323 



to the peculiar nature and sparse population of some parts of the 

 country, to prevent every swarm from reaching the tiying stage, and 

 only by co-operation can successful measures be taken against the 

 winged insect, the Government being willing to assist by supplying 

 poison, pumps, etc. The use of aeroplanes, which has been suggested 

 against winged locusts, is considered impracticable. 



Swaziland Cotton Growing Proclamation, 1921. — Capetown, no. 63, 

 9th September 1921. [Received 27th April 1922.1 



Under the above proclamation, dated 9th September 1921, the High 

 Commissioner is empowered to make, alter and repeal regulations, 

 and to provide penalties, connected with the importation of cotton 

 plants or seeds ; for the requisitioning or compulsory purchase by 

 the Swaziland Administration of cotton seed in Swaziland suitable 

 for sowing purposes ; for the destruction of all cotton plants or portions 

 thereof after the season's crop has been picked ; for dealing with diseases 

 affecting cotton ; and for the regulation of the planting, cultivation 

 and harvesting of cotton. 



High Commissioner's Notice, No. 66 of 1921. — Capetown. 12th 

 September 1921. [Received 27th April 1922.] 



Under the Swaziland Cotton Growing Proclamation, 1921, the 

 following regulations came into force from the 12th September 1921. 

 No cotton plants or portions thereof may be imported into Swaziland 

 from any place without permission in writing from the Resident 

 Commissioner. All cotton plants or portions thereof that are above 

 the surface of the soil shall be destroyed by the owner by burning 

 after the first season's crop has been picked, and they shall not be 

 allowed to remain after the 15th August in each year without per- 

 mission in writing from the Resident Commissioner for an extension 

 of time, and then only for the period of such extension. All roots 

 shall be lifted by digging to a depth to prevent their re-growth, or by 

 ploughing the land not later than the 31st August of each year, except 

 with the permission as above mentioned. No person shall grow 

 cotton from seed not up to a given standard of quahty. The Resident 

 Commissioner may at any time prior to the 15th June of each year, 

 or thirty days after the submission of a sample, requisition for dis- 

 tribution any cotton seed suitable for sowing purposes, and not 

 required for the grower's own planting. Growers must submit samples 

 of seed for sowing purposes to the Resident Commissioner before 

 disposal. Regulations in respect of penalities are also given. 



Navel (H. C). Les Principaux Ennemis du Cacaoyer aux lies de 

 San-Thome et de Principe. — Paris, Emile Larose, 1921, 135 pp., 

 3 figs., 28 plates, 4 coloured plates, 2 maps. [Received 8th May 

 1922.] 



This is the report of a mission to San Thome and Principe in 1919, 

 organised by the Sociedade d'Emigragao para S. Thome e Principe 

 in view of the increased losses due to pests and diseases of cacao. 

 During a visit of over six months nearly every one of the estates was 

 carefully inspected. The importance of each enemy is discussed, 

 special attention being paid to insects, of which the following were 

 observed : Heliothrips rubrocinctus, Giard ; Helopeltis sp. [sanguineus. 



