PLATE XXIII. 



Scene on Swan Lake, north of Sitka. Xote the Water lilies (Xym- 

 pJiea polysepala) to the left of which Potamogetons may be seen with 

 Menyanthes trifoliata at extreme left. On opposite shore is a dense 

 growth of Carex. The nest containing tw r o eggs is that of the Red- 

 Throated loon and is built on a floating mass of vegetation. 



