WHOLE VOL. APPLIED ENTOMOLOGY HOWARD I93 



When the revolution came to Mexico many things were upset and 

 remained in an upset condition for many years. During the Huerta 

 administration conditions became such in the City of Mexico that 

 Herrera disjxised of his property and started for Vera Cruz about the 

 time of the landing of the Americans at that port. His train was 

 stopped, and he and his family remained in Cordoba for some months 

 while he was recovering from an attack of brain fever which came 

 upon him. Eventually they reached Vera Cruz in a sad condition. He 

 managed to cable to Washington, and word was wired to General 

 Funston in command of the American expedition to the effect that 

 Herrera had been of much assistance to the United States Government 

 and that it was desirable that he should be cared for. No reply came, 

 but I understand that the Herreras were relieved at once by the Ameri- 

 can forces. 



Eventually, when quieter times came, they returned to the City of 

 Mexico, and since then Herrera has regained his health, and become 

 director of a general biological service which includes a numl:)er of 

 branches. 



In the summer of 1922, to the great delight of many of the natu- 

 ralists in this country who had corresponded with Herrera and who 

 knew his writings, he was commissioned by the Mexican government 

 to visit the United States. He came accompanied by his youngest 

 daughter, and spent some weeks in the eastern United States, accumu- 

 lating information which he put into play immediately on his return 

 and started a numl^er of movements which have already developed 

 important results and promise much for the future. 



In the meantime Mexico has had a number of serious entomological 

 problems and has developed a few good men of her own, and has 

 utilized the services of Dr. A. Dampf (a German), the latter es- 

 pecially in the serious problem of an invasion by migratory grass- 

 hoppers of some of her southeastern States. A Mexican worker, Sam. 

 Macias Valdez, has been doing excellent work with the insects affect- 

 ing live stock ; and other younger men are coming forward. 



Mexican officials have always been exceedingly courteous to Ameri- 

 can official entomologists who have visited that country on various 

 missions connected especially with the investigation of the boll weevil, 

 the pink boUworm, and the orange fruit-worm, and have shown the 

 most intelligent and cordial wish for close cooperation. It is true 

 that rather uncomfortable incidents have occurred ; such, for example, 

 as the temporary arrest of Hunter and Coad by a party of revolu- 

 tionistas, and another time the execution, by hanging, of one or more 

 unfortunate Mexicans on a tree immediately in front of the temporary 



