304 MALL. [VoL. XIX. 
Fic. 311e——Section of the chorion, showing blood clots between the villi. 
Bie: 
<x 7% times. 
The umbilical cord is enlarged in its middle and is very 
thin at its attachment to the chorion, which is also atrophic 
at that point. Sections show that the center of the cord is 
fibrous and that the enlargement is due to the extreme mucoid 
degeneration of sides. Near its attachment to the body the 
cord is infiltrated with round cells and the intestine within 
the ccelom of the cord is irregular and gorged with them; the 
lumen of the intestine is destroyed entirely. 
The embryo is imbedded in the granular magma, and is 
normal in form. Within, however, most radical changes have 
taken place. The blood-vessels and heart are distended enor- 
mously with blood, and the tissues are gorged with round 
Fic. 311f.—Section of a villus which is invaded and partly destroyed by 
leucocytes. 
