ZOOLOGY AND BOTANY, MICROSCOPY, ETC. 
361 
stretching paraffin sections. It (fig. 72) consists of two parts m com- 
munication, one an open pan, the other a thermostatic box. To the lattei 
are fitted a Reichert’s regulator and a thermometer. The apparatus is 
filled with distilled water, which is heated to a suitable temperature. Into 
this the sections are dropped as they are cut off by the microtome. 
Fro. 72. 
(4) Staining: and Injecting-. 
Improvement in Mercury Injection Apparatus for Lymphatics.*— 
Dr. D. Gerota has made a considerable improvement in Sappey’s apparatus 
for injecting lymphatics with mercury (figs. 73, 74). By bending the top 
of the cock at a right angle, the instrument is much more easily worked 
and more under control, as the tap is now moved with the thumb instead 
* Anat. A nzeig., xii. (1896) pp. S5-8 (2 figs.). 
