—90— 



one of the open bogs of Poland that a German officer ordered his men to attack the 

 retreating Russians, when practically the whole regiment sank out of sight. 

 The officer himself escaped but became mentally unbalanced as a result of this 

 catastrophe. 



Fig. 9. In the foreground are Sphagnum, Labrador Tea (Ledum), Cranberry, and Swamp 

 Laurel (Kalmia). In the background are Conifers with certain deciduous shrubs between. — From 

 photograph by Prof. G. B. Rigg. 



