No. 1.] ORIGIN OF HUMAN MONSTERS. 333 
; 
Fic. 343d.—Section of the point of juncture of cord, amnion, chorion, 
villi and decidua. XX about 20 times. 
} 
are distorted villi with fibrous mesoderm. The amnion is in 
contact with the chorion. Between the villi there is a stringy 
mucoid mass rich in leucocytes. 
The stumpy embryo is attached by means of a fibrous um- 
bilical cord. Its tissues are dissociated and infiltrated with 
round cells; the blood-vessels and heart are greatly distended 
with blood. The liver is necrotic. In front of the head the 
tissue is broken away, leaving a pocket which contained the 
fore-brain. Above this the brain protrudes. The cord and 
fourth ventricle are distended and dissociated. The epiderniis 
is intact. 
No. 344. 
Ovum, 45 x 45 x 45 mm.; embryo, C.R., 16 mm. 
Professor Minot. 
The wall of the chorion is very thin, with a few fibrous 
villi scattered over it. It contains no blood-vessels. The 
long thin umbilical cord is fibrous and shows remnants of 
blood-vessels. 
~The embryo has a rounded head and stumpy legs. Its 
tissues are dissociated, the brain being distended and macer- 
