DUCTLESS GLANDS IN THE CHICK. 
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tained in it. The spleen is seen near to its distal end with blood-vessels 
ramifying in its substance ; no branches being derived from the vessel 
which runs along its inner side. From a chick at the eighth day. 
PLATE XXII. 
Fig. 8. The Wolffian bodies, with the diminutive and elongated ovaries lying upon 
them, are represented as observed in an embryo chick on the fifth day. 
W. Wolffian bodies. O. Ovaries. 
Fig. 9. The same parts are represented as they are observed on the seventh day. 
The supra-renal glands are observed lying at their upper and inner mar- 
gins, one on each side of the aorta and above the ovaries. S. Supra-renal 
glands. 
Fig. 10. The same parts as observed on the tenth day. The ovaries now approach 
nearer to the supra-renal glands ; the left one just overlapping the lower 
end of the corresponding gland. 
Fig. 1 1. In this figure are represented the kidneys, Wolffian bodies, ovaries and right 
supra-renal gland from an embryo chiek at the fourteenth day. The left 
supra-renal gland is covered over by the left ovary. 
Fig. 12. The same parts as observed in the chick on the eighteenth day. 
