$2 RAVEN. 
A fifth is pale greenish, striated and blotted with 
small blots all over. 
A sixth is pale olivaceous green, marked in a similar 
way. 
A seventh is dark dull olive brown, tinged with 
green darker and lighter all over. 
An eighth, the same, with very few marks. 
A ninth is dark greenish olive, with very many dots 
and irregular small blots. 
A tenth is dark yellowish green, with a few large 
blots. 
The young are generally fledged about the end of 
March, or beginning of April. 
