on the
Question of the Migration of Mosquitoes. _Jour. Trop. Med. & Hyg._,
12, 1909, pp. 256-258, Sept. 1. Only fecundated females feed on
blood, and must be fertilized after each batch of eggs. This
determines largely the time and place of breeding.

SMITH, J.B. Concerning Migration of Mosquitoes. _Science_, 18, Dec.
11, 1903, pp. 761-764. Observations on the migrations of
mosquitoes, particularly _C. sollicitans_.

MOSQUITO FIGHTING

CELLI, ANGELO. The Campaign Against Malaria in Italy. Transl. by
J.J. Eyre. _Jour. Trop. Med. & Hyg._, XI, Apr. 1, 1908, pp.
101-108. Includes a good discussion of the effectiveness of
destroying the mosquitoes in controlling malaria.

FELT, E.P. Mosquito Control. In _Report of the N.Y. State
Entomologist for 1905_, pp. 109-116. Notes on importance and
methods of control of various species.

GOLDBERGER, JOS. Prevention and Destruction of Mosquitoes. _Public
Health Reports, Pub. Health and Mar. Hospt. Ser._, July 17, 1908.
Life-histories and methods of fighting larvae, pupae and adults.

LE PRINCE, J.A. Mosquito Destruction in the Tropics. _Jour. Amer.
Med. Assn._, LI, p. 26, Dec. 26, 1908. Occurrence and habits of
_Anopheles_, methods of destruction. Results of anti-malarial work
on the isthmus. Discussion by various doctors.

QUAYLE, H.J. Mosquito Control Work in California. _Bull. No. 178,
Calif. Agric. Ex. Sta._, pp. 1-55, 1906. Habits and life-history of
California species, with an account of experiments to control the
salt-marsh species.

ROSENAN, M.J. Disinfection Against Mosquitoes with Formaldehyde and
Sulphur Dioxid. _Hyg. Lab. Pub. Health and Mar. Hospt. Ser., Bull.
6_, 1901.

ROSS, RONALD. Mosquito Brigades and How to Organize Them. New York,
1902.

ROSS, RONALD. Logical Basis of the Sanitary Policy of Mosquito
Reduction. _Science_, N.S., Vol. 22, No. 750, Dec. 1, 1905, pp.
689-699. Important article dealing with the methods of control.

SMITH, J.B. Salt-marsh Mosquitoes. _New Jersey Agric. Exper. Stn.
Special Bulletin T_, 1902. Breeding-places and methods of control
of this species.

SMITH, J.B. Mosquitocides. _Bull. 40, New Series U.S. Dept. Agric.,
Div. of Ento._, pp. 96-108, 1903. Results of experiments with a
number of substances, several of which were found to be