MIDBRAIN AND THALAMUS OF NECTURUS 



343 



p.d.hyth. 

 p.vhyth. 



Fig. 57 Section from the opposite side of the same specimen as figure 56 

 and farther medial. The section is oblique to the sagittal plane, the rostral 

 and ventral parts being farther medial. Three components of the lateral fore- 

 brain bundle {f.lat.t.) can be distinguished: the tractus thalamo-frontalis an- 

 terior (tr.th.f.a.), the tractus strio-thalamicus it7:si.th.) ending in the pars ven- 

 tralis thalami, and the [tractus strio-tegmentalis (tr.st.t.) extending into the 

 cerebral peduncle. X 30 (ciiic, 3-2-6). 



THE JOURNAL OF COMPARATIVE NEUROLOGY, VOL. 28, NO. 2 



