[ 5°o ] 
was injcded, but the Heart and Vefiels were not: 
fo that it is probable this Vein was diftributed no 
farther than the Liver, and had no c Dutfus veno- 
Jus that pafs’d to the Cava and Heart. 
L , The umbilical Vein of the Subject B, which 
received a large Branch of the umbilical. Vein of 
the Subjed^: and which Branch feemed to fupply 
the Place of the venal Dud, that was wanting. 
Having thrown in the Injedion through this 
Vein L, the Heart and Veflels of the two Sub- 
jects were injeded. 
MM, The Orifices of the umbilical Arteries, which 
were but two in Number, one for each Subject ; 
the one and the other iffuing from the right Iliac 
of each Subjed. 
N 9 The Openings of the XJrachi > which were very 
large. 
Tab. II. Fig, y. 
The other Side or View of this Monfter, wherein 
the Subjed A is to the right s the Subjed B to 
the left. 
a , The Thymus of each Subjed. 
b , The right Auricle of the Subjed A . 
c, The left Auricle of the Subject B, 
d , The fuperior Aorta of the fame. 
e, Its pulmonary Artery. 
fy The Canalis arteriofus , which here had the fame 
Structure that all Foetus s of nine Months or 
more ufually have. 
g, Its inferior Aorta, 
hh. The inferior Vena cava of each Subject. 
/, The 
