304 



THE JACANA. 



gregate in flocks far beyond the average numbers frequenting 

 the neighbouring ineres or marshes. 



The third genus in this table comprises the Jacanas, a tribe 

 of Waders, or rather, we should say, walkers on the water ; 



Jacana walking OH Water- Plants. 



for, by means of their very long toes, they are enabled to walk 

 with ease over the large water-plants, whose leaves form a 



The Foot of the African Jacana. 



floor, as it were, over the surface. They are inhabitants of the 

 marshes of warm climates. 



The means of defence in some of this genus are very singular. 

 Thus, the Horned Screamer, of which we annex a plate, so 

 called from its peculiar, shrill, and piercing cry, and the long 

 horn upon its head, is abundantly supplied with spurs ; having, 



