Effect of Aleohol and Anesthetics on Development. 377 
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Fig.9. A-section through the small defective eyes of an eight day embryo, after 
treatment with a4 per cent solution of etherinsea-water. The brainis narrow and 
poorly developed. ° 
Fig. 10. A section through the head of the embryo shown in fig. 8. Both of the 
eyes are small and defective with ill-fitting lenses and face in a ventral direction. 
Fig. 11. A section through the eyes of a monster commonly found in the alco- 
hol solutions. The eyes are joined beneath the bilateral brain and face ventrally. 
' Fie. 12. A section through the eyes of a normal thirteen day embryo. 
