llution of New York Harbor as a Menace to
Health by the Dissemination of Intestinal Diseases Through the
Agency of the Common House-fly. Account of experiments and
deductions. Pamphlet issued July, 1908, by Merchants' Assn. of New
York.

LEIDY, JOSEPH. Flies as a Means of Communicating Contagious
Diseases. _Proc. Acad. Nat. Sci. Phil._, 23, 1871, p. 297. Believes
that flies may carry disease; refers to flies in connection with
gangrene and wounds.

LORD, F.T. Flies and Tuberculosis. _Bost. Med. & Surg. Jour._,
1904, pp. 651-654. Fly-specks may contain virulent tubercular
bacilli for at least fifteen days.

MAYS, THOS. J. The Fly and Tuberculosis. _N.Y. Med. Jour. & Phila.
Med. Jour._, 82, 1905, pp. 437-438. Believes that J.O. Cobb's data
as given in _Amer. Med. Jour._ is not at all conclusive.

NASH, J.C.T. A Note on the Bacterial Contamination of Milk as
Illustrating the Connection Between Flies and Epidemic Diarrhea.
_Lancet_, II, 1908, pp. 1668-69. Experiments show that milk left
exposed to flies soon contains many more germs than that protected
from them.

NASH, J.C.T. The AEtiology of Summer Diarrhea. _Lancet_, 164, 1903,
p. 330. Believes house-fly carries this disease because the two
appear and disappear together.

ROBERTSON, A. Flies as Carriers of Contagion in Yaws. _Jour. Trop.
Med. & Hyg._, 11, 1908, No. 14, p. 213. As a result of examinations
the author concludes that the house-fly is capable of carrying the
virus of yaws.

SANDILANDS, J.E. Epidemic Diarrhea and the Bacterial Control of
Food. _Jour. Hyg._, 6, 1906, pp. 77-92. Believes that house-flies
convey these diseases from the excrement of infected infants.

SIBTHORPE, E.H. Cholera and Flies. _Brit. Med. Jour._, Sept., 1896,
p. 700. Flies considered scavengers, think they thus help abate the
disease.

SMITH, T. The House-fly as an Agent in Dissemination of Infectious
Diseases. _Amer. Jour. Pub. Hyg._, Aug., 1908, pp. 312-317. Points
out that flies on account of their habits, are dangerous sources of
contamination.

SMITH, THEOBALD. The House-fly at the Bar. Merchants' Assn., New
York, 1909, pp. 1-48. Letters from various authorities giving their
opinion; quotations from various authors. Bibliography.

VEEDER, M.A. Flies as Spreaders of Sickness