15 JULY 1911, Page 16

TENEMENT NESTS. [To IRE EDITOR OP THE "SPECTATOR:] Sin,—In your

issue of last week reference was made to a double neat of house-martins. This is, I believe, not MUMS- mon,. and I have seen, a similar arrangement this afternoon with other bird lovers, and. none of us commented upon the fact. It. will interest your correspondent, and possibly others', to hear of a family arrangement of rooks, which I saw this spring in Sussex, where four families bad arranged their nests practically with, as far as could be seen, a common outer