21 



used, because the habits of all the Halticas are similar. 

 It has been recommended to sow a quantity of radish 

 seed with the turnip seed ; for the jumping beedes are 

 found to be so much more fond of the radish than of the 

 turnip leaf, that it will desert the latter for the former. 

 Air-slacked Hme, sifted or dusted over plants, in some 

 instances preserves them, and sprinkUng with strong 

 alkaline solutions * will kill the insects without injuring 

 the plants. 



The native insect aUied to the European cabbage- 

 butterfly has been already mentioned.! Like its con- 

 geners, it can subsist upon many and perhaps all of the 

 cruciferous plants, among which are the cabbage, broc- 

 coli, cauliflower, kale, radish, mustard, and turnip. It 

 is of a beautiful white color, with dusky veins beneath 

 the hinder wings, and in size it is rather larger than 

 the small yellow butterfly of the New England States. 

 Hitherto it has been observed only in the hilly regions 

 of New Hampshire and of the northern part of Massa- 

 chusetts. There are two broods in a season. About 

 the last of May and the beginning of June the white 

 butterfly may be seen fluttering over plantations of 

 cabbages, and turnip and radish beds, but seems to 

 prefer the turnip leaf for the place of depositing its 

 eggs. These are hatched between the seventh and the 

 tenth day. The caterpillars attain their full size in 

 twenty-one days, and are then, on an average, one 

 inch and a quarter in length. Being of a pale green 



* The solution may be made by dissolving' one pound of hard soap in 

 twelve gallons of the soap-suds left after washing, and it should be 

 applied twice a day with a water-pot or garden engine. 



t Page 7. 



