PINK BOLLWORM OF COTTON IN MEXICO. 57 
duced, reduction in the quantity of seed, and lowering of the quantity 
and quality of the oil content of the seed. 
Early cleaning of fields by burning all the old stalks and bolls, 
cleaning and fumigation of > gins, oil mills, and seed warehouses, the 
fumigation of all seed kept on the plantations, and the early maturity 
of the crop are recommended as means of control. 
LITERATURE CITED. 
(1) Hinds, W. E. 
1906. PROLIFERATION AS A FACTOR IN THE NaTURAL CONTROL OF THE MEXI- 
CAN cotton boll weevil. U. S. Dept. Agr., Bur. Ent. Bui. 59. 45 
p., 6 pi. 
(2) Maxwell-Lefroy, H. 
1906. indian insect pests. 318 p., 346 figs., and figs. A-S. Calcutta. 
(3) Fullaway, D. T. 
1909. insects of cotton in Hawaii. Hawaii Agr. Exp. Sta., Bui. 18. 27 p., 
18 figs. 
(4) Gough, L. H., and Story, G. 
1914. METHODS FOR THE DESTRUCTION OF THE PINK BOLL WORM (GELECHIA 
gossypiella, saund.) in cotton seed. In Agr. Jour. Egypt,- v. 3, 
pt. 2, 1913, p. 73-95, 5 pi. Ministry Agr., Cairo. 
(5) Gough, L. H. 
1916. THE LIFE HISTORY OF GELECHIA GOSSYPIELLA FROM THE TIME OF THE 
cotton harvest to the time of cotton sowing. Ministry Agr. 
Egypt, Tech. and Sci. Serv. Bui. 4 (Ent. Sect.). 16 p. 
(6) 
1916. NOTE ON A MACHINE TO KILL GELECHIA LARV.E BY HOT AIR, AND THE 
EFFECTS OF HEAT ON GELECHIA LARVAE AND COTTON SEED. Ministry 
Agr. Egypt, Tech. and Sci. Serv. Bui. 6 (Ent. Sect.). 18 p., 3 pi. 
(7) WlLLCOCKS, F. C. 
1916. the insect and related pests of egypt. v. 1. The insect and re- 
lated pests of the cotton plant, pt. I. The pink bollworm. Sul- 
tanic Agri. Soc, Cairo. 339 p., 17 figs., 10 pis. 
(8) Busck, A. 
1917. THE PINK BOLLWORM, PECTINOPHORA GOSSYPIELLA. In U. S. Dept. 
Agr., Jour. Agr. Research, v. 9, no. 10, p. 343-370. 12 pi., 7 figs. 
(9) King, H. H. 
1917. THE WEED HANBUK (ABUTILON SPP.) AND ITS RELATION TO THE COTTON- 
GROWING INDUSTRY IN THE ANGLO-EGYPTIAN SUDAN. Ent. Bui. 7. 
4 p. Khartoum. 
(10) Story, G. 
1917. MACHINES FOR THE TREATMENT OF COTTON SEED AGAINST PINK BOLL- 
WORM (gelechia gossypiella saund.). Ministry Agr. Egypt, Tech. 
and Sci. Serv. Bui 14 (Ent. Sec)- 2 ^ P- 
(11) Ballou, H. A. 
1919. COTTON AND THE PINK BOLLWORM IN EGYPT. PtS. I and II. In 
West Indian Bui., v. 17, no. 4, p. 237-292. 9 figs. 
(12) Gough, L. H. 
1919. ON THE EFFECTS PRODUCED BY THE ATTACKS OF THE PINK BOLLWORM 
on the yield of cotton seed and lint in egypt. Bui. Ent. Re- 
search, v. 9, pt. 4, p. 279-324. 
