DESCRIPTIONS OF OAK-GALLS. 



249 



supplies constantly on the same ground. On a large plot, 

 " which had for several years" been planted with cabbage, 

 the plants suffered severely from the disease (that is anbury, 

 with weevil larvae contained in it), though they were planted 

 free from it out of the seed bed. At the same time turnips, 

 and about twelve hundred borecoles, planted outside what 

 might be called the "cabbage-sick" spot of ground, escaped; 

 and in a part of this spot, which had been dug " deeper than 

 ever it was dug before," about eight hundred cabbage plants, 

 put in to replace the weevil-destroyed crop, entirely escaped 

 also. The paper is valuable from simply giving a note of 

 agricultural treatment and losses in connection with anbury 

 and weevil presence on a large scale ; and, when interpreted 

 by knowledge of the habits of the weevil larva from an ento- 

 mological point of view, with the absence or presence of the 

 " pest" varying in different places according to persistence 

 or rotation of crops, helps to suggest that with a little care 

 we might be much freer from its injuries than we are at 

 present. 



Spring Grove, near Islewortli, 

 August 7, 1877. 



DESCRIPTIONS OF OAK-GALLS. 

 Translated from Dr. G. L. Mayk's ' Die Mitteleuropaischen Eichengallen. 



By Edward A. Fitch. 



(Continued from p. 235.) 



Fig. 73. S. VERRUCOSA. 



Fig. 74. — S. VESICATRIX. 



73. Spnthegasier verrucosa, Schlechtendal. — Of this beau- 

 tiful gall I have five dry types now lying before me. It may 

 be found, according to Schlechtendal, by the beginning of 

 May on the young, sappy oak leaves (presumably of Qitercus 



2l 



