820 



PROCEEDISGS OF THE XATIOXAL MUSEUM. 



Sodium acetate {fused) 130 grams; sodium chloride, 110 (/rams; formalin, 20 c. c; 95 per 

 cent alcohol, 4')0 c. c; water, 540 c. c {3 c. c. 2>er gram). 



[Condition of brain: Medium.] 



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



[Brain weighed diiily. Received .Iune27, 1905. Original weight, 100.8 grams.] 



At the end 

 dav. 



First 



Second 



Third 



Fourth 



Fifth 



Sixth 



Seventh" 



Kighth 



Ninth 



Tenth 



Eleventh 



Twelfth 



Thirteenth 



Fourteenth 



Fifteenth 



Sixteenth 



Seventeenth 



Eighteenth 



Nineteenth 



Twentieth 



Twenty-first 



Twentv-second . 

 Twentv-third ... 

 TwentV-fdurth.. 



Twenty-fifth 



Twenty-sixth ... 



Per cent 

 Absolute I of 

 weight, original 



weight. 



Gravis. 

 90.5 



87.5 

 86. 5 

 86.5 

 86.5 

 85. 5 

 86.0 

 86.5 

 86.6 

 87.0 

 87.0 

 87.0 

 87.0 

 86.5 

 86.5 

 K7.0 

 87.0 

 87.0 

 87.5 

 87.0 

 87.5 

 87.5 

 87.3 

 87.5 

 87.0 

 87.5 



89.78 

 86.81 

 85.81 

 85. 81 

 85. 81 

 84.82 

 85. 31 

 83.81 

 85. 81 

 86.31 

 86.31 

 86.31 

 86.31 

 85. 81 

 85.81 

 86. 31 

 86.31 

 86.31 

 86.81 

 86.31 

 86.81 

 86.81 

 86.61 

 86.81 

 86.31 

 86.81 



Change in 

 percentage 

 of original 



weight 

 from day 



to day. 



10.22 



- 2.97 

 1.00 



- .00 

 = .00 



- .99 



- .49 



- .50 



- .00 



- .50 



- .00 



- .00 



- .00 



.50 



.00 



.50 ' 



.00 



.00 



.50 I 



.50 I 



.60 i 



.00 I 



.20 



.20 



.50 



+ .50 



+ 



+ 



+ 



.\t the end of 

 dav. 



Absolute 

 weight. 



Twcnty-scvcntli. 

 Twenty-eighth .. 

 Twenty-ninth ... 



Thirtieth" 



Thirty-first 



Thirty-second ...! 



Thirtv-third 



Thirtv-fourth 



Tliirty-fiflh 



Thirt v-sixth 



Thirlv-sevcntli .. 

 Tliirty-eighth ... 



Thirt v-ninth 



Fortieth 



Forty-first 



Fi)rt\'-sec(ind 



Fi)rlv-thiril 



Ftirt'v-fdurth 



Fortv-lifth 



Fdrty-sixth 



Forty-seventh ... 



Forty-eighth 



Fortv-ninth 



Fiftieth 



Fifty-seventh 



Sixty-fourth 



Grams. 

 8v8.0 

 88.0 

 88.5 

 88.0 

 88.0 

 87.5 

 87.5 

 87.5 

 87.0 

 87.0 

 87.5 

 87.5 

 87. 5 

 87.5 

 87.5 

 87.5 

 87.5 

 87.5 

 87.0 

 87.5 

 87.5 

 87.5 

 87.5 

 88.0 

 88.0 

 88.5 



Change in 



Per cent I percentage 



of I of original 



original weight 



weight. I from day 



to dav. 



87.30 

 87.30 

 87.79 

 87.30 



87. 30 

 86.81 

 86.81 

 86.81 

 86.31 

 86.31 

 86.81 

 86.81 

 86.81 

 86.81 

 86. 81 

 86.81 

 86.81 

 86. 81 



86. 31 

 86.81 

 86.81 

 86.81 

 86.81 

 87.30 

 87.30 

 87.80 



+ 0.49 

 + .00 

 + .49 



- .49 

 + .00 



- .49 

 + .00 

 + .00 



- .50 

 + .00 

 + .5C 

 + .OC 

 + .00 

 + .00 

 + .00 

 + .00 

 + .00 

 + .00 



- .50 

 + .50 

 + .00 

 + .00 

 + .00 

 + .49 

 + .00 

 + .50 



« Change of solution. 



