Note on some British Coccidae (No. 8)

Some Notes on British Bats

reed warbler here and never an icterine, a bird whose notes are firmly fixed in my head. The Norfolk coast, in addition to furnishing breeding grounds for some large colonies of terns, is a good place to see migrants, many of which find temporary shelter in the low growth on the saltings and sandhills. Sometimes, especially in foggy weather, a hold-up of migrants occurs. This autumn, for instan...

Note on Some Oscillation Criteria1

then (1) must be oscillatory. Various refinements as well as variations of the criterion (3) were obtained by Hartman in [l]. The present note will be devoted to the derivation of two further criteria, given in (*) and (**) below, involving the function G(t) of (3). Let E(M, T) denote the set of points t of the half-line T^t < oo for which the function G(t) of (3) satisfies the inequality G(t) ...

Note on Some Gap Theorems

Vol. 8, No. 3 , 2019

Vol. 8, No. 2 , 2019