PLATE VI. 
Fig. 6. Section of a Portion of the Necrotic Zone of the Decidua, and of the Layer of 
Large Cells on its Inner Aspect. x 500 d. n.z., necrotic decidua; m.c., large, 
probably maternal, cells in various stages of degeneration, some lying free in the 
implantation cavity, others embedded in the necrotic tissue ; cav., blood-filled implanta¬ 
tion cavity. 
