194 BUREAU OF ENTOMOLOGY AND PLANT QUARANTINE [April-June 
precautions. Trade samples of cotton lint shall not exceed 1 pound in weight- 
Regs. 12, 13, and 14 do not oncern the shipper. 
FORM OF CEETIFICATE PKESCRIBED 
Reg. 15. In cases where certificates of cleanliness based on actual inspection 
of a consignment hy an approved official are required, a certificate in the 
form shown on page 9 shall be utilized. 
Regulations on the Importation of Potatoes 
shipper's DECL.VRATION OF ORIGIN AND WART CERTIFICATE REQUIRED 
Reg. 16. No person shall introduce or cause to be introduced into Southern! 
Rhodesia from overseas any potato tubers, unless he produces and delivers 
up to an inspector : 
(1) A statement on oath from the consignor stating fully in what country 
and what particular place or places in that country the potatoes were grown, 
and containing particulars clearly establishing the identity of the consign- 
ment. (See prescribed form, p. 10.) 
(2) A certificate from the Department of Agriculture of the declared coun- 
try, or a certificate from some ofiicial institution of that country which the 
Director of Agriculture, Southern Rhodesia, has agreed to recognize in lieu of 
such Department, certifying at a date not more than 30 days before the time 
of the dispatch of the consignment that wart disease {Synchytriinn endohioti- 
cum (Schilb. ) Perc.) has not been known to exist, as far as it is aware,, 
within 5 miles of the places in which the potatoes are declared to have been, 
grown. (See prescribed form, p. 9.) 
Provided that the certificate made necessary by regulation 16 (2) shall 
not be required in respect of any consignment from a country : 
(a) If the government thereof has certified to the Administration of South- ^ 
ern Rhodesia that the said disease has not been known to exist in that coun- 
try and if the government has undertaken to inform the Administration of , 
Southern Rhodesia of any outbreak, and if information recording an outbreak 
has not been received ; or 
(&) If the consignee produces from the Department of Agriculture or 
other aforesaid recognized institution of the declared country of origin a 
certificate, dated within 9 months of the day of arrival of the potatoes con-^ 
cerned, to the effect that the specified disease has not been known to exist,, 
as far as it is aware, in the shire, county, department, or other such terri- 
torial division comprising the place or places in which the potatoes are de- 
clared to have been grown ; but if required by an inspector, the consignee 
shall deliver up an attested copy of the certificate herein provided for. 
POTATOES INFESTED WITH ROOT-KNOO' NEMATODE NOT ADMITTED 
Reg. 17. Any consignment of potatoes imported from any source, if found on 
inspection to be infested with the pest known as root gallworm or root-knot 
eelworm {{Heterodera radicicola) mnrioni Cornu) or with any other species 
of eelworm injurious to plants, shall be refused admittance into Southern 
Rhodesia or destroyed. 
WART-INFECTED POTATOES DESTBOYED 
Reg. 18. Should any consignment on arrival be found to be infected with wart 
disease, it shall be totally destroyed by fire. 
Regs. 19 and 20 relate to the transit of plants through Southern Rhodesia. 
Reg. 21 relates to penalties. 
Prescribed Form of Phytosanitary Certificate 
This is to certify that I (name, title, and address of authorized official), 
have today and immediately prior to shipment thoroughly examined a repre- 
sentative sample of the living plants or plant products for which this cer- 
tificate is required, contained in the following consignment: Description (in- 
