132 BUREAU OF ENTOMOLOGY AND PLANT QUARANTINE [July-Sept. 
Manzanillo, Colima ; Acapulco, Guerrero ; Salina Cruz, Oaxaca ; Tapachula, 
Chiapas. Other ports of eutry may be authorized on special request and on 
payment of the cost of employing an inspector. 
Special Quarantines 
exterior quarantine no. 1 citrus trees 
[Decree of Dec. 2, 1922] 
This is a partial quarantine on account of citrus canker (Bacterium citri 
Hasse) ; citrus root worms (Tylenchus semipenetrans Cobb) : the citrus black- 
fly (Aleurocanthtis woglumi Ashby) ; and other pests and diseases new to or 
not widely distributed in Mexico. 
In order to import into Mexico citrus trees or parts thereof (shoots, sprouts, 
roots, buds, etc.), the general provisions applying to partial quarantines must 
be complied with. 
This quarantine does not affect citrus fruits. 
EXTERIOR QUARANTINE NO. 2 COFFEE 
[Decree of Nov. 26, 1926] 
A partial quarantine on account of the coffee berry borer, Stephanoderes 
coffeae Hag. (S. hampei Fen.). 
In order to import into Mexico coffee plants and their various parts (roots, 
stems, flowers, fruits, and even the commercial coffee beans in their natural 
state) the general provisions applying to partial quarantines must be complied 
with. 
EXTERIOR QUARANTINE NO. 3 COTTON 
[Decree of Feb. 4, 1926, as amended Apr. 23 and Aug. 28, 1928, and Nov. 12, 1929] 
A partial quarantine on account of the pink bollworm of cotton (Pectinophora 
yossypiclla Saund.) and other dangerous pests. 
In order to import into Mexico cottonseed, seed cotton, and cottonseed hulls, 
the general provisions applying to partial quarantines must be complied with, 
as well as the following special provisions : 
Shipments of these products must be subjected to vacuum fumigation on 
arrival at the Mexican port of entry if suitable fumigation plants are located 
there. 
When the products referred to in this quarantine are from the counties of 
Cochise, Graham, Greenlee, Maricopa, Pima, Pinal, and Santa Cruz, State of 
Arizona : Chaves, Dona Ana, Eddy, Grant, Hidalgo, Luna, and Otero, State of 
New Mexico ; Andrews, Borden, Brewster, Crane, Culberson, Dawson, Ector, 
El Paso, Glasscock, Howard, Hudspeth, Jeff Davis, Loring, Martin, Midland, 
Pecos, Presidio, Reeves. Terrell, Upton, Ward, and Winkler, State of Texas, 
their importation into Mexico will be permitted only after a special permit has 
been granted by the Office of Agricultural Defense, subject to vacuum fumiga- 
tion with hydrocyanic acid gas at a dosage of 60 grams per cubic meter, pro- 
vided that the said products are intended solely for manufacturing purposes 
in factories located in districts where the existence of the pink bollworm 
(Pectinophora yoxxypiella) has been demonstrated. 
The same general provisions apply to shipments of carded cotton, cotton 
waste, and raw cotton with and without seeds, except that Puerto Mexico, 
Veracruz, is added as a port of entry. Fumigation of these products is 
permitted at the point of shipment, with corresponding certification by 
competent authority. A certificate declaring that these products do not proceed 
from districts infested witli the pink bollworm of cotton must also accompany 
the shipment. 
Bales and packages of cotton shall bear numbered tags on arrival at the 
port of entry. All immigrants from the States of Arizona, New Mexico, and 
Texas, who enter Mexico through the northern border of that country, are 
prohibited from bringing with them cotton or cotton products which may 
serve to carry the pink bollworm (Pectinophora yossypiella) . 
All railroad cars from the United States which it is attempted to enter into 
Mexico shall be inspected before entering Mexican territory by inspectors 
