458 ' Proceedings. 



gaps would again be seen, the transitions being so rapid tbat the eye conld not 

 follow them. At times the phenomenon would become as it were fixed, and 

 no perceptible alteration could be noticed for the space of a quarter of an 

 hour. The upper edge maintained the same level throughout, except when 

 occasionally a clump of trees would be drawn up to several times their height. 



5. Further Notes on the Nativity of Polygonum aviculare, L,, in New 

 Zealand; in reply to Mr. Travers," by T. Kirk, F.L.S. (See TransactionSy 

 p. 315.) 



