PSYCHE 
[April-June 
tiels of malaria, on the strength of their wide distribution. Grassi has 
hot been seen, and is not listed. 
1903. Jennings, William Ernest. A manual of plague, London, p. 32. 
Bugs may be carriers of plague. 
1904, Bergey, D H. The principles of hygiene. \ practical manual for 
students, physicians, and health-officers. Philadelphia, Xew York and 
London, edit. 2, revised, pp. 378, 390, 391, 394. 400, 412. 
The bedbug is believed to be instrumental in disseminating the parasite 
of relapsing fever: and other diseases. 
1904. Herzog, Ma.ximilian. The plague: bacteriology, morbid anatomy, and 
liistopothology, including a consideration of insects as plague carriers. 
Bull No. 23, ( H. S. ) Dep. Interior, Bureau Govt. Laborat<')ries, Boil 
Laboratory, Manila, pp. 75, 83. 
States Nuttall’s ( 1897 ) results ; bacteriological e.xamination of tive l>ed- 
Ijugs taken from a room in which a plague patient slept. 
1904. I'itus, Edward Sharpe Gaige and Frederick Charles Pratt. Cat- 
alogue of the e.xhibit of economic entomology at the I.ouisiana purchase 
exposition, St. Louis, Mo., 1904. Bull. No. 47, U. S. Dep. Agric., 
Bureau Ent., Washington, p. 120. 
Listed under the heading. Insects w/iic/i may s/>rea/i disease. 
[905, Bokhian, Charles and Mary E. Goodwin. clinical and bacteriological 
study of the communicability of cerebro-spinal meningitis and the 
probable source of contagion. Medical news. New \’ork, LXXXVII. 
]). 1226. 
“The vermin theory of infection also presupposes the presence of the 
meningococcus in the peripheral blood of the patients. **********_ 
Even when present it does not appear to be so abundant that fleas or 
bedbugs would be likely to ingest one very often.” 
1905. Girault, Alecandre .Vrscne and John Frank Strauss. The betlbug, 
C/inocoris Icctiilarius ( Linnaeus), and the fowl-bug, CHnocoris cohnnbar- 
ms (Jenyns:) host relations. Psyche, Cambridge, .Mass., XII, pp. 
I 1 7-1 20. 
.\dults ami larvae attacked in confinement recently dead, and living, 
mice. Brief discussion of host relations. Cf. Laidy, 1877, Proc. .Lead. 
