502 MICROSCOPY. 
hours, and finally flattened by gentle pressure in a compressorium 
for a few hours more until it is sufficiently thin to be examined by 
a ith inch objective. It is also advised to soak an entire tooth for 
a few weeks in the carmine staining fluid, then decalcify it by 
immersion in hydrochloric acid, and cut thin slices through the 
whole which will show the pulp and decalcified osseous tissuein 
their natural relation to each other. 
Thus studied, the “ nerve” appears to be a mass of areolar or 
connective tissue, through which ramify the nerve, vein, and 
artery. It not only constitutes a very delicate sensory organ, 
but originally was the means of building up the dentine; and 
even in adult life performs an important part in sustaining the 
vitality of the tooth, and is capable under certain stimulating 
influences of developing dentine again. [The unsatisfactory 
nature of a tooth whose “nerve” has been “killed” would seem 
to be confirmed and explained by these views of its functions. ] 
mended by Mr. Beale, washed, soaked in glycerine for a few 
| 
pager Ser 
Misyamixne Opsectives.—[Although the controversial part of ; 
this question has occupied too much time already, we publish the 
following note from Mr. Stodder who seems entitled to an oppor 
tunity to correct the idea that his having previously written ov® 
initials implied an unwillingness to assume full responsibility for 
his statement. The editors of- this Journal are not responsi 
for anything credited either by name or initials to any sas 
authority.—Eps. ] The brief remarks of mine, printed over thai 
tials C. S. in the March number of this Journal, were copied amm = 
tially in the “ Monthly Microscopical Journal” for April. In the : 
May number of that periodical Mr. Wenham writes a reply. ne fe 
aremarkable paper not only from the eminence of the writer, a8 
authority on microscopy, but from his evident loss of temper ®” 
by the terms to which he refers to Mr. Bicknell and to C. $- 
these circumstances I must ask for a little space for aTa ‘abe 
to my share; I have nothing to say for Mr. Bicknell as he 18 * F 
to take care of himself. soi 
Mr. Wenham commences his paper which he calls a 5 
with this, —“ to correct a misstatement that I [Mr. wm 
paper in reply to one of Mr. Bicknell’s; I did not commit t 
to such an extent.” This is a mere quibble, unworthy ' a 
author. The very caption of the paper had Mr. Bickn ee ae 
