MONTHLY BULLETIN. 



317 



into the state of California was provided for in Regulation 4 of that 



order, to wit: 



Regrulation 4. Railroad cars that have been used for the 

 transportation of cotton, cotton lint or cotton seed must 

 immediately upon arrival at California points be thorouj?hly 

 cleaned of all cotton seed, and such cotton seed shall be 

 burned Avhon removed from the car. All such cars found at 

 any point in California containing cotton seed in or upon 

 any parts thereof shall be amenable to all the regulations of 

 this order, and shall be placed in quarantine by the State 

 Commissioner of Horticulture until said cotton seed is 

 destroyed and the car passed as clean by a state quarantine 

 officer. 



The officials of the railroad companies promptly recognized the 

 nature of the situation, and with a knowledge of how the Boll "Weevil 



Fig. 104. — Cotton seed sent into 

 California by mail. (Photo by A. C 

 Chatterley.) 



can reduce freight tonnage in an infected cotton growing district, 

 expressed themselves as in sympathy with the purpose of the regula- 

 tions and protfered their full co-operation in the matter. In this 

 instance the problem was to find a practical method of carrying out 

 the regulations in detail. At first divers mechanical means were 

 employed to clean the cars of cotton seeds. All such, while so expen- 

 sive as to become burdensome, almost prohibitive, were by no means 

 complete, and the outlook for the continuance of the same was not 

 promising. Eventually the writer suggested the use of live steam for 

 this work at the Oakland vards of the Southern Pacific Company, 



3 — 25380 



