Nocturnal migration of birds 100, 177 
Paddle fish 85 
Plant distribution in Wisconsin 17, 137 
Plants of Door Co., Wisconsin 143 
Plants of Eastern Wisconsin 150 
P&lyodon spathula 85 
Proceedings of society 3, 93, 127 
Sareophagidae, relation to flowers 29d 
Sheboygan, Wisconsin, plants of 167 
Smilax in relation to flesh-flies 30 
Snyder, W. E., articles by 109, 113 
Swamp in Waukesha Co., Wis 164 
Tamarack Swamp in Waukesha Co., Wis 164 
Telescopic observation of birds 87 
Tulip, bilateral 174 
Variation in frogs 75 
Viola, ecology of 24 
Waukesha Co., Wis., Forest and Brush lands of 145 
Waukesha Co., Wis., Tamarack swamp in 164 
Winkenwerder, H. A., articles by 69, 87, 177 
Wisconsin, eastern, plants of 150 
Woodpecker, Red-headed, habits of 69 
