IV ‘“SERPENTARIIDAE eA aE 
having 
¢ been already noticed (p. 137), it only remains to discuss 
in detail the several familes comprised in the latter Sub-Order. 
Fam. Il. Serpentariidae.—This contains only Serpentarius 
secretarius, the African Secretary-Bird—now generally recognised 
as an Accipitrine form—which is most common in the south, 
Fic. 38.—Secretary-Bird. Serpentarius secretarius. x 4}. 
though extending northwards to the Gambia, Khartum, and 
Abyssinia. It was first accurately made known in 1769, from 
an example living in the menagerie of the Prince of Orange, by 
Vosmaer, who was told that at the Cape of Good Hope it was 
called “ Sagittarius,” or Archer, from its habit of striding like a 
bowman about to shoot, and that this name had been corrupted 
into “Secretarius.” Subsequently—about 1770—a pair was 
