NO. 1451. BRAINS AND BRAIN PRESER VA TIVES—HRDLICKA. 



319 



Preservative: Sixty-five parts of 95 per cent alcohol and 35 parts of 3 per cent formalin. 

 [Condition of brain: Medium.] 



"Solution not changed. 6 At 6 c. c. per gram. 



[Brain weighed daily. Received June 16, 1905. Original weight, 96 grams.] 



At the end of 

 day. 



First 



Third 



Fourth 



Fifth 



Sixth 



Seventh 



Eighth" 



Ninth 



Tenth 



Eleventh 



Twelfth 



Thirteenth 



Fourteenth 



Fifteenth 



Sixteenth 



Seventeenth 



Eighteenth 



Nineteenth 



Twentieth 



Twenty-first 



Twenty-second . 

 Twenty-third ... 

 Twenty-fourth.. 

 Twenty-fifth .... 

 Twenty-sixth ... 

 Twenty-seventh 



Absolute 

 weight. 



Grams. 

 97.5 

 94.0 

 92.5 

 92. 5 

 92.0 

 91.5 

 91.5 

 91.7 

 91.5 

 92.0 

 91.5 

 91.0 

 91.5 

 91.0 

 91.0 

 91.5 

 91.0 

 91. 5 

 91.5 

 91.5 

 91.5 

 91.8 

 91.0 

 91.5 

 91.5 

 91.5 



Per cent 



of 

 original 

 weight. 



101. 56 

 97.91 

 96.35 

 96. 35 

 95. S3 

 95.31 



• 95. 31 

 95. .52 

 95. 31 

 95. 83 

 95. 31 

 94.79 

 95. 31 

 94.79 



94. 79 

 95. 31 

 94.79 

 95. 31 

 95.31 

 95. 31 

 95. 31 

 95. 63 

 94.79 



95. 31 

 95.31 

 95. 31 



Change in 

 percentage 

 of original 



weight 

 from day 



to day. 



+ 



+1.56 

 -3.65 

 --1.56 

 ± .00 



- .52 



- .52 

 i .00 



21 

 21 

 -I- .52 



- .52 

 -- .52 

 + .52 



- .52 

 ± .00 

 + .52 



- ..52 

 -f .52 

 4- .00 

 ± .00 

 ± .00 

 + .32 



- .84 

 + .52 

 ± .00 

 db .00 



At the end of 

 day. 



Twenty-eighth 

 Twenty-ninth 



Thirtieth 



Thirty-flrst".. 



Thirty-second 



Thirty-third : . 



Thirtv-fourth. 



Thirty-fifth..: 



Thirty -sixth.. 



Thirty-seventh 



Thirty-eighth 



Thirty-ninth 



Fortieth 



Porty-fir.st . . . 



Forty-second 



Forty-third.. 



Forty-fourth. 



Forty-fifth . . . 



Forty-sixth . . 



Forty-seventli 



Forty-eighth 



Fortv-ninth 



Fiftieth 



Fifty-first . . . 

 Sixty-first. .. 

 Sixty-seventh 



Absolute 

 weight. 



Grams. 

 91.5 

 91.5 

 92.0 

 91.5 

 91.5 

 91.5 

 91.0 

 91.5 

 91.5 

 91.5 

 91.0 

 91.0 

 91.5 

 91.0 

 91.0 

 91.0 

 91.0 

 91.5 

 91.5 

 91.0 

 91.0 

 91.0 

 91.0 

 91.0 

 91.5 

 91.0 



Per cent 



of 

 original 

 weight. 



95. 81 

 95.31 

 95.83 

 95.31 

 95.31 

 95. 31 

 94. 79 

 95.31 

 95.31 

 95.31 

 94.79 

 94.79 

 95. 31 

 94.79 

 94.79 

 94.79 

 94.79 

 95. 31 

 95. 31 

 94.79 

 94.79 

 94.79 

 94.79 

 94.79 

 95.31 

 94.79 



Change in 

 percentage 

 of original 



weight 

 from day 



to day. 



±0.00 

 ± .00 

 + .52 



- .52 

 ± .00 

 ± .00 



- .52 

 -t- .52 

 ± .00 

 ± .00 



- .52 

 ± .00 

 + .52 



- .52 

 ± .00 

 ± .00 

 + .00 



52 

 00 



- .52 

 ± .00 

 ± .00 

 ± .00 

 ± .00 

 + .52 



- .52 



+ 



a Change of solution. 



