286 THE MONTHLY BULLETIN. 



The miscible oils used in this case were the two grades manufactured 

 by Balfour, Guthrie & Co. of San Francisco, and known as No. 1 and 

 No. 3. These were used at strengths varying from 1 part of miscible 

 oil to 15 parts of water to 1 part to twenty-four. Treatment was made 

 by dipping pieces of bark and attached egg masses into the solution. 



The figure shows two test tubes (Fig. 83), the one above contain- 

 ing ten egg masses treated with miscible oil, 1-20, and below one 

 containing ten egg masses untreated ; the tiny black specks in this 



Fig. S3. Test tubes containing; egg masses of the leaf-roller. The one above 

 contains ten egg masses treated with miscible oil, 1-20, and the lower one contains 

 ten egg masses untreated ; the tiny black specks in this tube are pictures of little 

 worms which hatched freely. (Original.) 



• 



tube are pictures of little worms which hatched freely. Eight such 

 tubes were left without treatment and in every case results were the 

 same. On the other hand, six tubes treated with miscible oils presented 

 the same clear appearance as shown in picture, absolutely no larva? hav- 

 ing hatched from them. — Geo. P. Weldon. 



QUARANTINE NEWS FROM JAPAN. 



The national law to prohibit the importation of all kinds of plants 

 and fruits infested by insect pests and fungous diseases into Japan has 

 been passed by Congress, and the National Quarantines are established 

 at the main ports of entry of the Island Empire. The executive office 

 of the quarantine divisions of the Department of Agriculture and Com- 

 merce of the Japanese government is in Tokio, and S. I. Kuwana, the 

 entomologist of Imperial Agricultural Experiment Station at the head 

 of the Federal Quarantine, will direct national quarantine officers and 

 inspectors, who are ready to begin the inspection from July 1, 1914, at 

 the ports of entry already established in Yokohama, Nagasaki, Kobe, 

 and Moji. ^Ir. Kuwana is a graduate of Stanford University with the 

 class of 1899. and two years later the degree of ]\Iaster of Arts was 

 granted him from the same university. — S. Nakayama, Stanford Uni- 

 versity. 



