35^ Sir Everard Home on the changes the egg undergoes , &c. 
Plate XLI. 
Fig. i. A chick, after being hatched 24 hours ; the thorax and 
abdomen opened, to show the natural position of the viscera 
and yelk ; the crop at that time is full of corn, and other food. 
Natural size. 
Fig. 2. The viscera of the same chick ; the heart turned 
upwards, and the two lobes of the liver laid aside, to show 
that the vena cava is a continuation of the vesicular vein, and 
terminates in the right auricle of the heart, after receiving the 
venae hepaticae. Magnified 2 diameters. 
The areolar vein terminates in the vena portarum, which 
is not seen in this view. 
Fig. 3. A posterior view of the gizzard and oesophagus, to 
show the origin of the duodenum, and the course of the in- 
testinal canal, of the same chick. Magnified 2 diameters. 
Fig. 4. An anterior view of the rectum, and colon, to show 
at A, where the great mass of the yelk has been cut off’. 
Magnified 2 diameters. 
