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 



Is. 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), 71- 



Pocket Boxes, 6d. ; corked 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, 3/6 to 10/6 



Sugaring Tin, with brush, 1/6, 2/- 



Sugaring Mixture, ready for use, i/g per tin 



Mite Destroyer (not dangerous to use), 1/6 per lb. 



Store Boxes, with Camphor Cells, 2/6, 4/-, 5/-, and 61- 



Dltto, Book Pattern, 8/6, 9/6, and 10/6 

 Setting Boards, flat or oval, i-lrr, td. ; ij-ln., %d.\ ij-ln., gd. ; 



a-ln., jod. ; 2i-in., 1/-; 3-ln., 1/2; 3J-In., 1/4; 4-in., x/6 ; 



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

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

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



Breedlng 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., 0., 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, a/9, 3/6, 4/6, 7/6 

 Botanical Paper, 1/1, 1/4, i/g and 2/2 per qnlre 

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

 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 sheafh, i/g. Insect Lens, if- to 8/- 



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

 Label Lists of British Butterflies, ad. 



Ditto Land and Fresh-Water Shells, id. 



Egg Drlls, 2d., 3d., 1/- ; Metal Blow-pipe, a,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, 3/ 

 can be sent immediately on receipt of order. 



The "DIXON" LAHP-NET (Invaluable for taking Moths 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 siz 

 Minerals and Dried 

 Plants, Fossils, &c. 



Insect. 



Eggs. 



13/6 

 i 7 /6 



12/- 



1 6/6 



io/6 

 15/- 



Special Show Room. 



; for measurements and larger sizes see Catalogue. 



,_..., t»„„„ Minerals and Dried 



Insect. Eggs. p]antSi FoM „ 8i &0 _ 



8 Drawers.. 33/- 30/ 25/- 



10 „ .. 45/- 56/- 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). 



TRILOBITES 



From the Upper Silurian of Dudley. 



Phacops caudatus, is. 6d. to 15s. 

 Acidaspis coronata, 2s. to 4s. 

 Calymene Blumenbachii,5S. to 

 12s. 6d. 



Phacops Downingias, is. 6d. to 5s. 

 Encrinurus variolaris, is. 6d. to 



3s. 6rf. 

 Homolonotus, 3s. 6d. to js. 



A few Upper Silurian Crinoids, Corals and Brachiopods. 

 COLLECTIONS TO ILLUSTRATE GEOLOGY AND PHYSIOGRAPHY 



Catalogues Post Free. ' 



THOMAS D. RUSSELL, Mineralogist 



78, NEWGATE STREET, LONDON, E.C. 



MARINE BIOLOGICAL ASSOCIATION OF THE 

 UNITED KINGDOM. 



THE LABORATORY, PLYMOUTH. 



The following Animals can always be supplied, either living or 

 preserved by the best methods : — 



Syoon ; Clava, Obelia, Sertuiaria ; Actinia, Tealla, Caryopbyllla, 

 Aloyoniuin ; Hormiphora (preserved) ; Leptoplana ; Lineus, 

 Amphiporus ; Nereis Aphrodite, Arenicola, Lanice, Terebella ; 

 Lepas, Balanus, Gammarus, Ligia, Mysis, Nebalia, Carclnus ; 

 Patella, Buccinum, Eledone, Pecten; Bugula, Crisia, Pedicellina ; 

 Holothuria, Asterias, Echinus ; Ascidia, Salpa (preserved), 

 Scyllium, Raia, etc., eto. 



For Prices and more detailed Lists apply to 



THE DIRECTOR, Biological Laboratory. PLYMOUTH 



BIRKBECK BANK 



SOUTHAMPTON BUILDINGS, CHANCERY LAKE, W.C- 



ITTO-AKD A-HAXlF per CENT. INTEBEST allowed on DEPOSITS 



repayable on demand. TWO per CENT, on CURRENT ACCOUNTS, on 



the minimum monthly balances, when not drawn below JE100. STOCKS 



and SHARES purchased and sold. 



SAVINGS DEPARTMENT. 

 For the encouragement of Thrift the Bank receives small sums on deposit 

 and allows Interest monthly on each completed £1. 



BIRKBECK BUILDING SOCIETY. 

 HOW TO PURCHASE A HOU8E FOR TWO GUINEAS PER MONTH 

 „~™ „ BIRKBECK FREEHOLD LAND SOCIETY. 

 HOW TO PURCHASE A PLOT OF LAWD FOB 5 8 . PEE MONTH. 

 The BIRKBECK ALMANACK, with full particulars, post free. 

 BsTABLiSHBD 1861. FBANCI8 RATENSCBOFT, Manager 



PHYSIO GRAPHY and GEOLOGY. 



COLLECTIONS & MICROSCOPIC SLIDES 



As advised by Science and Art Directory, arranged by 



JAMES R. GREGORY & CO., Mineralogists, Ac, 



To Science and Art Department, British, Indian and Colonial 



Museums, &c. 



NOVELTIES and RARE GEMS and PRECIOUS STONES. 



Mineral Specimens for Museums and Collectors, and all purposes. 



Rock Specimens and Microscopic Sections of Rocks and 



Minerals cut to order. 



New and Valuable Mineral Specimens constantly arriving. 



Stores and Offices : 1, Kelso Place, KENSINGTON, W. 



New Catalogues and Lists Free. 



RARE OPPORTUNITY TO SCHOOLS, 

 COLLEGES, etc. 



FOR SALE, a few first-class 



Microscope Object Glasses. 



SPECIALLY CONSTRUCTED FOR STUDENTS. 



Each being a perfect 4/ioth, 2/3rd and i^-in. (three 



Object Glasses in one). 



LESS THAN HALF PRICE. Special Quotations for a Number. 



Apply— J. H. DALLMEYER, Ltd., 25, Newman Street, W. 

 MICROSCOPICAL. 



Well-mounted objects, especially suitable for exhibi- 

 bition, for sale (from 6d.), or exchange for good 

 unmounted material in fair quantities ; send for lists. 



OBJECTS SENT ON APPROVAL, 



FRANK P. SMITH, 15, Cloudesley Place, Islington, N. 



