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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- 
panied by the name and address of 
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. R. (Rochdale).—Your fungus is 
the Arcyria punicea, one of the 
Myxogasters. 
T. W. (Ashton).—The moss came 
to us too much damaged by the post 
to discover any fungus upon it. If you 
send us a slide, mounted, to show 
fungus 27 s¢¢z, we may be able to help 
you. From your description it would 
appear to be a species of Trichia. 
F. S. L. (Bristol). —Thanks for your 
letter. You may be sure we wish to 
do exactly as you indicate ; but above 
all it is necessary to consider the cost. 
J. C. (Leeds).—You should apply to 
Mr. Bolton, of Birmingham; he will 
be able to supply you with organisms 
illustrative of pond life. 
G. C. B. (Hull).—We may be able 
to give an article or two next year. 
About June would be the best time. 
EXCHANGE COLUMN FOR 
SLIDES AND RAW MATERIAL. 
Communications not exceeding 24 words 
are inserted in thiscolumn free. They 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, 
MATERIAL.—Wanted, Material and 
Slides; will give Books, Slides, &c., 
in return. F.S. Lyddon, of Oakland 
Villa, Redland, Bristol, 
SLIDES.—Well mounted Slides of 
Embyro Mussels, Santonine, Salicine, 
for other Slides of interest or un- 
mounted objects. George Calvert, 
Bacup. 
STAINED LEAVES, botanical and 
anatomical sections, echinodermata, 
micro-fungi, and all classes of micro- 
scopic objects. F. R. Martin, Clevedon. 
MICRO-SLIDES.—Marine algze, prin- 
cipally with diatoms 2 sz¢z, illustrating 
many species; also a varied and 
interesting collection of prepared 
material, mostly marine, for exchange. 
Wanted photo-apparatus or lantern 
slides. T. McGann, Burren, Co. Clare. 
GOMPHONEMA GEMINATUM. —A 
very pure gathering of this diatom (in 
spirit). A one ounce bottle exchanged 
for twelve best quality micro-slides. 
Sample tube for three good slides. 
J. Lillie Mitchell, 6, Mansfield Place, 
Edinbro’. 
VEGETABLETISSUES stained, and for- 
aminifera, all well mounted, for other 
good slides. J. Ford, Tettenhall, 
Wolverhampton. 
SALE AND EXCHANGE COLUMN 
FOR APPARATUS, BOOKS, Erc, 
Advertisements in this column are inserted 
at the rate 4d. for each 12 words or portions 
of twelve. 
Advertisers may adopt a non-de-plume 
under care of the Editor, but in this case all 
replies must be accompanied by a penny 
stamp for each letter, to cover postage. 
All Advertisements intended for insertion 
in this column must reach us before the 14th 
of each month. 
BINOCULAR MIcROoscoPE.—A good 
Binocular Microscope, mechanical 
stage, with pair of A eyepieces and 
one each B, C, and D, Selenite stage, 
Morris’ stage, Achromatic Condenser, 
Polariscope, Camera Lucida, double 
nose piece, Bull’s eye condenser; in 
Mahogany Cabinet, with 2 and 4 inch 
objective. Price £13. Approval. 
B. D., care of Editor NORTHERN 
MICROSCOPIST. 
IMMERSION OBJECTIVE.—A Splen- 
did one-fifteenth Immersion Objective, 
as good as new. What offers? B., 
care of Editor NORTHERN MICcROs- 
COPIST, 
