179 



PRICE LIST OF INSECTICIDES IN BARBADOS, 1911. 



Paris green ... ... ... per Tb. 28-30 cents. 



London purple ... ... ... 24-30 



Arsenate of lead ... ... 24 



White arsenic ... ... ... 



Cyanide of potash ... ... ... 72 



Corrosive sublimate ... ... $ 1*44 



Boracic acid ... ... ... ,, 40 



Phosphorus ... ... ... $ 1'44 



Carbon bisulphide in 1 Ib. tins ... 60 



Fuma brand in 5gal. drums 15 



Whale-oil soap .. ... ... 10-12 



Hard soap ... ... ... ,, 6 



Soft soap ... ... ... 12-18 



Fish oil ... ... ... per gal. 48 60 



Rosin ... ... ... per Ib. 5 



Washing soda ... ... ... 4 ., 



Caustic soda ... ... ., 24 ,, 



,, in 10 Ib tins ... 18 



Carbolic acid (crude) .. 24 ., 



Lime, air slaked ... ... ... per bushel 6 ,. 



Sulphur (flowers' ... ... ... per Ib. ,, 



Pyrethrum . ... ... ,, 72 ,, 



Hellebore .. 84-48 



Turpentine ... ... . per pint 18-24 ,, 



Kerosene ... ... ... per gallon 15 



Citronella (oil) ... ... ... per oz. 12 ,. 



Lavender (oil) ... ... ... ,, 24 ,, 



Rergamot (oily ... ... ... 21 ,, 



Naphthalene, small quantities ... per ft). 24 



in large quantities . . ., 12 ,, 



Camphor ... ... ... per oz 10 



Alum ... ... ... per Ib. 10 



in large quantities ... ... 6 



THE APPLICATION OP INSECTICIDES. Within the past 

 few years, great progress has been made in the development 

 of pumps, nozzles and other appliances for spraying plants, 

 and there are also many devices for the dry application of 

 insecticides. 



Spraying apparatus ranges from elaborate power 

 outfits to portable sprayers carried by one man, and 

 syringes, atomizers and similar simple machines for the 

 treatment of house and garden plants. 



. 



