No. 1.] ORIGIN OF HUMAN MONSTERS. 305 
cells. Liver, heart wall, intestine and mesenchyme are being 
destroyed. The precartilage is more sharply defined than in 
the normal embryo. ‘The spinal cord is dilated, the brain 
and eye nearly solid and the ear vesicle is destroyed. The 
ganglia and nerves are disintegrating. The epidermis is partly 
wanting, and in the head region the skin is studded with 
numerous papillomata. The face is adherent to the thorax. 
No. 312. 
Ovum, 25 x 15 xX 10 mm.; embryo, straightened and 8 mm. 
long. 
Dr. Stanton, Albany, N. Y. 
“Abortion followed a blow upon the abdomen.” One side 
of the ovum is very hemorrhagic and the other side thin. 
The villi are few in number, fibrous, without a syncytial cov- 
Fic. 312.—Solid ovum with embryo hanging from it. Enlarged nearly 2 
diameters. 
ering and possibly invaded by leucocytes. The main wall of 
the chorion appears to be necrotic. 
The embryo is straight, showing three gill arches and some 
myotomes. Its tissues do not stain well, but the spinal cord 
can still be outlined. The tissues appear to be infiltrated with 
round cells. 
No. 316. 
Embryo, C. R., 44 mm. 
Dr. Simms, Baltimore. | 
There are peculiar patches upon the skin, the cord is 
atrophic, feet and hands club-shaped and one hand is ad- 
