218 
C. C. LYFORD 
Tlic vertebral column is double posteriorly from atlas, while 
the abdominal walls are continuous as far down as the umbilicus, 
which is single. The head is perfectly normal in appearance, 
though considerably enlarged in proportion to the body, as the 
entire foetus weighs only two and three-quarter pounds. 
1S|§§1§ 
SlStais 
Figure 1 
