X TABLE OF CONTENTS. 



in Minnesota, 50. Governor Pillsbury's indorsement of its value, 50, 

 Extent to which it was manufactured and employed, 51. Another simple 

 trap described, 51. The traps useful against other insects than locusts, 

 51. Application of coal-tar by means of the irrigating ditches in Colo- 

 rado, 51. Convenient method of use against garden insects, 51. Its 

 smoke preventive of curculio attack, 51. Coal-tar a residual product of 

 gas manufacture, 52. Utilization of other of the residuals, 52. Ammo- 

 niacal liquid, 52. Cost of coal-tar, 52. 



Gas-lime as an Insecticide 52 



Regarded with much favor in England, 52. Satisfactory results from 

 its use, 52. A refuse material in gas manufacture, 52. How obtained, 

 53. Quantity produced, 53. Its value as a fertilizer, 53. Amount that 

 may be applied to the soil, 53. Its use, in its fresh state, as an insecti- 

 cide, 53. Insects which it should destroy, 54. Should prove a remedy 

 against the "white-grub" ravages, 54. Keasons for this belief, 54. 

 Useful for destroying hibernating insects, 54. Useful upon infested 

 crops, plowed under, 54. Its use suggested for the clover-seed midge 

 and the clover-root borer, 54. Its change by age and exposure, 55. Its 

 composition, 55. Length of time that it may be exposed before use, 55. 

 Valuable in preventing insect attack, 55. 



REMEDIES FOR INSECT DEPREDATIONS 56 



Mention of some of the remedies (other than the insecticides noticed) 

 for the control of insect ravages, 56. Cannot be accompanied with special 

 directions for their use, 56. Hand-picking larvfe and eggs, 56. Success 

 attending the collection of the eggs of the Grape-vine Tortrix in Europe, 

 56. Government decree for its annual performance, 56. Tree-jarring, 

 with an apparatus to be used in connection, described and illustrated, 57. 

 Beating from low vegetation, 57. Collecting the webs of tent-caterpil- 

 lars, 57. Cutting off infested twigs and crushing leaf-rollers, 57. De- 

 stroying infested fallen fruit, 58. Cutting out or probing for borers in 

 tree-trunks, 58. Digging for cut-worms, 58. Searching with a lantern 

 for night-feeding caterpillars, 58. Attracting to fires, lamps and pois- 

 oned sweets, 58. Burning refuse vegetation, 58. Deep plowing, ditch- 

 ing and barricading, 58. Rolling the ground, 59. Benzine for the car- 

 pet-bug, 59. Sprinkling with hot water, solutions, chemicals, extracts, 

 etc., for insects specified, 59. Directions for a soap solution for the rose- 

 bush aphis, 59. Dusting with air-slacked lime for the asparagus beetle 

 and other coleoptera, 59. Dusting with soot, wood-ashes and road dust 

 for the currant-worm, etc., 60- Showering soap solutions and fish-brine 

 upon trees for scale-insects, 60. Prof. Comstock's experiments with a 

 soap solution on the red scale of California, 60. Smoking house-plants 

 with tobacco, 60. Sheep in orchards to feed on fallen fruit and fertilize 

 the soil, 60. Employing swine and fowls for feeding upon insects, 61. 

 Protecting certain insectivorous birds, 61. Making war upon the English 

 sparrow which gives protection to a class of injurious caterpillars, 61. 

 Protecting the skunk for service rendered the hop-grower, 61. Domesti- 

 cating toads in gardens, 61 . Colonizing lady-bugs and distributing para- 

 sites, 61. Notice of the successful distribution of a bark-louse parasite, 

 61. Tobacco wash, and the " Sheep Dip " of Buchan & Co., 62. Cresylic 



