* 

 Penjytuhnia> Philadelphia* 97 



there is great reafon to doubt, whether all cavi- 

 ties of this kind, in mountains, have the fame 

 origin. 



HERE are different fpecies of Mulberry trees, 

 which grow wild in the forefts of North and 

 South America. In thefe parts the red mulberry 

 trees are more plentiful than any other. How- 

 ever, Mr. Eartram affured me, that he had like- 

 wife feen the white mulberry trees growing wild, 

 but that they were more fcarce. I afked him, 

 and feveral other people of this country, why 

 they did not fet up filk manufactures, having 

 fuch a quantity of mulberries, which fucceed fo 

 eaiily ? For it has been obferved, that when the 

 berries fall upon the ground, where it is not 

 compact, but loofe, they foon put out feveral fine 

 delicate fhoots. But they replied, that it would 

 not be worth while to erect any filk manufac- 

 tures here, becaufe labour is fo dear. For a man 

 gets from eighteen pence to three (hillings and 

 upwards, for one day's work, and the women 

 are paid in proportion. They were therefore of 

 opinion, that the cultivation of all forts of corn, 

 of hemp, and of flax, would be of greater advan- 

 tage, and that at the fame time it did not re- 

 quire near fo much care as the feeding of jfilk- 

 worms. By the trials of a governor in Conneffii- 

 cut, which is a more northern province than 

 New Tork, it is evident however, that filk- 

 worms fucceed very well thsre, and that this 

 kind of mulberry trees is very good for them. 

 The governor brought up a great quantity of fiH-c 

 worms in his court-yard ; and they fucceeded fo 

 VOL. I. H well, 



