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THE AMERICAN NATURALIST [Vol. L 



of special sense. Paralysis agitans is very common 

 among the F 1? F 2 and F 3 animals. Paralyzed limbs are 

 often observed, the animals being nnable to stand or 

 walk (Plates I and II). The eye is also a peculiarly sen- 

 sitive indicator and presents in the various descendants 

 of alcoholized individuals all degrees of degeneration— 



W 



absence of both eyeballs -anophthalmie monsters. P In 

 the latter case the extrinsic eye muscles, the third, fourth 



