FIG. 30. 



1. Pelican (tolipalmate). 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. 



