52 HISTORY OF INSECTS. 



One of the authors of the 'Introduction to Entomology' 

 being in Paris in 1817, called on the late M. Latreille, and 

 accompanied by that learned entomologist, visited the Bois 

 de Boulogne for the purpose of observing this singular 

 phenomenon, and was highly gratified in being able com- 

 pletely to verify the whole of M. Huber's statements. 



