Inclement Weather^ Diseases, Etc. 



33 



which is three and one half inches wide, is slightly con- 

 vex, and pierced with a great number of small holes. 

 A lid, A, two inches in diameter, allows the sulphur to 

 be introduced at the upper part. Inside, a little above 

 the bottom, some crossed wires, C [Fig. 125], serve to 

 pulverize the lumps of sulphur. The objection to this 

 dredging-box is that it does not reduce the sulphur suf- 



[FiG. 124.] Laforguis Dr edging-Box. 



ficiently fine when scattering it, thus necessitating more 

 material for the same surface, and it does not send out 

 the sulphur with so much force as the bellows, so as to 

 sprinkle the plants all over. M. Laforgue has improved 

 his instrument by diminishing the size of the holes, and 

 it has since worked well. 



[FiG. 125.] Section of Preceding Figure. 



Messrs. Ouin and Franc have tried to improve M. 

 Laforgue's dredging-box, by adding a woolen tuft, A 

 [Fig. 124], attached to the bottom, B [Fig. 125], also 

 pierced with a number of holes. The sulphur is thus 



