No. 1.] HARDENING REAGENTS. 159 
TABLE 37.— Brain XI. 
Female. Age, 40 years. Death from phthisis. In hardening fluid 15 hours 
after death. 21% solution of bichromate of potash. Encephalon subdivided as in 
Table 36, except that the cerebellum was entire. 
PERCENTAGE INCREASE. 
TimE.—Days. 
HEMISPHERES. CEREBELLUM. STEM. 
9 9.0 05.1 (c.) 07.7 
Shy) 21.0 14.9 27.1 
29.9 2737 (C:) 25.5 (c.) 
72: 27.6 18.5 24.6 
96 (c.) (c.) (c.) 
330 6 19.5 23.9 
532. 30.1 21.8 28.3 
Probably the fact that the cerebellum was not subdivided, is 
one reason why it did not increase more in weight. 
TABLE 38. — Brain III. 
Male. Age, 39 years. Death from phthisis. In hardening fluid 10 hours 
after death. 21% solution of bichromate of potash plus 1% of sodium sulphate. 
Encephalon completely subdivided. 
PERCENTAGE INCREASE. 
Time.— Days. 
HEMISPHERES. CEREBELLUM. STEM. 
0.9 3:0 4.1 Ze 
2.7 3.3 Fis2 12 
5:7 Fiek 12.0 6.9 
9.8 8.6 10.9 7.0 
13.8 9.1 8.8 
18 (c:) (c.) (c.) 
32 . 8.5 6.3 
vst We 9.8 5-9 
IIo. (c.) (c.) (c.) 
342. 8.3 9.5 
Ghz: po 13.1 10.8 
By an oversight, the sodium sulphate in the solution used 
on the sheep’s brain was only }% instead of 1%, so that these 
