SCTENCE-GOSSIP. 



WATKINS AND DONCASTER, 



Naturalists and Manufactu rers of Entomologica l Apparatus and Gabinets. 



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, IJd. each, 3d. per doz., or 



$s. 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. ; corked both sides, gd., 1/-, and 1/6. 



Zinc Relaxing Boxes, gd., il-, lit, and 2I- 



Nested Chip Boxes, 4 dozen, Bd., i/g gross 



Entomological Pins, mixed, 1/6 per oz. 



Sugaring Lanterns, 2/6 to 10/6 



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



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



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



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



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

 Setting Boards, flat or oval, i-hv, td. ; ij-ln., Sd.; ij-ln., gd. ; 



a-ln., lod. ; 2l-m., 1/-; 3-in., 1/2; 3j-ln., 1/4; 4-ln., 1/6; 



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

 Setting Houses, 9/6 and 11/6 ; corked back, 14/- 

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



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 instrnments for skinning*, 10/6 

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

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



Coleopterist's Collecting Bottle, with tube, i/6, 1/8 

 Botanical Cases, japanned double tin, 1/6, a/9, 3/6, 4/6, 7/6 

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

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

 Cement for replacing Antennae, td. per bottle 

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

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

 Pupa Diggers, In leather sheath, i/g. Insect Len3, 1/- to 8/- 



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

 Label Lists of British Butterflies, td. 



Ditto Land and Fresh-Water Shells, zd. 



Egg Drlls, id., 3d., i/- ; Metal Blow-pipe, 4<f. & td. 

 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 0/ order. 



The "DIXON" LAMP-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 

 Minerals and Dried 

 Plants, Fossils, &c. 



sizes 



Insect. 

 13/6 . 

 17/6 . 



Eggs. 



1 6/6 



io/6 

 15/- 



Special Show Room. 



; for measurements and larger sizes sea Catalogue- 



T«„^t w„„„ Minerals and Dried 



Insect. Eggs. PIant3i k 0SE h Si &c . 



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



10 „ .. 45/- 56/- 45/- 



A 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). 



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, Obella, Sertularla ; Actinia, Tealla, Caryophyllla, 

 Aloyonlum ; Hormiphora (preserved) ; Leptoplana ; Lineus 

 Amphiporus j Nereis Aphrcdite, Arenicola, Lanlce, Terebella 

 Lepas, Balanus, Gammarus, Ligla, Mysis, Nebalia, Carcinus 

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

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

 Scyllium, Raia, etc., etc. 



For Prices and more detailed Lists apply to 



THE DIRECTOR, Biological Laboratory. PLYMOUTH 



TRILOBITES 



From the Upper Silurian of Dudley. 



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

 Acidaspis coronata, 2s. to 4s. 

 Calymene Blurnenbachii,5S. to 

 12s. 6rf. 



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

 Encrinurus variolaris, is. td. to 



3s. td. 

 Homolonotus, 3s. 6d. to ys. 



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. 



birkbeciTbank 



SOUTHAMPTON BUILDINGS, CHANCERY LANE, W.C- 



TWO-AND A-HALF per CENT. LNTEBE8T allowed on DEPOSITS 



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



the minimum monthly balances, when not drawn below JE100. 8TOCKS 



and SHABES 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 . 



BIBKBECK BUILDING SOCIETY. 

 HOW TO PURCHASE A HOUSE FOB TWO GUINEAS PBB MONTH 



BIREBECE FREEHOLD LAND SOCIETY. 

 HOW TO PURCHASE A PLOT OF LANK FOB 5a. PEB MONTH. 

 The B1RKBBCK ALMANACK, with full particulars, post free. 

 Established 1861. FBANCIS BAYENBCBOFT, Manager. 



PHYSIOGRAPHY and GEOLOGY. 



COLLECTIONS & MICROSCOPIC SLIDES 



As advised by Science and Art Directory, arranged by 



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



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. 



THE 



JOURNAL of C0NCH0L0GY 



The organ of the Conchological Society of Great Britain 

 and Ireland. Published Quartet ly. 



The number for January, 1899, will contain, amongst other 

 matter :— J. T. Marshall, "Additions to British Mollusca"; 

 J. R. B. Marefield, M.A., " The Economic Uses of some British 

 Mollusca; E. W. Swanton, "The Land and Freshwater 

 Mollusca of Somersetshire." 



Annual Subscription, 5s. 



Hon. Secretary— W. E. HOYLE, M.A., 



The Owens College, Manchester.^ 



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. 



