SCIENCE-GOSSIP. 



WATKINS & DONCASTER, 



NATURALISTS and MANUFACTURERS OF CABINETS and APPARATUS for 

 ENTOMOLOGY, BIRDS' EGGS and SKINS, and all branches of Natural History. 



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



Patrons, Museums, Colleges, &*c. 



DJP"* Our New Catalogue (96 pages) may be had post free on application. 



Plain Ring Nets, Wire or Cane, including stick, is. 3d., 2s., 2s. 6d. 



Folding Nets, 3s. 6d. and 4s. 



Umbrella Nets (self-acting), 7s. 



Pocket Boxes, 6d. ; corked both sides, od., is. and is. 6d. 



Zinc Relaxing Boxes, ad., is., is. 6d. and 2s. 



Nested Chip Boxes, 4 dozen, 7d., is. 6d. gross. 



Entomological Pins, mixed, is., is. 6d. per oz. 



Sugaring Lanterns, 2s. 6d. to 8s. 



Sugaring Tins, with brush, is. 6d., 2s. 



Sugaring Mixture, ready for use, is. od. per tin. 



Mite Destroyer (not dangerous to use), is. 6d. per lb. 



Store Boxes, with Camphor Cells, 2s. 6d., 4s., 5s. and 6s. 



Ditto, Book Pattern, 8s. 6d., 9s. 6d. and 10s. 6d. 

 Setting Boards, flat or oval, 1 in., 6d. ; ij in., 8d. ; if in., od. ; 2 in., 



lod. ; 24 in., is. ; 3 in., is. 2d. ; 3$ in., is. 4d. ; 4 in., is. 6d. ; 



44 in., is. 8d. ; 5 in., is. iod. Complete set of 14 boards, 10s. 6d. 

 Setting Houses, 9s. 6d. and us. 6d. ; corked back, 14s. 

 Zinc Larva Boxes, gd., is. Brass Chloroform Bottle, 2s. 6d. 

 Breeding Cages, 2s. 6d., 4s., 5s. and 7s. 6d. 



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



most useful instruments for skinning, 10s. 6d. 

 Scalpels, is. 3d. ; Label Lists of Birds' Eggs, 2d., 3d., 6d. 

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

 Coleopterist's Collecting Bottle, with tube, is. 6d., is. 8d. 

 Botanical Cases, japanned double tin, is. 6d., 2s. od., 3s. 6d., 4s. 6d., 

 Botanical Paper, is. id., is. 4d., is. 9d., & 2s. 2d. per quire. [7s. 6d. 

 Insect Cases, imitation mahogany, 2s. 6d. to us. 

 Cement for replacing antennae, 4.d. per bottle. 

 Forceps for removing insects, is. 6d., 2s., 2s. 6d. per pair. 

 Cabinet Cork, 7 by 3^, best quality, is. 4d. per dozen sheets. 

 Pupa Diggers, in leather sheath, is. gd. Insect Lens, is. to 8s. 

 Glass Topped and Glass Bottomed Boxes, from is. per dozen. 

 Label Lists of British Butterflies, 2d. 



Ditto Land and Fresh-Water Shells, 2d. 



Egg Drills, 2d., 3d., 9d. ; Metal Blow Pipe, 4d. and 6d. 

 Our new Label List of British Macro-Lepidoptera, with Latin and 



English Names, is. 6d. Our new Catalogue of British Lepido- 



ptera, every species numbered, is. ; or on one side for Labels, 2s. 



All articles enumerated are kept in stock, and can be sent immediately on receipt of order. 



The " DIXON " LAMP NET (invaluable for taking Moths off Street Lamps without climbing the lamp-posts), 



recently much improved, 3s. 6d. 



CABINETS. Special Show Room. 



The following are the prices of a few of the smaller sizes ; for measurements and larger sizes see catalogue. 



t c™o Minerals and Dried t,™„<. tt„„. Minerals and Dried 



Insect. Eggs. plantSj Foss ;, Si &c _ Insect. Eggs. plantSj Yq% ^ &c 



4 Drawers 13s. 6d 12s. od 10s. 6d. 8 Drawers 33s 30s 25s. 



6 Drawers 17s. 6d 16s. 6d 15s. od. j 10 Drawers 45s 56s 45s. 



A LARGE STOCK OF INSECTS, BIRDS' EGGS AND SKINS. 



Birds, Mammals, &c, Preserved and Mounted by First-class Workmen true to Nature. 

 !^" All Books and Publications on Natural History supplied. 



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



(SANGER SHEPHERD PROCESS.) 



A simple, inexpensive, and reliable process, based upon 

 sound scientific principles, for obtaining photographs 

 of any object in its natural colours, faithfully reproducing 

 every shade and tint, in a manner absolutely satisfying to 

 the eye. NATURAL COLOUR LANTERN SLIDES, 

 STEREOSCOPIC VIEWS, and all APPARATUS and 

 MATERIAL for working the process NOW READY. 

 The LANTERN SLIDES are of the Standard Size, 

 3i inches square, are perfectly transparent, and can be 

 shown in any ordinary lantern. A number of examples are 

 always on view at our premises. 

 Descriptive Circulars on application. 

 Special Agents for the 



CADETT SPECTRUM PLATE. 



All sizes up to 15 by 12 inches always in Stock. 



ORTHOCHROMATIC LIGHT FILTERS or SCREENS 



for all brands of plates. 



CAMERAS FOR ALL PURPOSES. 



PHOTO SPECTROSCOPES. CAMERAS and LIGHT 



FILTERS for PHOTOMICROGRAPHY. 

 Rotating' Sectors, Instruments for the Measurement of 

 Light and Colour, Speed Determination, &*c. 

 Factory and Offices : 5, 6 & 7 GRAY'S INN PASSAGE, RED LION 

 STREET, HOLBORN, LONDON, W.C. 

 Note. — Gray's Inn Passage is the second turning on the right in Red Lion Street, coming from Holborn. 



MEASURED LIGHT FILTERS FOR THE THREE- 

 COLOUR PROCESS. (MEDAL Royal Photographic Society, 

 1899.) Square or Circular, 1 to 6 inches diameter. 



Sole Makers of THE CADETT ABSOLUTUS AND 



GILVUS LIGHT FILTERS for the SPECTRUM Plate. 

 Giving Photographs which- represent the luminosity of all colours 

 exactly as seen by the eye. All sizes, Square or Circular. CAPS and 

 FITTINGS stocked in SEVERAL PATTERNS. See Circulars. 



SANGER SHEPHERD & CO. 



Telegrams : " AUKS," LONDON. 



ESTABLISHED 1760. 



Telephone : 1824 GERRARD. 



38 KING 



(HENRY STEVENS. D. PELL-SMITH.) 

 AUCTIONEER H.NX* VALUER, 



STREET, COVENT GARDEN, LONDON, 



W.C. 



Every Friday at 12.30 Sales are held at the Rooms of Microscopes and all Accessories by best makers. Micro- 

 scopic Slides, Telescopes, Theodolites, Levels, Electrical and Scientific Apparatus, Cameras and all 

 kinds of Photographic Apparatus. Lanterns by leading makers. Lantern Slides in great variety. 

 NATURAL HISTORY SALES once and twice a month. 

 CURIOSITIES, WAR RELICS, POSTAGE STAMPS, once a month. 



Catalogues and all particulars of Sales, post free. 



Probate or Transfer, and Sales conducted in any part of 

 the Country. 



Valuations for 



