ai, 
4°94 
Zoe Cor str. 
“4 & fy lar | 
‘dl Cortr. med. 
- a | 
4 | 
ei -iagunnns mien 
rer eenstenr iment 
Te. pl. ch. a 
vent. lat. 
Fig.31 Through the septum ependymale, just rostral to the lamina terminalis 
region. 
Fig.32 Through the di-telencephalic groove, showing the invagination of the 
plexus chorioideus ventriculi lateralis, with the taenia fornicis. 
Figs. 29 to 32. This series of reproductions through the forebrain was taken 
from embryo H 173, 19.1 mm., of the Chicago collection. This brain was cut 
transversely to the telencephalon. For the exact positions of these sections refer 
to figure 16. 20. 
141 
