GIRAL'LT—THE BEDBUG 
1906] 
1 90 1. Dawson, Charles F. The dissemination of infectious diseases bv insects. 
American veterinary review, New York, XXV, p. 267. 
Quotes the case of Dewevre ( 1892). 
1901. Homan, George. On the agency of parasitic vermin and other insect 
pests in the spread of disease. American medicine, Philadelphia, II, 
PP’ 536-537- 
Read before the Division of Maritime Hygiene and Quarantine, Third 
Pan-.\merican Medical Congress, Havana, February, 1901. General 
article ; contains the following very interesting sentences; — “One of the 
most cosmopolitan and formidable of human parasites remains to be 
mentioned — Cimex lectularius- and one whose potency for harm in a 
public health sense has hardh- been adeipiately measured perhaps by 
reason of its * * nocturnal habits »****. 
******, but its activity in temperate climates coincides very nearly 
with the usual maximum prevalence of yellow fever and malarial diseases 
********. Its stubborn inhabitancy of human dwellings, however, 
points significantly to it as at least a coadjutor in the persistence of the 
first-named disease, where it is endemic, and as an influential agent in the 
spread of other infections as certain forms of tuberculosi.s, syphilis, 
leprosy, carcinoma, ami jrerad venture bubonic plague.” p. 537. 
1902. Flugge, Carl. Grundriss der hygiene fur studirende und praktische 
arize, medicinal — und verwaltungsbeamte. 1 -eipzig, funfte, vennehrte 
und verbesserte auflage, pp. 473, 532, et u/. Kdit. i, 1891. 
Believes that vermin in general spread Frbns n’ninrns. 
1902 a. Howard, Leland Ossian. How in.sects affect health in rural districts 
Farmer’s Bull, No. 155, C. ,S. Dep. Agric. Washington, ]). 18, tig. 15 
3 'earbook U. S. Dei). -Vgric., Washington, 1901, p. 190, fig. 19. 
Contains the following sentence, in referring to the transmission of 
diseases by insects, “Kven the common bedbug is strongly suspec;ted in 
this connection.” Figures adult. 
1902 c. Howard, Leland Ossian. Mosquitoes. How tliey live ; how they carry- 
disease ; how they are classified : how they may be destroyed. New 
York, p. 65. 
Grassi (1900) excludes the beilbug and others from being |)ossible car- 
