350 MALL. [Vor. XIX. 
No. 367. 
Ovum, 10 x 7 xX 5 mm. 
Professor Broédel, Baltimore. 
The ovum from a tubal pregnancy came to me unopened 
and with some adhering cells and blood clot it was cut into 
serial sections. The chorion was found to be torn on one 
side, but its interior is packed with a dense reticular magma. 
No trace of an embryo was found. 
Vili 
Corpus Luteum 
Fic. 367a—Ovary and tube, clot within and ovum. Natural size. 
The mesoderm of the main wall of the chorion is of normal 
thickness, but on the side towards the ccelom it is not sharply 
defined. Frequently strands of cells are found partly sepa- 
rated and running out into the magma. The tissue of the 
mesoderm of the villi is not as clearly defined as in normal 
