PREFACE. ix 



going rapidly forward. These sexual attachments are frequently 

 formed before the arrival of the parties, and some doubtless exist 

 for several years. During its continuance the most perfect chas- 

 tity seems to be observed, each being wholly devoted to the other. 

 A spot is selected and mutually agreed on, for the site of their nest, 

 which is constructed by the joint labor and ingenuity of both. At 

 this interesting season how assiduous are their labours ! How pa- 

 tient does the zealous female sit, for days and weeks, while the 

 habitual love of activity, the charms of the season, and every ob- 

 ject around seem to tempt her away! And with what vigilance 

 does her faithful partner stand centinel on some pinnacle near the 

 spot, to guard her from surprise, and to enliven the tedious hours 

 with his cheerful and animated song! Visiting her in her confine- 

 ment, as an affectionate husband would a beloved wife, feeding her 

 from his mouth, and warbling to her in strains of soothing gratu- 

 lation! When the naked, feeble, and helpless brood first appear, 

 every sensation of affection becomes more exquisite, more ardent 

 and active. They are never left for a moment alone, one parent 

 usually watching their slumbers, while the other is in search of 

 food for their support. All night long, as well as during the cool 

 damps of morning, and on the appearance of the least inclemency 

 of weather, she covers them with her body to secure them from the 

 slightest cold. Should her mate fall by the cruelty of man, she 

 redoubles all her care; seems wholly engrossed by her charge; and 

 is herself their sole supporter, friend and protector. When at last 

 danger comes suddenly, her affection is never taken by surprise; 

 she instantly throws herself between them and the enemy, invites 



VOL. IV. c 



