460 NATURAL HISTORY OF AFRICA. 
5. Vultur. Three species ; one peculiar, sind 
two in common with other countries. 
IV. — -Rasores, 
1. Numida, Guinea-fowl. Three species, all of 
which are peculiar to Africa. 
2. Tetrao, grouse. Five species ; four peculiar, 
and one in common with other countries. 
3. Perdix, partridge. Fourteen species ; eight 
peculiar, and six in common with other countries. 
4. Ortygis. Six species ; four peculiar, and 
two in common with other countries. 
5. Columba, pigeon. Sixteen species ; fifteen 
peculiar, and one in common with other countries. 
6. Didus. Only one species, and that peculiar 
to Africa. 
V. — -Cursores. 
1. Struthio, ostrich. One species, which is pe- 
culiar to r x frica and A sia. 
2. Otis, bustard. Six species ; five peculiar, and 
one in common with other countries. 
3. Charadrius, plover. Thirteen species; ten pe- 
culiar, and three in common with other countries. 
4. Himantopus. One species, which occurs 
also in other countries. 
VI. — Grallatores. 
1. Glareola. One species, which occurs also 
in other countries. 
