| Rating | Solver | Clue |
|---|---|---|
| NEST | Bird structure | |
| HOMOLOGY | ... a man, the fore leg of a horse, the wing of a bird, and the fin of a fish, all these organs being modifications of one type of structure. ... | |
| HOMOGENY | ...en the fore limb of a mammal and the wing of a bird; but the right and left ventricles of the heart in both are only in homoplasy with each othe... |