F[Q. 31. FUMICATIOX (IF A HOCSE TO DESTKUY .STE(;o:MVlA KV 



APPARATUS, SECONDEE, WEST AFRICA. 



I1,A \ I'o.N >t LIHIK 



Fig. 32. — house ix trocess of sulphur fu:mig.atiox, secondee, west africa. 

 p. Ill] 



