II0 MALE: [Vor. XIX. 
Generally, in the rest of the embryos, the brain is solid, 
the spinal cord dilated, the blood-vessels more or less dis- 
tended with blood and the remaining organs and tissues pretty 
well dissociated. These changes are least marked in No. 297, 
which, however, is a pretty typical one. The outlines of the 
precartilages can still be made out, and some of the peripheral 
nerves are present. The lower jaw is disintegrating, which 
naturally brings the distended medulla closer to the midventral 
line of the head. All these changes are more pronounced in 
No. 340. The dissociation of the organs is here quite com- 
plete, with some indications of growth of the mesodermal 
tissue, including the precartilages. In the spinal cord there 
is a tendency toward regeneration, provided the curious 
bands of cells seen here indicate it. The dissociation of the 
larger blood-vessels is practically complete, but their outlines 
can still be seen, although many round cells fill the surround- 
ing tissue. This condition is practically completed in the 
embryo of specimen No. 275, in which but few of the tissues 
are recognizable. 
In specimens Nos. 104, 110 and 141 the destruction of the 
embryos is pretty well under way, showing what may be the 
fate of embryos of this sort. The details are much the same 
in the different specimens, and may be summed up in the 
words “more advanced.” That Nos. 110 and 141 are from 
the same woman about a year apart is especially noteworthy. 
The woman was suffering from leucorrhcea and in general 
the ova show the same changes within them. Nearly all of 
the villi have been destroyed, and the main walls are fleshy 
and are invaded by leucocytes. The embryos are dissociated 
and atrophied. That the process was slow is indicated by 
their menstrual ages. In one the amnion is destroyed entirely 
and in the other it is greatly dilated, nearly filling the entire 
cavity of the chorion. That two specimens coming from the 
same woman should show the same changes in them indi- 
cates that the cause of the trouble lies in the diseased condi- 
tion of the uterus. There are a number of other specimens 
which corroborate this conclusion. 
