Practical ornithologists, however, who may take up this Handbook will see in it an attempt to supply a want which, not-understanding the admirable works above referred to, they must have frequently experienced for in two important respects, at least, if these fail to satisfy their requirements the do not distinguish with sufficient clearness the species which are truly indigenous to Great Britain from those which are but rare and accidental isidants nor do they indicate the sufficient authority the scientific nomenclature which should be adopted for the species of which they take cognizance. Without attention to the first of these points, it is impossible to form any thing like a correct estimate of the character of the British while to neglect the second is to perpetuate error, and to render perplexing that which should always be simple and intelligible. To supply these particular necessities is the object of the present work and on this account no attempt has been made to travel...