TrTThh.c.p. 



trTi.lh.hc.p. 



com cb. 



seen; these are probably commissural fibers from the opposite tectmn. The trac- 

 tus tecto-thalamicus et hypothalamicus cruciatus anterior {tr.t.th.h.c.a) joins the 

 optic tract farther ventrally. It exhibits some free endings in the pars intercala- 

 ris diencephali. Medially of it are a few scattered fibers (tr.t.hab. on the right 

 side) which branch freely and send some collaterals across the meson in the com- 

 missura tecti diencephali {com.t.d.). X 30 (cviic, 4). 



325 



