Letters

SIRS,--There is a remarkable drop in t h e numbers of Swallows, Martins and Swifts in Shropshire this year. Several of t h e usual nesting places are void of birds. One or two pairs of Swifts nest regularly in t h e roof of m y house ; this year there are none. A terrace in Shrewsbury is frequented by fifteen or twenty pairs ; this year I have not seen more than six Swifts there a t any time, thou...