94 



ELEMENTS OF OENITHOLOGT. 



(Coracias garrula, fig. 100), which tumbles in the air somewhat 

 like a Tumbler-pigeon, is a very handsome bird which is common 

 in the South of Europe, and occasionally visits England. It is 

 the type of a group. of bright-coloured Birds which extend south- 

 wards to Australia, the Malayan region, and Madagascar, but 



Fig. 97. 



The Hoatzin (Opisthocomus cristatus). 



are absent from the New World. There are twenty-four species 

 in the family. An allied form from Madagascar, called the 

 Cyrombo {Leptosoma discolor), has a similar tumbling habit and 

 a peculiar condition of the nostrils. 



That very familiar Bird the House-martin {CheUdon urUca) 



