242 MALL. [Vov. XIX. 
cytium, decidua and pus. No doubt at its attachment to the 
uterus it received fresh blood into its center, while the leuco- 
cytes attacked it on its exterior. Most of the villi are encir- 
cled with fragmented leucocytes, which seem to have gained 
the upper hand. 
No. 243. 
Ovum, 30 x 20 x 10 mm. 
Professor Brodel, Baltimore. 
The specimen is pear-shaped with smooth thin walls, over 
which there are scattered a few thin villi. The whole speci- 
men was cut into serial sections and no trace of an embryo 
could be found. 
Fic. 243.—External view of ovum. Enlarged 2 diameters. 
No. 244. 
Embryo, 4 mm. long. 
From Dr. Kelly’s Sanatorium. Brodel Collection. 
The specimen is enclosed in the amnion, which measures 
25 x 15 X I5 mm. and is surrounded by a mass of granular 
magma. 
