THE MICROSCOPE IN CHEMISTRY. 



105 



Cysto lutein, or the yellow fluid of an ovarian cyst, 

 shows with the lime-lio;ht three bands in blue, in the 



A a Ji 



H IT 



Chloroform Solution of Corpora Lutea. 



same position as the chloroform solution of lutein (Fig. 

 64). 



The serum of blood, etc., shows the bands of hsemato- 



A a B C 



Cysto-Luteiu from au Ovarian Cyst. 



crystalline and one or two doubtful bands, as in the figure 

 (Fig. 65). 



Dr. Richardson, of Philadelphia, gives the following 

 directions for examining blood-stains: Procure a glass 

 slide with a circular excavation, and moisten the edges 

 of the cavity with a small drop of diluted glycerin. Lay 



A a B C 



Sero-Lutein. 



a clean glass cover, a little larger than the excavation, on 

 white paper, .and put on it the smallest visible fragment 

 of blood-clot. "With a needle, put on the centre of the 

 cover a speck of glycerin, not larger than a full stop (.), 



