-33- 
space filled with sand shall he provided between the balls. The 
balls shall be treated with a solution of 0.3 percent of methyl 
bromide and 0.6 percent of denatured alcohol by volume in water, 
applied evenly over the surface of the sand at the rate of 40 
gallons per 100 square feet. The soil balls shall remain embedded 
thereafter for 24 hours. The temperature of the balls during 
treatment shall be not lower than 70° F. 
(132) 
B.E.P.Q. 503, rev., 1 p. 1940. 
As a result of more recent investigations, the instructions 
are revised to provide that soil balls 7 inches in diameter may be 
so exposed for 8 hours at a minimum temperature of 65° F. The 
modification is/restricted, however, to treatment for larvae of 
Panto morus leucoloma Boh. The former specifications remain in 
effect for treatment of larvae of P. peregrinus Buch. 
(133) 
Administrative instructions; conditions governing the entry of 
cipollini from Morocco (Sec, 319.56-2f). U. S. Dept. Agr. 
B.E.P.Q. 504, 1 p. 1939. 
Fumigation with methyl bromide is made a condition of entry 
for all sriipments of cipollini from Morocco in order to eliminate 
any infestation of Ex o soma lusitanica (L.) which might be present. 
(134) 
Administrative instructions amending authorization of the shipment 
of fruits and vegetables from Hawaii to the mainland subject to 
fumigation with methyl bromide under supervision. U. S. Dept. 
Agr. B.E.P.Q. 510, 2 pp. 1940. 
Provision is made for the certification of guavas, papayas, 
bell peppers, bitter melons, cucumbers, summer squash, string beans, 
and tomatoes for movement into the United States, when prescribed 
fumigation with methyl bromide is applied in Hawaii. The commodity 
must be fumigated in a gastight chamber for 3 l/2 hours with 2 
pounds of methyl bromide per 1,000 cubic feet at a temperature of 
not less than 80° F. 
— — - (135) 
Methyl bromide fumigation. Construction details for an i red 
fumigation chamber. U. S. Bur Ent. and Plant Quar. 32 pp. 
1940. [Processed.] 
Construction details arc given for a box-type fumigation c] 
ber, suitable for chambers of 50 and 100 cubic feet. 
VAYSSIERE, P. ■ (135) 
Les stations de dboinfection des ve'gdtaux sous vide partiel. 
Soc. d T Encouragement pour Indus. Nat. Bu. 1934: 295-308. 
Methyl bromide kills all stages of insects at doeos of 30 to 
50 gm. per cubic meter (3 to 5 oz. per 100 cubic feet), and its 
action is comparable to that of ethylene oxide. Its vapors arc 
