xii PREFACE. 



which pay us literally ' a flying visit ' during the 

 time of the periodical migrations. And lastly, 



Rare and Accidental Visitors, which occur only 

 at uncertain intervals. 



The two counties whose Avi-fauna I have under- 

 taken to chronicle can boast of no less than 225 

 species, a number by no means insignificant for an 

 inland county. Doubtless many more rare birds 

 have been obtained of which I have not received 

 notices, but in a future edition I shall hope to 

 add to my list, and shall accordingly be obliged 

 for any notes of the occurrence of rare stragglers in 

 either county which may here have escaped notice. 



The following is a summary of the Birds of the 

 two counties according to the arrangement I have 

 adopted : 



Residents 64 



Summer Visitors 31 



Winter Visitors 34 



Spring and Autumn Visitors 16 



Rare and Accidental Visitors 80 



Total Number ........ 225 



It now only remains for me to return thanks to 

 the many kind friends who have given me their 



