3 I2 



POPULAR SCIENCE MONTHLY 



and the great wall, north, and west, and east, has been most carefully 

 explored and mapped by the foreign military authorities. From vari- 

 ous individuals employed in this minute survey a great deal was learned 

 relative to the fruit growing in the district indicated. Much of the 

 fruit found in the markets of Pekin comes from the hill region lead- 

 ing up to the mountains separating China from Mongolia and Man- 

 churia. These fruits are native apples, pears and peaches, and the 

 little haw apple already mentioned. Great quantities of these fruits 

 were examined in the market, with the exception of the peach, which 



Portion of Wholesale Fruit and Nut Street in Pekin, China, showing Nut Products 



Chiefly Peanuts. 



was then out of season, and later similar examinations were made at 

 Tiensin. A very scanty but general infestation with San Jose scale 

 was found on the different fruits examined. Perhaps one apple in a 

 hundred would have a few of these scales about the blossom end and 

 the same proportion was true of the haw apple and the native pear. 

 Throughout the region where these fruits are grown, there has been no 

 introduction of foreign stock. The occurrence of the San Jose scale 

 on these two fruits was conclusive evidence that in the reoion whence 

 it came the San Jose scale is native. The scattering occurrence 

 of the scale also indicated, as would be anticipated, that this pest in 

 its native home is kept in check by natural means. 



The investigations made at Shanghai, and later southward to Hong- 



