420 



Harris Hawthorne Wilder 



Median Double Eye 

 Everted Brain 

 Right Eye of A 



Median 



fj^ ^^Y ivieaian 

 ^ .'^Double Eye 



Fig. 30a 



Fig. 30. Sketches of Teras XII, the double snouted pig. Note especially 

 the everted brain, the median eye, the two throat bells, and the angle of 

 divergence of the two snouts. 



(a) Half-side view. 



(b) Dorsal view. 



(c) Ventral view. 



