Plate 1. 



Fig.-l. Lasius niger 5. 4. Myrmica ruginodis $ 



2. — " — flavus ". 5. Polyergus rufescens - 



3. Formica fusca- . 6. Formica sanguined •• , 



KeganPaul, Trench, f rilbner A C 9 Ltd . 



