356 
NOTICES TO CORRESPONDENTS, | 
THE NORTHERN MICROSCOPIST. 
All communications should be 
addressed to Mr. George E. Davis, 
The Willows, Fallowfield, Manchester ; 
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 [. S§,—Unscrew the eye lens of the 
the writers, not necessarily for publica- 
tion, but as a guarantee of good faith. | jpn sharp focus. 
Cheques and money orders to be made 
payable to George E. Davis, the latter 
at the Manchester Chief Office. 
» J. W. G.—Thanks for the abstract 
H. A. (London)—We are afraid that 
chapters on detecting the adulteration 
in foods, &c., would consume more 
time than we can at present afford. 
J. P.—Send your objective into the 
Verification Department, and we will 
find out why it will not resolve JN. 
rhomboides. 
; . O.—Thanks for the specimens ; 
| we have sent them to an expert, and 
| will write you on receipt of his report. 
) 
' ocular until the micrometer lines are 
r 
| EXCHANGE COLUMN FoR 
| SLIDES AND RAW MATERIAL. 
of your paper. We will find room for | 
it next month. 
* H. A—You will 
any first rate stand 
name, 
hardly meet with 
at the price you 
C. C.—We have not his address, nor 
do we know where it 
except through an 
could be obtained, 
advertisement in 
some paper he is likely to see. 
hc A. ee plant is a Ranun- 
culus, and not the Frog-bit. Your " A a4 . 
plant is very common a the South of | Ross’ Patent Objectives, 44-inch of 80°. 
England, 
H. B. B.—The 
“‘slime” on the 
sides of canal banks is often rich in 
microscopic organisms. 
R. A. D.—We hope to have a series 
of articles upon the 
E. *G.—We can 
subject next year. 
supply you with 
some Nitella if you will send your 
address, which you have omitted. 
T.T. A.—Next y 
ear we intend call- 
ing our Journal ‘‘ The Microscopical 
News,” but we cannot alter the size as 
you suggest. It is now very handy for 
the bookshelf, and 
majority of our read 
alteration in size, 

we find that the 
ers are against any 
Communications not exceeding 24 words 
are inserted in this column /ree. cy must 
eck us before the lith ns ~ me 
changers 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, 


For SALE.—Ross, 1 Alargest binocu- 
lar microscope stand, Jackson model ; 
2 A, 1 C eye-pieces, with upright 
| cabinet. Price £24, cost £45. Also, 

Price £4; 1-1oth, price £6; 115th, 
| price £9. The two latter can be used 
dry or immersion: all like new. Ad- 
dress, Senex, Mr. Chapman, Chemist, 
Deansgate, Manchester. 
Prize MEDAL.— Anatomical and 
Pathological Sections in exchange for 
stained vegetable sections, leaves, &c. 
Also, Diatoms or offers.—Henry Vial, 
Crediton, 
WELL-MOUNTED SLIDES in ex- 
change for uncut tissues—injected and 
otherwise. —H. Vial, Crediton. 
QUANTITY Microscopic SLIDES 
and material for exchange.—Apply, F. 
S. Lyddon, 2, Oakland Villas, Red- 
land, Bristol. 


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