Suggestions 



These, by the way, are merely the best 

 times to go. Any period of the day, 

 from middle-March to the depths of sum- 

 mer, is sure to produce some results — - 

 though it is surprising how few birds can 

 be found after ten o^clock in the morning 

 when the extremely warm weather has 

 come. 



In that part of southern Pennsylvania 

 where I reside there lies immediately north 

 of my home a great stretch of open, roll- 

 ing country — broken into long valleys 

 garrisoned by splendid hills and traversed 

 by three fine streams of water, the Schuyl- 

 kill, the Perkiomen, and the Skippack — 

 which offers as fair and prolific a field of 

 observation in this study as anyone could 

 desire. Of course there are in the same 

 broad belt that takes in these streams, 

 and for hundreds of miles to the east 

 and west of it, other districts beyond 

 number just as rich — and equally attrac- 

 tive also to those in turn who count 

 them their own. 



However, in this of mine, and it is at 



[19] 



