Tue MIcROSCOPE. 943 
when he said that Theory and Practice should be united in our 
meetings. 
Iam convinced that it is the intention of the Executive 
Committee to appoint a director of the Department more com- 
petent than I could possibly be under the circumstances, and if 
so, he shall have my hearty support. Let us be united in our 
good work, for “in union there is strength.” 
E. H. Grirritu. 
FAIRPORT, N. Y. 
GRIFFITH’S TURN TABLE. - 
A partially revolving disk is fitted into the center of the 
table. On the surface of the disk are two projecting studs. 
The slide is placed between the two pins and partially rotated 
against the spring, at the same time being pushed forward 
against a stop. The spring holds the slide firmly against a 
fourth pin. This arrangement is quick in its action and not 
liable to get out of order. 
HINTS ON TECHNIQUE. 
ay E of the most important things for the student of biology is 
an improved technique in his microscopical work, and ev- 
ery point which aids him in this line is a positive gain. The 
writer hopes that the hints here presented may help others over 
some of the points which sometimes prove stumbling blocks. 
One of the greatest advantages of fastening sections to the 
