FEBRUARY 26, 1914] 
MINERALOGY—CRYSTALLOGRAPHY— 
PETROGRAPHY— GEOLOGY. 
; : Ask for our new 
GENERAL CATALOGUE XVIII. 
y (2nd Edition) 
for the use of Middle and High Schools and Universities. 
Part I, 260 pages, 110 IIlustrations. 
q 
‘This catalogue has been prepared with the view of making an exhaustive 
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; compilation of all educational appliances for the teaching 
of Mineralogy and Geology {rom a scientific as well as from 
a practical pint of view. All the subjects are treated typically, and 
instructive specimens have been selected with the greatest care. A close 
examination of the catalogue will show, that owing to its careful compo- 
"sition it gives the opportunity of procuring the most complete outfit for the 
_ various schools for instruction m and the study of the subjects named, 
Catalogue No. 18, Part I, will be sent free on application. 
Part II will appear within the course of the year. 
(Collections and single specimens of Minerals and Fossils, 
Meteorites bought and exchanged.) 
} 
Dr. F. KRANTZ, 
NISH MINERAL OFFICE, BONN-ON-RHINE, GERMANY. 
Established 1833. Established 1833. 
METEORITES 
Meteorie Iron and Stones in all sizes and prices. 
Apply stating requirements, &c.. to 
JAMES R. GREGORY & CO.,, 
MINERALOGISTS, &c., 
139 FULHAM ROAD, SOUTH KENSINGTON, S.W. 
Telegrams: ‘‘ Meteorites,” London. Telephone: 2841. Western. 
LIVING SPECIMENS FOR 
| THE MICROSCOPE. 
| Volvox, Spirogyra, Desmids, Diatoms, Amceba, Arcella, Actinospbezrium, 
Worticella, Stentor, Hydra, Floscularia, Stephanoceros, Melicerta, and many 
other specimens of Pond Life. Price 1s. per ‘lube, Post Free. Helix 
*pomatia, Astacus, Amphioxus, Rana, Anodon, &c., for Dissection purposes. 
. 
| THOMAS BOLTON, 
25 BALSALL HEATH ROAD, BIRMINGIIAM. 
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, 
onium; Hormiphora (preserved); Leptoplana ; Lineus, 
Nereis, Aphrodite, Arenicola, Lanice, Terebella - 
"Gammarus, Ligia Mysis, Nebalia, Carcinus ; Patella, 
Pectens Bugula, Crisia, Pedicellina, Holothuria, Asterias, Echinus, 
‘Salpa (preserved), Scyllium, Raia, &c., &c. 
For prices and more detailed lists apply to 
Biological Laboratory, Plymouth. 
| RHE 
r 
Alcy- 
Ampbiporus, 
L+pas, Balanus, 
Buccinum, Eledone, 
THE DIRECTOR, 
munications to the Editor, 
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eclxvii 
WATKINS & DONCASTER. 
Naturalists and Manufacturers of 
CABINETS AND APPARATUS 
FOR COLLECTORS OF INSECTS, BIRDS' EGGS AND SKINS 
MINERALS, PLANTS, &c. 
BIRD NESTING BOXES of various patterns. 
SPECIALITY.—Objects for Nature Study, 
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86 STRAND, LONDON, wW.c. 
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GLASS BLOWING 
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66 HATTON GARDEN, LONDON, 
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ACTUAL MAKER of ALL KINDS of X Ray, Geissler and other 
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List sree. 
Sales by Euction. 
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» 
purchase of SCIENTIFIC AND ELECTRICAL APPARATUS, 
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and Miscellaneous Property. 
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Mr. J.C. STEWENS, 
38 KING STREET, COVENT GARDEN, LONDON, W.C. 
MINERALS. 
CHOICE AND RARE SPECIMENS 7 
FROM ALL PARTS of THE WORLD. 
Cheapest House in the line for Collections, Specimens, Blow- 
pipe Sets, Cabinets, Glass-Capped Boxes, Trays, &c., &c. 
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