52 THE NORTHERN MICROSCOPIST. 

NOTICES TO CORRESPONDENTS. 
All communications should be ad- 
dressed to the Editor, Mr. George E. 
Davis, Dagmar Villa, Heaton Chapel, 
Stockport ; and matter intended for 
publication must reach us not later than 
the 14th of the month. 
All communications must be accom- 
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the writers, not necessarily for publica- 
tion, but as a guarantee of good faith. 
Cheques and money orders to be made 
payable to George E. Davis, the latter 
at the Manchester Chief Office. 


J. C. T.—Proceedings too late for 
this issue. 
W. R.—The account of last meeting 
crowded out. 
J. R.—You do not give date of last 
meeting. 
S. S.—The fungus is Aspergzllus 
glaucus ; it is very common. 
W. L. E.—It would not be possible 
to start another department such as 
you suggest. Our time is already fully 
occupied. 
A. A.—The Ross-Zentmayer stand 
is perfectly steady. If too expensive 
for you, why not try their ‘‘ Brewer’s 
Stand ” ? 
D. H. B.—Cobbold’s £xtozoa ; 
Schneider’s Vematoden, with 22 plates 
and 130 figures in text; and Wagener’s 
Cestoden, with 22 plates, would suit you. 
There are several American. Micros- 
copical Journals. You should apply 
to Mr. W. P. Collins, whose address 
may be found in our advertising 
columns. 
H. H. C.—There is only one way of 
getting the information you require— 
Study. 
B. B.—It would be now too late to 
attempt to found a Society this season. 
Reserve your efforts till August or 
September, and commence then. We 
shall have an article upon the subject 
about that time. 

EXCHANGE COLUMN FOR 
SLIDES AND RAW MATERIAL. 
Communications not exceeding 24 words 
are inserted in thiscolumn free. ‘hey must 



reach us before the 14th of each month, 
Exchangers may adopt a nom-de-plume under 
care of the Editor, but in this case all replies 
must be accompanied with a penny stamp 
for each letter to cover postage, 
SEA-WATER.—I shall be glad to 
supply my subscribers gratis with 
materials for making sea-water for 
keeping Marine objects.\—E. WADE 
WILTON, Northfield Villas, Leeds. 
WANTED, Diatom material, mounted 
or unmounted parasites, for Anatomical 
and~ Pathological Slides, Sections or 
materials. —D. H. BARLEY, 10, Cam- 
bridge Street, Newcastle-on-Tyne. 
SECTIONS OF LIME tree or Cedar of 
Lebanon, double stained, well mounted, 
in exchange for general slides. Botan- 
ical preferred.—244, Waterloo Street, 
Bolton. 
DratToms.— Remarkably pure gather- 
ing Gomphonema geminatum. Sample 
tube sent for three good slides, or 
exchange for good material. —M. 
MITCHELL, Mansfield Place, Edin~ 
burgh. 

SALE COLUMN FOR APPARATUS, 
BOOKS, Erc. 

Advertisements in this column are inserted 
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All Advertisements intended for insertion. 
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LIVING OBJECTS for the Microscope. 
I shall be glad to arrange with collec- 
tors for supplies of good objects. —E. 
W. WILTON, Northfield Villas, Leeds. 
HELIOSTAT.—Beautifully finished, 
all brass, new and unused, ten inches. 
square, double adjustments, mirror 6 x 
15, weight 12 Tbs. Worth £5, for 4os., 
or exchange Scientific Apparatus.—J. 
LILLIE MITCHELL, 6, Mansfield Place, 
- Edinburgh. 
WANTED, 12 Nos. of the Northern 
Microscopist and Postage, for 12 out-of- 
print numbers of the English Mechanic. 
Enclosed addressed post card for reply. 
—WHITMARSH, Wilton. 

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