240 MALL. [VoL. XIX. 
No. 232. 
Ovum, 45 x 25 x 25 mm.; embryo, C. R:, 14 mm. 
Professor Brodel, Baltimore. 
Most of the chorion is devoid of villi except that imme- 
diately over the attachment of the cord, which appears to be 
normal. The villi of the chorion are somewhat fibrous, with 
Fic. 232a.—Entire ovum with villi on one end. Natural size. 
blood-vessels less numerous than usual, and are covered with 
a rich layer of syncytial cells. The amnion reaches the 
chorion. 
The embryo is atrophic and is imbedded in a mass of 
granular magma, in which there are numerous round cells. 
Fic. 232b.—Embryo within the chorion. 
