a 
OcTOBER 2, 1913]| 
NATURE 
iii 
LANTERN SLIDES. 
Large Stock for Sale or Hire of 
NATURE PHOTOGRAPHS. 
British Birds, Flowers, and Insects. 
GEOLOGICAL PHOTOGRAPHS. 
Scenery—Specimens—Photomicrographs. 
ASTRONOMY. 
Slides made to order from Negatives, Prints, 
Drawings, &e. Prompt Deliveries. 
FLATTERS & GARNETT, LTD., 
309 Oxford Road ((y0<i"\%°), Manchester. 
Sales by #uction. 
STEVENS’ AUCTION ROOMS. Esrp. 1760. 
A Sale by Auction is held EVERY FRIDAY 
at 12.30, which affords first-class opportunities for the disposal or 
urchase of SCIENTIFIC AND ELECTRICAL APPARATUS, 
icroscopes and Accessories, Surveying Instruments, Photographic 
Cameras and Lenses, Lathes and Tools, Cinematographs and Films, 
and Miscellaneous Property. 
Catalogues and terms for selling will be forwarded on application to 
Mr. J. Cc. STEVENS, 
48 KING STREET, COVENT GARDEN, LONDON, W.C. 
METEORITES 
Meteoric Iron and Stones in all sizes and prices. 
Apply stating requirements, &c., to 
JAMES R. GREGORY & CO., 
MINERALOGISTS, &c., 
1839 FULHAM ROAD, SOUTH KENSINGTON, S.W. 
Telephone: 2841 Western. 
Telegrams: “‘ Meteorites," London. 
LIVING SPECIMENS FOR 
THE MICROSCOPE. 
Volvox; Spirogyra, Desmids, Diatoms, Amceba, Arcella, Actinosphzrium, 
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, Amphiporas, 
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. 
WATKINS & DONCASTER, 
Naturalists and Manufacturers of 
CABINETS AND APPARATUS 
FUR COLLECTORS OF INSECTS, BIRDS' EGGS AND SKINS, 
MINERALS, PLANTS, &c. 
N.B.—For Excellence and Superiority of Cabinets and Apparatus 
references are permitted to distinguished patrons, Museums, Colleges, &c. 
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. 
36 STRAND, LONDON, W.C. 
(Five Doors from Charing Cross.) 
FULL CATALOGUE POST FREE, 
—E7~o 
Minerals, Rocks, Fossils, Metallic 
Ores, Rough Precious Stones, &c. 
A Large Assortment from all parts of the world always on view, 
and at all prices. Inspection invited. 
Crude Mineral for Chemistry Students and Technical Schools. 
Single Crystals and Teaching Specimens in Great Variety. 
RICHARDS’ SHOW ROOMS. 
Note new Address :— Lists free. 
48 Sydney Street, Fulham Road, South Kensington, London, 8.W. 
SKELETONS & SKULLS = 
Specimens and Preparations for Teaching 
BIOLOGY & ZOOLOGY 
and for Museums. 
Lists on Application. 
EDWARD GERRARD & SONS 
Osteologists and Taxidermists, 
NATURAL HISTORY STUDIOS 
6I College Place, 
Camden Town, London. 
WINER ALS. 
CHOICE AND RARE SPECIMENS 
FROM ALL PARTS of THE WORLD. 
Cheapest House in the line for Collections, Specimens, Blow- 
pipe Sets, Cabinets, Glass-Capped Boxes, Trays, &c., &c. 
We can fix you up with anything and everything in the way 
of Apparatus for Geological and Mineralogical Work. 
RUSSELL & SHAW, 
38 Gt. James Street, Bedford Row, London, W.C. 
ee ee 
munications to the Editor. 
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