FRANK R. LILLIE. 



tion. The amnion was very well distended, and attached round 

 the margins of the somatopleure at the hind-end. Behind this 



c 



FIG. 2. Three views of a defective embryo (experiment 125) with membranes 

 removed ; total age about six days. A, amnion ; /, ectopic intestine ; V, vitelline 

 artery and vein ; L, rudiment of hind limbs. 



