FIG. 30. 



1. Pelican (toll palmate). 4. Kingfisher (syndactyle). 7. Duck (natatorial). 



2. Hawk (raptorial). 5. Ostrich (cursorial). 8. Grebe (lobate). 



3 Heron (wading). 6. Black Grouse (rasorial). 9. Parrot (zygodactyle). 



3". The claw of the middle toe, to show the "comb" along its inner edge. 



