354 Everard Home on the changes the egg undergoes 
Fig, 4. An egg , opened nine days after incubation. Natural 
size. 
Fig. 5. The same egg turned more to its right side, to 
show that at this period, neither the vesicular, nor the areolar 
membranes, yet enclose the whole yelk, nor is the albumen 
entirely absorbed. Natural size. 
Fig. 6. The embryo of the same egg, with a portion of 
the vesicular and areolar membranes, and their principal 
blood-vessels ; the amnion is opened as far as the vesicular 
adhesion admits. Magnified 2 diameters. 
Fig. 7. An egg, opened ten days after incubation. Natural 
size. 
Fig. 8. The same egg with the external half of the vesicle 
removed, showing the embryo distinctly in its amnion, and 
the inner half of the vesicle, with its blood-vessels covering 
the whole. Natural size. 
Fig. 9. The embryo of the same egg, with the amnion and 
the vesicle entirely removed, to show the opening in the 
abdomen, from which portions of the vesicular and areolar 
membranes and turns of the intestines are protruding ; the 
roots of the feathers are now visible. Magnified 2 diameters, 
Plate XXXVIII. 
Fig. 1. An egg, opened fourteen days after incubation. 
Natural size. 
Fig. 2. The same egg, with the external half of the vesicle 
removed, to show the embryo in its amnion, and that the yelk 
is not yet entirely enclosed by the areolar membrane. Na- 
tural size. 
Fig. 3. The embryo of the same egg ; its thorax and ab~ 
