58 
PLANT QUARANTINE AND CONTROL ADMINISTRATION [April-June, 
Table 7. — Outline of soil treatment and spraying operations to control the 
Japanese beetle at isolated points of infestation, fiscal year 1929 — Contd. 
SPRAYING 
Place 
Shade 
trees 
Fruit 
trees 
Arsenate 
Shrubs ! of lead 
used 
1 
Cost* 
Work 
began 
Work 
ended 
Cambridge, Md... 
1,890 
215 
1 
1 Pounds 
11,055 1 4.022 
Dollars 
2, 062. 81 
309. 67 
364. 80 
June 6 
June 13 
June 28 
( 3 ) 
June 27 
Cbesaoeake City, Md 
1,800 
624 
June 18 
Delmar, Md. (spring) „ 
360 
50 
3,400 
July 1 
Delnw, "Del . 
( 3 ) 
Total 
2, 250 
265 
14, 455 
6,446 
2, 737. 28 
i This cost was all borne by the States concerned. 
3 Spraying at Delmar, Del., is to be carried on in July. 
INSPECTION, TREATMENT, AND CERTIFICATION OF RESTRICTED ARTICLES 
The details of inspection, treatment, and certification of the various classes 
of articles whose movement is restricted under the Japanese-beetle quarantine 
are shown in Tables 8, 9, and 10. 
Table 8. — Quantities of farm products, cut flowers, soil, and similar products, 
certified under Japanese- oeetle quarantine, January 1 to June 30, 1929 
Month 
Cut 
flowers 
Sand, soil, 
earth, etc. 
Peat 
Compost 
and manure 
Fruits and 
vegetables 
Hay and 
straw 
January 
Boies 





1,446 
Carloads 
409 
786 
1,472 
779 
4,167 
2,294 
Carloads 
23 
31 
45 
52 
52 
57 
Carloads 
91 
113 
171 
70 
80 
64 
Packages 





856, 755 
Bales 

February 

March 

April 

May 

June 
1,379 
Total. 
1,446 
9,907 
260 
589 
856, 755 
1,379 
Table 9. — Chemical treatment of articles {other than nursery stock) restricted 
under the Japanese-beetle quaramtme, January 1 to June 30, 1929 
Month 
Carbon disulphide , 
Arsenate 
of lead 
Naptha- 
line 
Potting 
soiP 
Sand 
Leaf 
mold 
Clay 
Surface 
soil 
Surface 
soil 
Surface 
soil 
January 
Cu. yds. 
23 
56 
80 
149 
102 
218 
Cu. yds. 






Cu. yds. 



109 
160 
109 
Cu. yds. 






Sq. yds. 


418 
61 


Sq.ft. 
2,110 

19, 035 


59, 817 
Sq.ft. 

February. 
4,091 
March 

April 

May ... 

June... .. . 

Total 
628 

378 

479 
80, 962 
4,091 
i No calcium-cyanide treatments of restricted articles were carried out during the 6-month period. 
* In addition to the figures given above, 6 cubic yards of potting soil were treated with steam in February, 
12 in March, and 8 in April. 
