DECEMBER II, 1913} 
NATURE 
clv 
Large Stock for Sale or Hire of 
NATURE PHOTOGRAPHS. 
British Birds, Flowers, and Insects. 
GEOLOGICAL PHOTOGRAPHS. 
Scenery —> pecimens—Photomicrographs. 
ASTRONOMY. 
Slides made to order from Negatives, Prints, 
Drawings, Sc. Prompt Deliveries. 
FLATTERS & GARNETT, LTD., 
309 Oxford Road (Cents), Manchester. 
Sales by Eluction. 
STEVENS’ AUCTION ROOMS. Esrp. 1760. 
A Sale by Auction is held EVERY FRIDAY 
at 12.30, which affords first-class opportunities for the disposal o 
urchase of SCIENTIFIC AND ELECTRICAL APPARATUS, 
Miicreecasas and Accessories, Surveying Instruments, Photographic 
Cameras and Lenses, Lathes and Tools, Cinematographs and Film<, 
and Miscellaneous Property. : 
Catalogues and terms for selling will be forwarded on application to 
Mr. J. C. STEVENS, 
38 KING STREET, COVENT GARDEN, LONDON, w.c. 
ROCK SECTIONS FOR THE MICROSCOPE 
New List of over 600 well cut Rock and Mineral 
Sections now ready, post free from 
JAMES R. GREGORY 6& CO., 
Mineralogists, &c., 
189 FULHAM ROAD, SOUTH KENSINGTON, S.W. 
Telegrams: ‘‘ Meteorites, London.” Telephone : 2841 Western. 
LIVING SPECIMENS FOR 
THE MICROSCOPE. 
Volvox, Spirogyra, Desmids, Diatoms, Amoeba, Arcella, Actinospherium, 
Vorticella, Stentor, Hydra, Floscularia, Stephanoceros, Melicerta, and many 
other specimens of Pond Life. Price rs. per Tube, Post Free. Helix 
pomatia, Astacus, Amphioxus, Rana, Anodon, &c., for Dissection purposes. 
THOMAS BOLTON, 
25 BALSALL HEATH ROAD, BIRMINGHAM. 
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 :-— 
Sycon; Clava, Obelia, Sertularia; Actinia, Tealia, 
Caryophyllia, Alcy- 
onium; Hormiphora (preserved); Leptoplana; Lineus, Amphi orus, 
Nereis, Aphrodite, Arenicola, Lanice, Terebella; Lepas, Balanus, 
Gammarus, Ligia Mysis, Nebalia, Carcinus; Patella, Buccinum, Eledone, 
Pectens Bugula, Crisia, Pedicellina, Holothuria, Asterias, Echinus, 
Salpa (preserved), Scyllium, Raia, &c., &c. 
For prices and more detailed lists apply to 
Biological Laboratory, Plymouth. 
THE DIRECTOR 
munications to the Editor. 
bet 
Yearly oe fia a asa dee oh BO 
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Quarterly (13 Numbers)... hes mee Oy = FPG 
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(A charge of 6d. is made for changing Scotch and Irish Cheques.) 
Cloth Cases for binding “‘ Nature” are issued at 1s. 6d. each, and can be sent post free for ls, 9d. 
LANTERN SLIDES. }| WATKINS & DONCASTER. 
Naturalists and Manufacturers of 
CABINETS AND APPARATUS 
FOR COLLECTORS OF INSECTS, BIRDS' EG@S AND SKINS, 
MINERALS, PLANTS, &c. 
N.B.—For | Excellence * and Superiority of Cabinets and Apparatus, 
references are permitted to distinguished patrons, Museums, Colleges, &c. 
Sel bg tel teh ead, 
A LARGE STOCK OF INSECTS, BIRDS’ EGGS AND SKINS. 
SPECIALITY.—Objects for Nature Study, 
Drawing Classes, &c. 
Birds, Mammals, &e., Preserved and Mounted by First-class 
Workmen true to Nature. 
All Books and Publications (New and Second-hand) on Insects, 
Birds’ Eggs, &c., supplied. 
386 STRAND, LONDON, wW.c. 
(Five Doors from Charing Cross.) 
FULL CATALOGUE POST FREE. 
FOR ALL KINDS OF EDUCATIONAL 
Mineral Material, 
COMMON ORES, and SELECT CRYSTALLIZED 
SPECIMENS, at ALL PRICES. 
G. H. RICHARDS & Cco., 
Dealers in all kinds of British and Foreign Mineral Specimens. 
Note new Address :— Lists free. 
48 Sydney Street, Fulham Road, South Kensington, London, $.W. 
SKELETONS®& SKULLS 
Specimens and Preparations for Teachinz 
BIOLOGY & ZOOLOGY 
and for Museums. 
Lists on Application. 
EDWARD GERRARD & SONS 
Osteologists and Taxidermists, 
NATURAL HISTORY STUDIOS 
6I College Place, 
Camden Town, London. 
Collections of British and Foreign 
MINERALS, ROCKS, FOSSILS. 
25 Specimens, 5/6; 50 do., 10/6 ; 100 do., 21/-; 200 do., 42/-, 
20 Coal Measure Rocks and Fossils, 12/6; do., larger, 15/-. 
In Polished Deal Boxes. 
Minerals, Rocks, Fossils, and 
Specimens sent on approval. 
Inspection invited of a large stock of 
Microscopic Objects. 
Prospectors’ Sets, Blowpipe Cases, Cabinets, Geologists’ 
Hammers, Card Trays, Glass-Capped Boxes, Models of Crystals, 
and all Apparatus for Mineralogists and Geologists. 
NEW CATALOGUES POST FREE. 
RUSSELL & SHAW, 38 Ct. James Street, Bedford Row, London, W.C. 
is ** Phusis,”’ London, Telephone—Gerrard, 8830. 
To all Places Abroad :— An Ss oe 
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