nAVAGES OF CATEHPILLARS. 



217 



During the three last summers, wc also remarked 

 that the alders Ullinia f^lutinosa) along the banks of 

 the llavensbourne, in Kent, wore extensively stripped 

 of their leaves by a saw-tly caterpillar, very like the 

 preceding, but of a larger size.'* It appears to be 

 the same as one figured by Reaumurf [Sclandria 

 Alni ? Stephens). 



a, Nematut caprea, on the osier ; 6, Sclandria alni f on the alder. 



Another slimy caterpillar of a saw-fly, allied to 

 that of the cherry ( Tenthredo Ccrasi), is called the 

 slug worm in North America, where it has increased 



rol. V, pi. li.fi 



