/2 per quire 

 Insect Cases, imitation mahogany, 2/6 to n/- 

 Cement for replacing Antennae, 6d. per bottle 

 Forceps for removing Insects, 1/6, 2/-, 2/6 per pair 

 Cabinet Cork, 7 x 3$, best quality, 1/4 per dozen sheets 

 Pupa Diggers, in leather sheath, i/g. Insect Lens, 1/- to 8/- 



Glass Top and Glass Bottomed Boxes, from 1/4 per dozen 

 Label Lists of British Butterflies, 2d. 



Ditto Land and Fresh- Water Shells, 2d. 



Egg Drlls, 2d., 3d., 1/- ; Metal Blow-pipe, $d. & 6d. 

 Our New Label List of British Marco-Lepidoptera, with Latin and 

 English Names, 1/6. Our new Catalogue of British Lepidoptera 

 (every species numbered, 1/- ; or on one side for Labels, 2/ 

 can be sent immediately on receipt of order. 



The "DIXON" LAMP-NET (Invaluable for taking Maths of Street Lamps without climbing the lamp-posts, 2/6. 



4 Drawers 

 6 .. 



CABINETS. 



The following are the prices of a few of the smaller si 

 Minerals and Dried 

 Plants, Fossils, &c. 



Insect. 

 13/6 

 17/6 



12/- 



16/6 



io/6 

 15/- 



Special Show Room. 



; for measurements and larger sizes see Catalogue. 



Insect Eees M,nerals and Dr 'od 



Kgs> Plants, Fossils, &c. 



8 Drawers. . 



10 



33/- 

 45/- 



30/- 

 56/- 



25/- 

 45/" 



LARGE STOCK OF INSECTS AND BIRDS' EGGS. 



Birds, Mammals, &c, Preserved and Mounted by First-class workmen. 



36, STRAND, W.C. (Five Doors from Charing Cross). 



SCIENCE-GOSSIP. 



BACK NUMBERS (with a few exceptions) from the beginning vp 



to August, 1893, may be had from CHATTO & WINDUS, at a 



uniform charge of ^d. each. 



"Works by RICHARD A. PROCTOR. 



FLOWERS OF THE SKY. With 55 Illustrations'. Crown 8vo, 

 cloth extra, 3s. 6d. 



EASY STAR LESSONS. With Star [Maps for every Night in 

 the Year. Crown 8vo, cloth. 6s. 



FAMILIAR SCIENCE STUDIES. Crown 8vo, cloth extra, 6s. 



SATURN AND ITS SYSTEM. With 13 Steel Plates. Demy 

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MYSTERIES OF TIME AND SPACE. With numerous Illustra- 

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THE UNIVERSE OF SUNS, etc. With numerous Illustrations. 

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WAGES AND WANTS OF SCIENCE WORKERS. Crown 

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By CAMILLE FLAMMARION. 

 POPULAR ASTRONOMY: A General Description of the 

 Heavens. Translated by J.' Ellard Gore, F.R.A.S. With 

 Three Plates and 288 Illustrations. Medium 8vo, cloth, 10s. 6d. 



By A. RAMBOSSON. 

 ASTRONOMY. With 10 Coloured Plates and 63 Woodcuts. 

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By SIR DAVID BREWSTER. Post 8vo, cloth, 4s. 6d. each. 

 MORE WORLDS THAN ONE : Creed of the Philosopher and 



Hope of the Christian. With Plates. 

 THE MARTYRS OF SCIENCE : Galileo, Tycho Brahe, and 



Kepler. With Portraits. 

 LETTERS ON NATURAL MAGIC. With numerous Illustrations. 



By MICHAEL FARADAY. Post 8vo, cloth, 4s. 6d. each. 

 THE CHEMICAL HISTORY OF A CANDLE. Edited by 



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 ON THE YARIOUS FORCES OF NATURE. Edited by William 



Crookes, F.C.S. With Illustrations. 



London : CHATTO & WINDUS, in, St. Martin's Lane, W.C. 



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25 per cent, discount for cash or Ha. 6d. per month 

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 W.C. Pianos exchanged. 



T^OR SALE.— THE ANIMAL KING- 

 -*- DOM, arranged in conformity with its organiza- 

 tion, by Baron Cuvier, etc., with additional descrip- 

 tions of all species hitherto named, of many not before 

 noticed, and other original matter by Edward 

 Griffith, F.L.S., and others. Forty-one quarterly 

 parts, each part containing many engraved plates by 

 T. Landseer, etc. Demy 8vo. Each part published 

 at 12/-. What offers? — George Middleton, North 

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