"By organizing a committee of one hundred to cover the city and make a scientific campaign." "Are you going to let people know that it's typhus?" "Sh-sh-sh! So you know, do you? Well, the important thing now is to see that others don't find out. Don't even whisper the word. Malaria's our cue; pernicious malaria. What's the use of scaring every one to death?

It was the work of an American, James Stanley Gilbert, who had lived for six years on the Isthmus, and had seen most of his friends die there. Gilbert's lines have, therefore, a certain excusable tinge of morbidity, as, for example: "Beyond the Chagres River Are paths that lead to death: To fever's deadly breezes, To malaria's poisonous breath."