PS ——— 
1904] BRIEFER ARTICLES 381 
of their branches. The dwarf trees of mountain tops have likewise a 
decidedly different appearance, so far as they have come within my observa- 
tion, and do not particularly resemble the Japanese products. 
I do not remember to have seen it suggested anywhere that the dwarf 
D5 
FIG. 3 
tr 
me S of Japan are essentially of seashore origin, but in v.ew of the little 
a 
ural forest on the coast of Vancouver, I think it very possible that this 
a 
ee exp'anation.—Conway MAcMILLan, University of Minnesota, 
nea pol 
CELLOIDIN TECHNIQUE: A REPLY. 
bing August number of the GAzETTE, Dr. CHARLES J. CHAMBERLAIN 
the mas Criticism of a recent contribution by Mr. A. B. PLOWMAN on 
of celloidin imbedding. As the account of the method was 
Dr etal Mr. Prowman at my suggestion, and the ‘Correction”’ of 
LAIN contains several misconceptions, I think it well to pub- 
teply. Dr. CHAMBERLAIN is unable to find anything new in 
yond the preliminary use of hydrofluoric acid. If so accom- 
lis shed a 
technician takes the trouble to reperuse the article in question, 
