OcroBER 16, 1913] NATURE Ixxili 
LANTERN SLIDES. ]| WATKINS & DONCASTER, 
Large Stock for Sale or Hire of Naturalists and Manufacturers of 
| NATURE PHOTOGRAPHS. CABINETS AND APPARATUS 
FOR COLLECTORS OF INSECTS, BIRDS' EGGS AND SKINS, 
| British Birds, Flowers, and Insects. . MINERALS, PLANTS, ac. 
| | GEOLOGICAL PHOTOGRAPHS. N.B.—For Excellence and Superiority of Cabinets and Apparatus, 
Scenery—Specimens—Photomicrographs. 
references are permitted to distinguished patrons, Museums, Colleges, &c. 
A LARGE STOCK OF INSECTS, BIRDS’ EGGS AND SKINS. 
| ASTRONOMY. Se 
——— 
Slides made to order from Negatives, Prints, 
SPECIALITY.—Objects for Nature Study, 
Drawings, &c. ———— Prompt Deliveries. 
Drawing Classes, &c. 
|}FLATTERS & GARNETT, LTD., 
309 Oxford Road (°prcsts.tt°), Manchester. 
| 
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. 
86 STRAND, LONDON, W.C. 
(Five Doors from Charing Cross.) 
FULL OGATALOGUE POST FREE. 
Sales by #uction. 
‘ STEVENS’ AUCTION ROOMS. _Estp. 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. 
fatalogues and — — selling will be forwarded on application to 
- Cc. STEVEN 
38 KING STREET, “COVENT GARDEN, LONDON, cpl oe 
FOSSIL COLLECTION. 
JAMES R. GREGORY & CO. having purchased the well-known 
Collection of Silurian and Coal Measure Fossils. formed by 
the late Henry Johnson, of Dudley, are prepared to sell the 
Collection either separately or as a whole. Apply to 
JAMES R. GREGORY & CO., 
Mineralogists, &c., 
139 FULHAM ROAD, SOUTH KENSINGTON, S.W. 
Telephone: 2841 Western. Telegrams: ‘‘ Meteorites, emits? 
~ LIVING SPECIMENS FOR 
THE MICROSCOPE. 
i 
Volvox, Spirogyra, Desmids, Diatoms, Amozba, Arcella, Actinosphzrium, 
 Vorticella, Stentor, Hydra, Floscularia, Stephanoceros, Melicerta, and many 
other specimens of Pond Life. Price xs. per Tube, Post Free. Helix 
pomatia, Astacus, Amphioxus, Rana, Anodon, &c., for Dissection purposes. 
HOMAS 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 
ALL KINDS OF BRITISH AND FOREIGN 
Mineral Specimens, 
COMMON MINERAL ORES, and 
CHOICH CRYSTALLIZED SPECIMENS 
at ALL PRICES on view at 
RICHARDS’ SHOW ROOMS. 
Note new Address :— Lists free. 
48 Sydney Street, Fuiham Road, South Kensington, London, $.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. 
MINERALS, ROCKS, FOSSILS, APPARATUS, 
WIRELESS DETECTORS, AND MINERALS. 
KINDLY NOTE REMOVAL OF 
RUSSELL & SHAW, 
or preserved by the best methods :— to ae CE 
Sycon; Clava, Obelia, Sertularia; Actinia, Tealia, Caryophyllia, Alcy- 11 John Street, Theobald’s Road, 
onium; Hormiphora (preserved) ; Leptoplana; Lineus, Amphiporus, =r — 
Nereis, Aphrodite, Arenicola, Lanice, Terebella; Lepas, Balanus, 
Gammarus, es Mysis, Nebalia, Carcinus; Patella, Buccinum, Eledone, 
' Pectens a, Crisia, Pedicellina, Holothuria, Asterias, Echinus, 
Salpa len 9 Scyllium, Raia, &c., &c 
or prices and more detailed lists apply to 
Biological Laboratory, Plymouth. THE DIRECTOR 
38 GT. JAMES STREET, BEDFORD ROW, 
LONDON, W.C., 
Third door (left side) from Theobald’s Road. 
NOTICE.—Advertisements and business letters for *‘ Nature” should be addressed to the Publishers; Editorial Com. 
munications to the Editor, The telegraphic address of ‘‘ Nature’ is ‘‘Phusis,” London, Telephone—Gerrard, 8830. 
SUBSCRIPTIONS TO “NATURE.” 
£ s. ad. | Toall Places Abroad :— Aer sha 
Yearly ae - 1 8 O | Yearly oe aby. eee 
iighienly (26Numbers) |. ... 0 14 6 Half-yearly (26 Numbers) - 0 15 6 
y Quarterly (13 Numbers)... art SOL 6 Quarterly (13 Numbers).. Nae 0 8 O 
(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 1s. 9d. 
‘ 
, NET Sor. aoe ADVERTISEMENTS. £ 5 
dL. Ss. a 
b. First Two Lines in Column... .. 0 2 % One Sixth Page, or One Third Col, 1 7 0 
4 Per Line after .. 0 O 9 | Quarter Page, or Halfa Column... 1 15 0 
- One Sixteenth Page, or Eighth Col. 0 10 0 | Half a Page, ora Pon oof 4 
z One Eighth Page, or Quarter Col... 0 18 6 Whole Page Ff G 640 
For the re-direction of replies to advts. a charge of 3d. per pdvts is sanidied 
Cheques and Money Orders should be Crossed and made payable to MACMILLAN & CO., Limited, 
OFFICE: ST. MARTIN’S STREET, LONDON, W.C. 
