vi SCIENCE-GOSSI/P. 
ee 
SEND FOR OUR 
New Illustrated Catalogue 
OF 
MICROSCOPES 
And Apparatus 
POST FREE. 
SLIDE LENDING DEPARTMENT. 
Particulars Post Free. 
A large Stock of Second-hand Microscopes, by all the 
best makers always on hand, List on application. 
Cc. BAKER, Established 1765, 
244, High Holborn, LONDON, W.C. 
JAMES {SWIFT & SON, 
Manufacturing Opticians 
gin. Apochromatic Oil 
~Imm., N.A. 1.40 .. a7 8 8 © 
Apochromatic Oil 
A. 1.30 .. ce & 
chromat. N.A.0.95 6 
Oil Immersion Substage 
a Condenser Combination, 
NAY N.A. 1.40 a5 Be 
KS i Ditto ditto N.A. 1.30 
il Oil Imm. Pan-Aplanatic 
on 
oo 
Condenser, N.A. 1.35 
nea . 41 
Na. i Ditto ditto. N.A.100 21 
v ci l Students’ Microscopes fitted with 
i aa 4 and 4, first series Iris Diaphragm, 
and one Ocular in Mahogany Cabinet, 
from £5 5s. 
Catalogues on application. 
COURT ROAD, W. 
(ooo) 
0.0 
0 O 
(oe) 
NP ON 
TA 
sl, TOTTENHAM 
MINERALS, ROCKS & FOSSILS. 
Collections for Students. 
Carefully labelled and arranged in Boxes with Card Trays. 
50 Minerals, 12s. 6d. ; 100 do., 21s. ; 200 do., 42s. 
Rocks and Fossils at similar prices. 
300 Minerals in Cabinet, £4 4s. ; 400 do. £5 12s. 6d. 
Catalogues Post Free. 
THOMAS D. RUSSELL, 
78, NEWGATE STREET, LONDON, E.C. 
TO GEOLOGISTS. 
“Sixth Year of Distribution.” 
TYPICAL COLLECTIONS FROM FAMED 
BARTON SERIES 
(MIDDLE EOCENE) 
‘30 Varieties, over 100 Specimens tn each Series, boxed, named and 
localized. 
Series No. 1, Barton Mollusca, by parcels post, on receipt of 
postal order, 3s. 
Series No. 2, Barton Rarer. \ Subscribers’ names received. 
Series No. 3, Barton Rarest. \ Payment on delivery. Orders 
Including Mollusca, from the ( for Series 2 and 3 executed in 
Oligocene, Hordwell, Hants. / rotation at 8s. each. 
R. CHARLES, Naturalist, Higheliffe-on-Sea, 
Christchurch, Hants. 
N.B.—These Collections have been highly appreciated in 
Great Britain and France. 
MASON’ MICROSCOPICAL 
PREPARATIONS. 
Series of 9 doubly stained Botanical Sections ; 6 Insect Dissections ; 
18 Miscellaneous objects. 1/1 per Series. Quality Guaranteed. 
All beginners should read ‘* Practical Hints on Mounting,” 6d. 
Mason’s S.W.” Series Mounted Specimens for Students, 
12 objects in handsome case, lying flat, 10/6, cheapest and best. 
R. G, MASON (janes SWirr), 69, Park Rd., Clapham, S.W. 
Microscopical & Lantern Slides. 
Illustrative of every department of 
ZOOLOGY, 
BOTANY 
AND 
GEOLOGY, 
AT THE UNIFORM RATE OF 
PER 6S. Poz. 
The Student’s Series of 48 Preparations 
in Elementary and Advanced BOTANY, sent out 
packed in rack boxes at £1 Is. net, post free. This 
Series contains fourteen TyPE PREPARATIONS, 
which can only be supplied separately at Is. to 
Is. 6d. per slide. 
Stem Structure, Leaf Structure, Floral Structure, 
Ovaries, Fruits, Seeds, Plant Hairs, Scales and 
Glands, 6s. per dozen. 
TYPE SLIDE PREPARATIONS of the Mouse, the 
Newt, the Earth Worm, Peripatus, Cerianthus and 
Alcyonium, Is. to 1s. 6d. per Slide. 
Set Slides of Foraminifera, 9d. to Is. per Slide. 
Sections of Cotton, Flax, Hemp, Jute, China Grass, 
Wool and Silk, &c., at 1s. per Slide. 
The PHARMACEUTICAL SERIES of Microscopical Studies 
in Elementary and Advanced Botany, comprising 48 
preparations, are published to meet the requirements of 
Pharmaceutical Teachers and Students, and are sent 
packed in rack-box, price 21s. post free. 
MICROSCOPICAL AND LANTERN SLIDE 
CIRCULATING LIBRARY. 
Slides to the number of 300 per year, supplied 
in sets as required by subscribers, will be sent, post 
paid, for the Annual Subscription of I Is. 
payable in advance. 
The slides will be sent one or two days prior to 
the day of the lecture or exhibition, and must be 
returned ¢he day following the lecture, post paid. 
Special post boxes will be provided for this 
purpose, which will obviate the usual trouble of 
packing. 
The whole of my very extensive stock will be at 
the disposal of subscribers and Lists of Additions 
to it will be sent from time to time. 
ABRAHAM FLATTERS, 
16 &18, Church Road, Longsight, 
MANCHESTER. 
Preparer of Textile Fibres and Demonstrator in 
Microscopy to the Manchester Municipal 
Technical School. 
i Send for Lists, Kon, free per post, 
