xii. Proceedings. \_January gth, 1922. 



or a form of weft mosaic similar to that used by the Copta and 

 the ancient Peruvians. 



The patterns are traditional, being handed down from mother 

 to daughter ; they are symbolical and, in some cases, designate 

 the rank or tribe of the wearer. 



Anthropomorphs, zoomorphs and phyllomorphs form the chief 

 motives and of these the animal patterns predominate. 



The connection between the patterns and the myths of the 

 Sea Dayak religion was explained, and the life-history of 

 patterns, in which man, the frog, crocodile, shrew and tiger 

 were used symbolicallj^, shown. 



The designs do not appear to have any affinity with those of 

 the islands of Sumatra or Java or the Malay Peninsula, and 

 for their origin we must therefore go back to the Proto-Malay 

 stock from whom the Iban probably sprang, or consider the 

 patterns a development due entirely to the Ibans themselves. 



Joint Meeting. 



Joint Meeting of the Society and the Manchester Sections of 

 the Society of Chemical Industry, The Institute of Chemistry 

 and the Society of Dyers and Colourists, January 6th, 1922, at 

 the Textile Institute. 



Dr. Edward Ardern, F.I.C. {Chairman of the Manchester 

 Section of the Society of Chemical Industry), in the Chair. 



Professor Arthur Harden, D.Sc, Ph.D., F.R.S., read a paper 

 entitled : — 



" Bio-Chemical Method." 



The paper dealt with the methods which had been devised 

 for Bio-Chemical research and the difficulties of obtaining 

 reliable results owing to the manufactures which entered into 

 experiments involving the living organisms. 



The occurrence of vitamines in foodstuffs was especially men- 

 tioned and the differences betw^een various kinds of vitamines 

 was explained. The serious effects of ill-chosen diet for 

 children were emphasized and attention was drawn to the 

 destruction of vitamines by heat and especially by contact with 

 air, whilst freezing had apparently a much less destructive 

 effect. 



" Young People's " Meeting, January 9th, 1922. 

 Mr. T. A. Coward, M.vSc, F.Z.S., F.E.S. (President), in the 



Chair. 

 The Second " Young People's " Meeting of the Society was 



