10 -Paraphysis and the Pineal Region in Necturus Maculatus 
closely to the line O-D, Fig. 11. The section passes through the para- 
physes, P, and a large lateral tubule, and then through the entire length 
| veg | 
) LP lapse 
Fig. 14. Same Series as Fig. 13. Section 108. (See line #-F, Fig. 11.) 
of the diencephalic plexus, D. Plz., the distal end of which is here en- 
larged and has reached to the hind brain, H. B. Fig. 14 is of the same 
Fig. 15. Same as Fig. 11. X about 150 diams. 
series as Fig. 13, and corresponds approximately to the line #-F, Fig. 11. 
It passes through the telencephalic plexus, Tel. Pla., the plexus of the 
