CALENDAE, OF NATURAL PERIODIC PHENOMENA. 311 



August 1 2th.. — The wild guelder rose, Viburnum opulus ; Mountain 

 Ash, Pijrus aucuparia ; ripen tJieir berries. 

 , , 1 3th. — Hedge Sparrow, Sylvia modular is, assemble in flocks. 

 ,, 16th.. — Viola canina, second flowering. 

 September 3rcl. — Capt. Hext, of Tredethy, says that this year 

 there has been a remarkable scarcity of wasps, 

 and in those nests destroyed, a large propor- 

 tion of queen wasps. 

 ,, 10th. — Swallo'ws congregate for flight. 

 ,, 22nd. — Ash, Fraxinus excelsior; and Sycamore, Acer 



pseudo-platanus, defol. 

 ,, 28th. — Lamium album,, fl. 

 October 9th. — Beech, Fagus sylvaticus, defol. 

 ,, 14th. — Migratory Starliyigs seen in flocks. 

 ,, ,, — Teal and snipe arrive. 

 ,, 16th. — Aspen. Populus tremida, defol. 

 ,, 19th. — Lime, Tilia EuropcBa, defol. 

 ,, 20th. — Woodcock, Scolopax rusticola, arrives. 

 ,, ,, — Swalloto, Hirundo rustica, seen. 

 ,, 22nd. — JJlmus campestris, defol. 

 November 1 6th. — Ha%el, Corylus avellana, defol. 



,, — The wall moss, tortula muralis, in fruit. 



December 4th — Lesser Perriwinkle, Yinca minor, fl. 



,, 19th. — Grrey wagtail, Motacilla boarula, appears. 



