had ample opportunities of investigating the nature of 
the insedt, and of the disease in which it occurs, and 
his paper on the subjed was read to the Royal Society 
in the course of the last winter. 
For farther particulars 1 must refer to the descrip¬ 
tion already given in the General Zoology, and have 
only to add, that the present figures are carefully ex¬ 
ecuted from some of the most perfed specimens com¬ 
municated by Dr. Adams. 
