TABLE OF CONTENTS. ix 



Kerosene as an Insecticide 43 



Particularly deadly to insects, 43. Is one of the cheapest insecticides 

 and very efficient, 43. Prejudice against its use from occasional injuries 

 to vegetation, 43. Has been used in an undiluted state, 43. Testimony 

 to its value for the destruction of scale-insects, 43. Method of mixing it 

 with water, 44. An emulsion made with the aid of milk, 44. Prof. Com- 

 stock's experiments in producing and diluting emulsions, 44. In all cases, 

 when not applied to vegetation, kerosene a valuable insecticide, 44. Use- 

 ful for collecting the Colorado potato-beetle, 44 ; also, the rose-bug, 45. 

 Cloths saturated with it for killing CurcidionUke jarred from trees, 45. A 

 saturated cloth arranged for sweeping infested low-growing crops, 45. 

 Useful for destroying lice upon domestic animals, 45. Convenient for use 

 in henneries infested with vermin, 45. May be applied to fowls for kill- 

 ing vermin, 45. Apparently disagreeable to some insects, acting as a re- 

 pellant, 45. Flies excluded from stables by its use, 45. 



Paraffine Oil as an Insecticide 46 



A popular insecticide in England, 46. Obtained by distillation of 

 Cannel coal, 46. The products of the crude oil, 46. Successfully used 

 against the carrot-fly. currant-worm and onion-worm, 46. May be greatly 

 diluted with water, 46. Effectual against aphides on larches, 46. Method 

 of mixing the oil with water, 46. When applied to the soil better results 

 obtained by mixture with absorbents, 46. May be conveniently used with 

 sand, 46. Protects from wire-worms, 46. 



Bisulphide of Carbon as an Insecticide 47 



First employed in France for destroying the grape phylloxera, 47. 

 Method of use, 47. Serviceable for other root-infesting insects, 47. A 

 remedy for the apple-root plant-louse, 47. Successful experiments with 

 it upon the larvae of the Anthomyian flies, 47. Strongly recommended 

 for use against the cabbage-fly, 47. Promises protection of plants from 

 egg-deposit, 47. 



Carbolic Acid as an Insecticide 4? 



Has also been used to arrest the ravages of phylloxera, 47. Protects 

 radishes from the radish-fly, 48. Destroys the small larvae and worms 

 which infest potted plants, 48. Of great service in removing vermin 

 from animals, 48. The Pediculidm of domestic animals. 48. Buchan & 

 Co.'s carbolic soap, 48. Combined with oil, cures " the fly " attacking 

 sheep, 48. Testimony of its value to the stock-raiser, 48. The crude car- 

 bolic acid should be used, 48. 



Soluble Phenyle as an Insecticide 48 



Introduced through the experiments of Miss Ormerod, 48. Its trade- 

 name, 48. Agency in the United States, 49. Its composition, 49. Insect 

 attacks arrested by it, 49. Serves as a preventive of attack, 49. Destroys 

 vermin on domestic animals, 49. Its reputation as a sheep-dip. 49. Di- 

 rections for use against aphides, and scale on orange-trees, 49 ; against 

 ants, 50. Experiments with it desirable, 50. Form in which sold, 50. 



Coal-tar as an Insecticide 50 



Substances experimented with for destruction of the phylloxera, 50. 

 Coal-tar among the best, 50. Extensively used for destroying the Rocky 

 Mountain locust, 50. Robbin's coal-tar pan, 50. General use of this pan 

 B 



