Winter washes, experiments with, against San Jose scale. III, 67. 



vahie of, against San Jose scale, III, 61. 

 Winthemia qnadripustnlata, parasite of Laphygma frugiperda, XXIII, 84; XXIX, 35. 



Peridronia saucia, XXIX, 62. 

 Wireworms, injuring oats, XVII, 101. 



violets, XXVII, 77. 

 Works on North American entomology, a list of, XXIV. 

 Xyleborus affinis, mention of, VII, 20. 

 celsus, habits of, VII, 24. 

 dispar, abundance of, in England, IX, 26. 



habits of, VII, 22. 

 fuscatus, habits of, VII, 21. 

 inermis, mention of, VII, 20. 

 obesus, habits of, VII, 23. 

 perforans, habits of, VII, 21. 

 pini, mention of, VII, 20. 

 planicoUis, mention of, VII, 20. 

 propinquus, mention of, VII, 20. 

 pubescens, boring in wine casks, VII, 85. 



habits of, VII, 19. 

 pyri=di8par. 



retusicollis, mention of, VII, 20. 

 saxeseni=xylographus. 



tachygraphus, boring in box elder, redbud, tulip tree, maple, beech and 

 sumac, VII, 79. 

 haljits of, VII, 23. 

 xylographus, habits of, VII, 24. 

 Xylina cinerea, injuring apples in western New York, VII, 84. 

 outbreak of, in New York, XVII, 21. 

 laticinerea, outbreak of, in New York, XVII, 21. 

 Xylococcus betuUt, on birch, XVIII, 13. 

 Xylocriusagassizii, notes on, XXIII, 90. 

 Xylonomus rileyi, parasite of Xylotrechus colonus, VII, 72. 

 Xyloryctes satyrus, injury to ash in Virginia, XXII, 105. 

 Xyloterus bivittatus, an enemy of tide-land spruce, XXI, 21. 

 distribution of, VII, 28. 

 politus, habits of, VII, 28. 

 retusus, habits of, VII, 29. 

 scabricollis, mention of, VII, 29. 

 Xylotrechus colonus, bred from seasoned hickory, XVII, 46. 



on chestnut, VII, 72. 

 Zophodia convolutella, injuring gooseberries in Norway, IX, 80. 



o 



