JUNE. 183 



our boasted wisdom, we know nothing. There are very many 

 species : the one you found is, I believe, produced on a spe- 

 cies of Rubus (I think, the common raspberry). Another 

 kind, very common, swells out the stem of a species of Soli- 

 dago, Golden-rod, which is very abundant, into a round 

 ball, spreading equally on all sides. 



C. I have taken two new moths lately, and three now 

 butterflies have made their appearance since our last walk ; 

 the first of which is the beautiful Tiger Swallow-tail ( Pa- 

 pilio Turnus). This large and handsome butterfly is very 



TIGER SWALLOWTAIL. 



Papilio Turnus. 



wild and difficult of capture j at least so I have found the 

 specimens which I have seen, which are only two : I pur- 

 sued them both, but succeeded in catching neither. 



F. They will be more familiar presently ; or at least 

 will be much more abundant, so that you will be able to 



