No. 1.] ORIGIN OF HUMAN MONSTERS. 191 
Sections of this interesting specimen do not reveal very 
much, for the tissues do not stain well. The form of the 
organs and skeleton, with the exception of that of the extremi- 
ties, appears to be normal. However, the skin appears more 
fibrous than usual, being somewhat infiltrated with round 
cells. In the deformed extremities this infiltration is very 
pronounced and involves all of the structures of the hands 
and feet with the exception of the cartilages, forming 
syndactyly. 
No. 128. 
Ovum, 50° x 43 mm: embryo; C. IR: 20 mim. 
Dr. Lupton, Baltimore. 
The woman from whom this specimen was obtained is 
eighteen years old and has one child. The first recurring 
period after the birth of the child was on July 4, 1898; the 
second period, August 5; and the abortion on October 20. 
Fic. 128.—Embryo within the amnion and chorion covered with a delicate 
mass of fibrils and granules. Natural size. 
After the abortion the entire ovum was placed in water, and 
18 hours later was brought to the laboratory. It was a beau- 
tiful white specimen and I immediately placed it in formalin, 
in which it was opened at once. The water did not seem to 
have penetrated the ovum, as the embryo was not at all 
