Index. 



181 



Page 



Viola septemloba 87, 91, 92 



sororia 92 



striata 32 



teiiella 33 



tricolor var. arvensis 33 



triloba 92 



villosa 88, 89, 91, 92 



villosa var. cordifolia '... 92 



Violets, Purple stemless 85-92 



Viverra mephitica 140 



Vulpes pennsylvanicus gS 



w 



Waite, M. B. : Life history of pear-blight 

 microbe vii 



Walcott, Charles D. : Preliminary notes on 



Middle Cambrian medusse ix 



Washington, Fourth list of additions to 

 flora of. 29-4.^ 



Page 



Weasels of eastern North America 1-24 



White, David : New forms of Palaeozoic 

 Alga; from Centr&l Appalachian Re- 

 gion viii 



Structure and relations of Butho- 



graptus, Plumulina, and Ptilophyton 

 from the North American Pakeozoic viii 



Woods, Albert F. : Action of overdose of 

 hydrocyanic acid gas on tomato plants., x 



Spotting of maple leaves xi 



Woodwardia angustifolia 43 



X 



Xyris flexuosa 30, 38 



Z 



Zapus hudsonius 97 



insignis 50 



