Dr. Campbell and this particular book attracted a lot of attention in 1925, and the book was lauded by leading naturalists of the day, including Theodore Roosevelt, Lord Rothschild, and Ernest Thompson Seton. Dr. Campbell's revolutionary examinations of the bat and mosquito (and dragon fly) contributed much to the fight against malaria. He invented the first Bat-roost.

Bats, Mosquitoes and Dollars. Dragonflies. Bedbugs and Smallpox. Eradication of Smallpox by other means than vaccination, by Dr. Jo A. Wells. Function of the Spleen.

"Directory of members, constitution and by-laws of the Society of American military engineers. 1935" inserted in v. 27.