^^Jj : \ 



' I I I I I M I I i~i 



0.1 Q2 Q3 04 05 06 07 Q8 09 10 H 12 13 1+ IS 16 IT 18 19 2.0 p"* 



Chart 5 Giving the corrected thickness of the cerebral cortex of the albino 

 rat in frontal section. Individual entries for the cortical thickness at localities 

 VII and VIII, and the average thickness of the cortex in the frontal section for 

 localities VI, VII and VIII are given. Based on table 7. o, Cortical thickness 

 at locality VII. Corrected*. X, Cortical thickness at locality VIII. Corrected. 

 •, Average thickness of the cortex in the frontal section. Corrected. 



01 02 03 04 Q5 06 Q7 



09 10 11 12 1.3 14 15 16 1,7 18 19 20 T'- 



Chart 6 Giving the average thickness of the cerebral cortex for each brain 

 weight group at localities VI, VII, VIII in the frontal section and also the average 

 thickness of the cortex at the three localities combined. Based on table 7. 



Cortical thickness at locality VI. Corrected. • — —Cortical thickness 



at locality VII. Corrected. • — • — • Cortical thickness at locality VIII. Cor- 

 rected. • "F Average thickness of the cortex in the frontal section for each 



brain weight group. Corrected. 



567 



