256 



THE WALKS ABROAD OF 



somewhat penetrating odour, like that of musk, that 



NECEOPHORI : 3, N. germanicus ; 4, N. fossator ; 4', LAEVA ; 4", PUPA. 

 SILPHA : 1, S. thoracica ; 2, quadripunctata. 



their presence was revealed. A few paces from the 



