G78 
SUMMARY OF CURRENT RESEARCHES RELATING TO 
which in some respects is similar to tho slide devised by Dr. C. J. Cori, 
and figured in the last number of this Journal (p. 579). The advantage 
of an aluminium slide over the brass one of Cori is that it can be used 
in staining sections on the object-holder. 
The slide, seen in fig. 100, is of the English shape, and in its thickest 
part is not more than 3 mm. thick. The aperture in tho centre is suffi- 
ciently large to take a cover-glass of 20 X 30 mm. The object-plate is slid 
in from the side along grooves in the sides of the aperture, and can be 
fixed in position by inserting small pegs in two holes on opposite sides 
of tho aperture. 
New Cover-Glass Clip.* — Herr D. C. Wessel uses a new form of clip 
for picking up cover-glasses in blocd investigations. It consists of a cross- 
wise spring clip, the two ends of which are provided with small plates 
12 mm. long and 2 mm. broad. The lower plate is quite thin so that 
it can be easily pushed under the glass, while it has a raised piece 
1 • 5 mm. from the edge against which the cover-glass stops. 
Simple Arrangement for Drawing Microscopic Preparations 
under very low Magnifications.f — Hr. 0. Kaiser describes a simple 
* Zeitsclir. f. wiss. Mikr., xiii. (1896) pp. 184-5. t Tom. cit., pp. 163-6. 
