INTRODUCTION. 97 
(ftegulus cristatus) is a yet more attractive example of a very 
small group of but six species. 
There is a very lovely group of little blue and black Australian 
Birds which have a somewhat similar aspect to Wrens. Their 
fifteen species constitute the genus Malurus. 
Fig. 101, 

SRR, 
AUIS 
NUNS 
\ 



The Swallow (Hirundo rustica). 
With its small tail and shortish bill, the Wren may remind 
the reader of another lover of trees which resides with us all 
the year round. This is the Nuthatch (Sztta cesia), which is so 
noticeable for its habit of running up and down the trunks of 
H 
