NATURAL HISTORY.

_Average day of arrival of Spring Birds from a Twenty years’ Journal._

April 3. Smallest Willow Wren. _Ficaria pinetorum_ arrives.

April 10. Common Willow Wren. _Ficaria Salicum_ arrives.

April 14. Called _First Cuckoo Day_ in Sussex. The Cuckoo, _cuculus

canorus_, sometimes heard.

April 15. Called _Swallow Day_. The Chimney Swallow, _Hirundo rustica_,

arrives.

April 19. The Sand Swallow. _Hirundo riparia_ arrives.

April 20. The Martin. _Hirundo terbica_ sometimes seen.

April 21. The Cuckoo, commonly heard.

April 30. The Martin, commonly seen.

The other vernal birds arrive between the 15th and 30th of the

month.[90]

* * * * *

The Every-day Book and Table Book, v. 1 (of 3) or Everlasting Calendar of Popular Amusements, Sports, Pastimes, Ceremonies, Manners, Customs and Events, Incident to Each of the Three Hundred and Sixty-five Days, in past and Present Times; Forming a Complete History of the Year, Month, and Seasons, and a Perpetual Key to the Almanac · 第 296 / 982 题