266 MALL. [Vo. XIX. 
Fic. 275c.—Section of the head-end of the embryo, amnion and chorion. 
x 15 times. 
skin. In front of them there are two small bodies connected 
with the epidermis, which might pass for lenses, but are prob- 
ably changed olfactory pits. Ina number of places the tissues 
are fibrous. 
No. 276. 
Ovum, 70 x 35 x 35 mm.; embryo, 13.5 mm. 
Dr. Stanley;-Portiand=Me. 
Dr. Stanley writes that the time between the last menstrual 
period and abortion is 80 days. 
The walls of the chorion are partly infiltrated with blood 
and on one side is closely adherent to a fleshy mass—the de- 
cidua. Sections of these regions show that the decidua has 
large blood sinuses and numerous small abscesses in it. The 
villi of the chorion are imbedded in a mass of blood, are 
covered with a normal amount of syncytium, but in structure 
they are fibrous and devoid of blood-vessels. In addition, 
