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62 THE MICROSCOPE. het 
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imagine, have been prepared with very little expenditure of time and 
trouble, we cannot understand why Treasurer Mosgrove, who is also 
on the publication committee, should have neglected this very import- 
ant duty. 
THE YEAR Book or PHARMACY, With the Transactions of the British Pharma- 
ceutical Conference held at Bath, September, 1888. London: J. and 
A. Churchill, 1888, pp. 105. 
This really excellent work contains a very large number of 
abstracts of papers relating to pharmacy, materia medica and chem- 
istry, published between June, 1887, and July, 1888, which are of 
equal importance to pharmacist and physician. It isa valuable ready. 
reference book, giving the digested opinion of leading investigators 
in these departments in regard to the actual value of drugs and 
chemicals which have been added to the list during the past year. 
The transactions of the Pharmaceutical Society add greatly to the 
interest and usefulness of the volume. 
HatcaH EXPERIMENT STATION OF THE Mass. AGRICULTURAL COLLEGE. 
Bulletin No. 3. Jan., 1889. 
In this bulletin Dr. Charles H. Fernald has made a valuable 
summary of what is known in regard to tuberculosis, particularly in 
animals. 
COMPENDIUM OF THE LAWS RELATING TO PuBLIC HEALTH AND SAFETY 
OF THE STATE OF PENNSYLVANIA. Compiled for the State Board of 
Health. Harrisburg, 1888. 
Tue MicroscoPicaL STRUCTURES OF IRoN PyritrEs. By Alexis A. Julien, 
Ph. D. Reprint. 
ON THE VARIATION OF DECOMPOSITION IN THE [RON PyRITES, its cause and 
its relation to density. PartsIand Il. By Alexis A. Julien. Reprint. 
Tue Decay or THE Burtpine Stones or NEw York Crry. By Dr. Alexis 
A. Julien. Reprint. ) 
ON THE GroLocy oF GREAT Barrinaton, Mass. By Alexis A. Julien. 
Reprint. ; 
MINERAL AND THERMAL SPRINGS OF CALIFORNIA. By W. F. McNutt, 
M, D. Reprint. 
The Pope Manufacturing Company, of Boston, send us their 
Columbia Calendar for 1889. This consists of a pad, with dates, 
quotations and memoranda space, mounted on a neat, gilded stand. 
It is both serviceable and attractive. 
CORRESPONDENCE AND QUERIES. 
CORRESPONDENTS IN ANSWERING QUERIES WILL PLEASE REFER TO 
NUMBERS ONLY. 
6. (Ays.)—Place the slide on a turn-table, and, with a sharp- 
pointed knife, turn off the cement over and at the edge of the cover- 
