INDEX. 19 



Wheats, relation of size of seed to value, tests of different varieties, 30, 37-43. 



Whistlewood. See Linden, American. 



White lind. See Linden, American. 



White mustard. See Mustard, white. 



White Russian oats, description, tests at Dickinson, N. Dak., 33, 27, 30, 31. 



White sumac. See Sumac, smooth. 



Whitewood. See Linden, American. 



Wickham series, soil types, Virginia, description and crops suitable, 46, 15-16. 



Wickup. See Linden, American. 



Wild orange. See Prickly ash. 



Winckelmann, H., and others, bulletin on "The action of manganese in soils," 42, 



1-32. 

 Wisconsin, dairy cows, cost of raising, investigations, 49, 1-23. 

 Wode-whistle. See Hemlock, poison. 



Wolfe, George W., statement on fanning conditions, South Alaska, 50, 15-16. 

 Wood, H. P., bulletin on "Experiments in the use of sheep in the eradication of the 



Rocky Mountain spotted fever tick," 45, 1-11. 

 Woollen. See Mullein. 



x ' Worming" peach trees for borers, importance, cost, 29, 11. 

 Wormseed, medicinal uses, collection, prices, etc.. 26, 4-5. 

 Worsham series soil types, Virginia, descriptions aud crops suitable, 46, 6. 



t Yaroslav emmer, test at Dickinson, N. Dak., 33, 37. 

 Yearlings, feeding, labor requirements, cost, records of Wisconsin farm, 49, 9-12. 

 Yellow Hercules. See Prickly ash. 

 Yellow mustard. See Mustard, white. 

 Yellow prickly ash. See Prickly ash. 

 Yellowthorn. See Prickly ash. 

 Yellowwood. See Prickly ash. 



York series soil types, Virginia, descriptions and crops suitable, 46, 6. 

 Young, Thomas B., and Rodney H. True, bulletin on ''American-grown paprika 



pepper," 43, 1-24. 

 Yukon drainage area, Alaska, description, navigation, agricultural lands, 50, 6. 



Zanthoxylum — 



americanum. See Prickly ash. 

 carolinianum. See Prickly ash. 

 clava-herculis. See Prickly ash. 

 fraxincum. See Prickly ash. 



o 



