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Harris Hawthorne Wilder 



latter on the left with reference to each other. The two are thus in 

 contact by their lateral or external sides, a position which will readily 

 explain the relationships of the associated parts. The optical axes of the 

 two converge towards the mid-line of the monster taken as a whole, a 



A 



B 



Fig. 29. Diagram of the double brain and tlie inner eyes, seen Ironi the 

 side. The median cranial nerA'es are also shown, but the lateral ones, which 

 are located as in the normal embryo, are left out. The two hemispheres of 

 the nearest component (B) are in part removed, in order to show the 

 median parts. 



This sketch was drawn in part from the model of the brain, but is also in 

 part the result of the interpretation of the sections, without modeling. 



condition noted also in the imperfect face of Janus monsters and in the 

 compound double eye of the next monster to be described (Teras XII). 



Each eyeball is supplied with a full set of intrinsic muscles, which 

 include the four recti, the two obliqui, and the retractor bulbi, but there 

 is as yet no levator palpebr», a condition found also in the more normally 



