FEBRUARY 19, 1914] NATURE celvil 
LANTERN SLIDES. }| WATKINS & DONCASTER, 
NOW READY. Naturalists and Manufacturers of 
Supplementary Catalogue CABINETS AND APPARATUS 
> FOR COLLECTORS OF INSECTS, BIRDS’ E@@S AND SKINS, 
of Lantern Slides, E/13, 
MINERALS, PLANTS, &c. 
POST FREE. BIRD NESTING BOXES of various patterns. 
Being new subjects added during the past year. 
A LARGE STOCK OF INSECTS, BIRDS' EGGS AND SKINS. 
British Flora, British Birds, 
SPECIALITY.—Objects for Nature Study, 
Commercial Geography by Dr. Wilmore, Drawing Classes, &c. 
Geology, &c. 
Birds, Mammals, &e., Preserved and Mounted by First-class 
Workmen true to Nature. 
FLATTERS & GARNETT, Ltd., 
309 OXFORD ROAD ( ,» MANCHESTER. 
; 
; 
All Books and Publications (New and Second-hand) on Insects, 
Birds’ ds’ Eggs, &c., supplied. 
Opposite SM es 
University 
86 STRAND, LONDON, W.C. 
(Five Doors ‘am Charing Choa 
FOLL OATALOGUE POST FREE. 
TELESCOPES! 
THE TELESCOPE HOUSE ALL KINDS OF BRITISH AND FOREIGN 
With 100 Years’ Reputation. _ a 
FINEST Lowest paces | Mineral Specimens, 
QUALITY. IN THE WORLD. 
COMMON MINERAL ORES, and 
CHOICE CRYSTALLIZED SPECIMENS 
at ALL PRICES on view at 
RICHARDS’ SHOW ROOMS. 
PRICE LISTS FREE. 
48 Sydney Street, Fulham Road, South Kensington, London, S.W. 
NEW ILLUSTRATED CATALOGUE Post Free. 
Onty BROADHURST, CLARKSON & 1 ai ele 
Hororn 
ADDRESS : 63 FARRINGDON ROAD, LONDON, E.C. 2156. 
ROCK SECTIONS FOR THE MICROSCOPE 
New List of over 600 well cut Rock and Mineral 
Sections now ready, post free from 
JAMES R. GREGORY & CO., 
Mineralogists, Gc., 
139 FULHAM ROAD, SOUTH KENSINGTON, S.W. 
Telegrams: ‘‘ Meteorites, London.” Telephone: 2841 Western. 
LIVING SPECIMENS FOR 
THE MICROSCOPE. 
Volvox, Spirogyra, Desmids, Diatoms, Amceba, Arcella, Actinospherium, 
Vorticella, Stentor, Hydra, Floscularia, Stephanoceros, Melicerta, and many 
other specimens of Pond Life. Price 1s. per Tube, Post Free. Helix 
pomatia, Astacus, THOM Rana, Anodon, &c., for Dissection purposes. 
THOMAS BOLTON, 
25 BALSALL HEATH ROAD, BIRMINGHAM. 
Se ee eee 
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, Ampbhiporus, 
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. 
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. 
A Small Lot of the New and Rare Indian 
WEINE RAILS 
WINCHITE, TILASITE, 
and 
HOLLANDITE 
Now on Sale a 
RUSSELL pe era wr. 
THE DIRECTOR. 38 Gt. James Street, Bedford Row, London, W.C. 
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.” 
Aragon 2a To all Places Abroad :— ou ee ee 
Yearly aes ‘ion ot O Yearly bt: ith eG 
Half-yearly (26. Numbers) ce i ae 6: ealfsvcaciy (26. Numbers) 0 15 6 
Quarterly (13 Numbers)... = ae OR Quarterly (13 Numbers).. 0 80 
(A charge of 6d. is made for changing Scotch and Irish Cheaies) 
Cloth Cases for binding ‘‘ Nature” are issued at 1s. 6d. each, and can be sent post free for ls. 9d. 
NET puree cin: FOR ADVERTISEMENTS. 
One Sixth Page, or One Third Col. 
4 
First Two Lines in Column . Oo % ® 636 
0 Quarter Page, or Half a Column ... : = 2 
a reer o 
Per Line after.. ib 9 
One Sixteenth Page, or Eighth Col. 0 0 Half a Page, ora Selecon 
One Eighth Page, or Quarter Col.... 0 18 6 | Whole Page 
For the re-direction of replies to advts. a charge of 3d. per nave, is made. 
Cheques and Money Orders should be Crossed and made payable to MACMILLAN @ CO., Limited. 
OFFICE: ST. MARTIN’S STREET, LONDON, W.C. 
