Box 9

[Carter] comments on Snow's living organism theory of disease.

[Carter] comments on malaria control and sends Griffitts a recent lecture he gave on the subject. [Carter] requests information on breeding areas of the three Anopheles species mosquitos.

Carter asks when water was first piped to Front and Water Streets, in Philadelphia.

Carter asks Hollingsworth if New Orleans Stegomyia (mosquitos) breed only in puddles with mud sides.

Carter asks Bruns about mosquito breeding in puddles with mud sides.

Read sends Carter extracts from two letters by Hanson. In the first letter Hanson discusses a possible yellow fever outbreak in southern Peru. His second letter deals with rumors of a yellow fever outbreak in the mountains.

[Carter] thanks Ashburn for sending him his manuscript. He discusses issues concerning mosquitos, specifically the Anopheles.

Ashburn reports on methods of curbing malaria through the control of mosquito populations.

Carter feels that there is no danger to the coast from any yellow fever east of the Peruvian mountains due to distance, population size, and a paucity of water storage.

Parker informs Carter that he is not permitted to continue malaria work in Cherokee County, Mississippi, but that the county health department will continue the work. He is now beginning the Yazoo County campaign and planning a mobile laboratory.

Caldwell asks Carter about the possibility of human yellow fever “carriers”, as he has had an inexplicable case of yellow fever in his district.

[Carter] requests information on the history of yellow fever in Peru. [Carter] comments on working relations with the Peruvian government.

Derivaux tells Carter of his activities over the past three years. He is now in private practice and teaching at Vanderbilt Medical School.

Bair praises the abstracts provided by the Public Health Service. Included is an autograph note from Carter to Mendelsohn.

[Carter] believes that human “carriers” of yellow fever, without symptoms, do not exist. He feels that Caldwell's case must involve either a human with undiagnosed yellow fever or an erroneous diagnosis of yellow fever.

Connor recommends continued vigilance for at least six months after the last confirmed case of yellow fever. He discusses the political situation in Mexico, noting that the Tampico office is closing.

Boldridge asks Carter for information on health conditions in Guatemala.

Carter gives Boldridge advice regarding Guatemala, including precautions to take. He offers his opinions about the people of Latin America.

Connor asks for Carter's opinion regarding some notes he has compiled on yellow fever. The campaign in Mexico is going well.

[Carter] informs Russell that work on the yellow fever history has proceeded slowly. He requests payment for clerical services related to the writing of the book.