PIXK BOLLWOBM OF COTTON IX 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 X.iTUEAL CONTROL OF THE MEXI- 

 CAN cotton boll weeyil. 17. 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 hawah. 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, satjnd.) 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 LARVAE BY HOT AIR, AND THE 



EFFECTS OF HEAT ON GELECHIA LARY.E AND COTTON SEED. Ministry 



Agr. Egypt, Tech. and Sci. Serv. Bui. 6 (Ent. Sect.). 18 p., 3 pi. 



(7) Wtllcocks, 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 (aBUTTLON SPP.) AND ITS RELATION TO THE COTTON- 

 GROWING INDUSTRY IN THE ANGLO-EGYPTIAN SUDAN. Ent. Bill. 7. 



4 p. Khartoum. 



(10) Story, G. 



1917. MACHINES FOR THE TREATMENT OF COTTON SEED AGAINST PINK BOLL- 

 WORM (gelecfha gossypiella saund.). Ministry Agr. Egypt, Tech. 

 and Sci. Serv. Bui 14 (Ent, Sec). 29 p. 



(11) Ballot:, H. A. 



1919. COTTON AND THE PINK BOLLWORM IN EGYPT. PtS. I and II. Ill 



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. 



