Parliamentary Publications. 



411 



boric acid. The amount of such preservative to be notified 

 by a label upon the vessel. 



(d) That the only preservative permitted to be used in 

 butter and margarine be boric acid or mixtures of boric acid 

 and borax to be used in proportions not exceeding 0.5 per 

 cent, expressed as boric acid. 



(e) That in the case of all dietetic preparations intended for 

 the use of invalids or infants chemical preservatives of all 

 kinds be prohibited. 



(/J That the use of copper salts in the so-called greening 

 of preserved foods be prohibited. 



(§■) That means be provided, either by the establishment ot 

 a separate Court of Reference, or by the imposition of more 

 direct obligation on the Local Government Board, to exercise 

 supervision over the use of preservatives and colouring 

 matters in foods, and to prepare schedules of such as may be 

 considered inimical to the public health. 



Memoirs of the Geological Survey : Summary of Progress for 



1900. Price is. 



The memoir deals largely with the structure and charac- 

 ters of the Highland schists with the marbles of Assynt, 

 with the old red sandstone, associated volcanic rocks and 

 granite of Argyllshire, and with the volcanic rocks of Arran 

 and Skye. Observations are also recorded on the volcanic 

 rocks in the Silurian series of the east and south of Ireland. 



There is a summary of the recent work in the South Wales 

 coal-field, with particulars of the coal seams and of the faults 

 which affect the strata near Swansea. The discovery of 

 Radiolarian chert in the lower carboniferous rocks of Gower 

 is mentioned. Details are also given of the work in the 

 North Staffordshire coal-field, and of that which is being 

 carried on in Cornwall and in Devon. 



Descriptions are given of the drift and more recent deposits 

 in various parts of Scotland, in South Wales, and in the 

 Southern and Midland Counties of England. 



