MIDBRAIN AND THALAMUS OF NECTURUS 



317 



Fig. 24 Through the tuberculum posterius. Two neurons of the nucleus of 

 the tuberculum posterius (nuc.tiib.p.) are impregnated and, farther dorsally, 

 a neuron of the stratum album of the motor tegmentum (m.n.). The locations 

 of some of the fiber tracts are indicated and also free terminals from the acous- 

 tico-lateral and spinal lemnisci in the neuropil of the tectum opticum (col. sup.). 

 X 74 (cvic, 181). 



