EXPLANATION OF PLATE XXVI. 
Fic. 1. Placenta of rabbit at eight days, with dilated glands, 2/7, and superjacent 
foetal ectoderm, ecto (X 125 diams.). 
Fic. 2. Rabbit’s uterus at nine days, transverse section of a swelling (X 7 diams.). 
Fic. 3. Portion of the placenta of Fig. 2 (X 445 diams.), to show the connective 
tissue, conn, the perivascular cells, ev.v, and the thickened endothelium, exdo, of the 
blood capillaries. 
Fic. 4. Portion of the periplacenta of Fig. 2 (X 175 diams.), to show the degen- 
eration of the epithelium, /.e/. 
