TABLE OF CONTENTS. Ill 



(&) INVERTEBRATE ENEMIES Continued. 



metapodius, 167 ; the devil's horse, 168 ; the rapacious soldier bug, 

 169; the asilus flies, 170 ; tiger beetles, 173; ground beetles, 174; sol- 

 dier beetles, 175; lady bugs, 176; the boll-worm, 179; the grass- 

 worm, 179; wasps, 180; ants, 181; general testimony, 184; Dr. Mc- 

 Cook's report, 182. 



Parasitic : Former notices of parasites, 190 ; Dr. Gorham's account, 190 ; 

 Mr. Affleck's account, 191 ; Mr. Glover's account, 191 ; Dr. Phares's 

 mention, 192 ; Mr. Jones's account, 192 ; the cotton-worm egg para- 

 site, 193 ; general remarks on chalcididae, 193 ; the ovate chalcis, 194 ; 

 Cirrospilus esurus, 195; unnamed chalcid parasite, 196; Didictyum zig- 

 zag, 197; general remarks on ichneumonidae, 198; the yellow-banded 

 ichneumon, 198; the ring-legged pimpla, 200; Cryptus nun<iius, 201; 

 the tachina flies, 202; the flesh flies, 204; Phora aletiae, 208; sum- 

 mary, 211. 



CHAPTER VII. 



REMEDIES 215 



Report of experiments by Mr. Trelease, 215 ; preventive measures, 230 ; pro- 

 tection of insectivorous birds, 230 ; encouragement of the insect enemies 

 of the cotton- worm, 230; thorough cultivation, 231; destruction of eggs, 

 231 ; collecting larvae by hand, 231 ; destruction of larvae by poisons, 232 ; 

 Paris green, 232; Texas cotton-worm destroyer, 233; London purple, 234; 

 Johnson's dead-shot, 234 ; objections to the use of arsenic and its com- 

 pounds, 234 ; carbolic acid, 235 ; kerosene, 235 ; pyrethrum, 236 ; modes 

 of applying poisons, 236 ; wet poisons, 238 ; Whitman's fountain pump, 

 239 ; Doughtry's machine, 243 ; Willis's machine, 243 ; Johnson's machine, 

 244 ; dry poisons, 245 ; Young's dusting apparatus, 246 ; Allen's machine, 

 247 ; Willis's machine for dry poisons, 248 ; Davis's machine, 249 ; Levy's 

 machine, 250; Eldridge's machine, 251; Robinson's machine, 252; de- 

 struction of larvae by machinery: Helm's machine, 253; Ewing's ma- 

 chine, 255 ; destruction of pupae, 256. 



Destruction of moths : General testimony, 256 ; poisoned sweets, 257 ; testi- 

 mony, 258; observations of Professor Smith, 259; observations of Pro- 

 fessors Willet and Comstock, 260 ; fruit recommended, 261 ; best poison, 

 261 ; advisability of use of poisoned sweets, 262 ; Heard's moth trap, 262 ; 

 fires, 262; trap lanterns, 263; Colonel Lewis's lantern, 263; Mr. Trelease's 

 evidence, 2(54 ; conclusions in regard 'to the use of lanterns, 264; B. F. 

 McQueen's lantern, 265 ; I. G. G. Garrett's lantern, 266; J. R. Duke's 

 lantern, 267; J. R. Stephens's invention, 267; Richard Pitman's moth 

 trap, 268 ; C. R. Dudley's moth trap, 269 ; G. C. Cranston's lantern, 270 ; 

 E. D. Pugh's lantern, 271 ; Thomas Byrne's lantern, 272; Mark Rigel's in- 

 vention, 273 ; J. Stith's lantern, 274. 



CHAPTER VIII. 



BIBLIOGRAPHY 276 



PART II. 

 THE BOLL-WORM. 



CHAPTER I. 



IMPORTANCE OF THE SUBJECT 287 



Comparison of the destruction caused by the cotton- worm and the boll- 

 worm, 287 ; testimony of correspondents, 288 ; injury to corn, 289 ; esti- 

 mates of damage by boll-worm exaggerated, 289; insects causing Jailing 

 of bolls and buds, the work of which is laid .to the boll-worm, 290. 



