264 



Index 



Walker, 25, 162, 173, 174. 

 Walker dipper, 20, 21. 

 Walnut Lake, Mich., 53. 

 Walnut Point, 41. 

 Water lily, 40, 54, 61, 63. 

 W^ater lily. Sweet-scented, 80. 

 Water lily, white, 54, 77. 

 Water lily, yellow, 59. 

 Water milfoil, 80. 

 Water mites, 201, 216. 

 Water weed, 54, 64, 75, 79. 

 Water willow, 32, 36, 40, 49, 50, 

 51, 52, 7i, 80. 



Weckel, 25, 192. 



Welch, 24, 25, 188, 198, 200. 



Whitney, 24, 78. 



Wild celery, 53, 54, 79. 



Willow, black, 47, 49, 54, 59, 63, 80. 



Willow Point; 186. 



Wilson, 140, 157. 



Winona Lake, Ind., 155. 



Zett Island, 187. 

 Zostera, 141. 

 Zygonema, 81, 82, 84, 94. 



