334 MALL. [Vor. XIX. 
ated, too. The medulla has expanded towards the mouth. 
Heart and blood-vessels are distended and in many places the 
walls are destroyed and the blood cells extend into the sur- 
rounding tissues. This is very marked in the liver. The legs 
are filled with an even mass of round cells, 7. ¢., the tissues are 
dissociated. Some of the epidermis has fallen off. 
Fic. 344.—Photograph of the embryo attached to the chorion. > 2 times. 
No. 345. 
Ovum, 60 x 50 x 50 mm.; embryo, 19 mm. 
Professor Minot. 
The fleshy ovum is composed largely of decidua, in which 
are buried plugs of mucus, pus and necrotic villi of the 
chorion. The embryo is normal in shape. The tissues of the 
