19!>1.] MIL C. B. WILLIAMS. 105 



in the iMiuistry of Aj,'ricultiu-e, Egypt. Mr. Williams from 1916 was 

 Entomologist in Charge of Eroghopper Investigations working under 

 the direction of a special Committee, (His Excellency the Governor,, ' 

 Hon. "W. G. Kay and the Director of Agriculture). The expenses of the^ 

 investigations were divided equally between the Government and the 

 chief sugar estate proprietors who were represented on the Committee 

 by Mr. Kay. Originally appointed for two years, ]\Ir. Williams wa^ 

 reappointed for another two, and in 1920 the sugar proprietors expressed 

 the hope that a permanent place would be found for Mr. Williams in 

 the reorganized Department. 



In Memoir No. 1 of the Department, recently published, Mr. 

 Williams has brought together a valuable summary of the work of all 

 earlier investigators and of his own on the Eroghopper, which will be of 

 the greatest service to future scientific workers, and to the sugar planters, 



W.G.F. 



Suggrested introduction of Arriba Cacao. 



The suggestion was made recently b^' Messrs. Rowntree & Co. that 

 it would be worth while introducing Arriba (Guayaquil) Cacao into 

 Trinidad. This variety of cacao is in special demand, having a 

 characteristic spicy flavour, which makes it especially useful for 

 certain purposes. The matter was discussed in detail but the feeling 

 of the planters was adverse, it being urged against the proposal that 

 there were few available areas in Trinidad where a new variety 

 could be grown without being altered by crossing with existing varieties, 

 also that there was the risk of introducing the Monilia disease from 

 Ecuador. Advantage was taken of the presence in the Colony of Mr. 

 S. K. Davies, Chemist to Messrs. Rowntree & Co., and he met 

 the Cacao Committee of the Board of Agriculture which decided ti> 

 recommend the experimental trial at River Estate of a few acres in 

 Arriba Cacao, provided a guarantee could be given that the introduction 

 would be free from any danger of introducing a fresh disease. 

 Messrs. Rowntree, Cadbury and Fry jointly ofiered to contribute iil03 

 towards the cost of the experiment, including the expenses of the 

 Mycologist visiting Ecuador to secure disease-free material. 



On the question coming before the Board of Agriculture, the earlier 

 views, already referred to, prevailed, and it was decided not to make 

 the experiment. 



Progress Reports. 



Presented to the Board of Agriculture on April 21, 1921. 



Eradication of Mosaic Disease. 



The campaign among the small holdings in the northern district is 

 being vigorously pursued. The work is in the immediate charge of 

 Mr. C. M. Roach, to whom great credit is due for organising and 

 directing the labour force employed. 



The number of farms in the infested district is in the nL-iglibourhood 

 of 1,700, and their acreage 1,'250, of whicli at least 1,000 acres has to be 

 worked over. 



