TABLE OF CONTENTS. XI 



Page. 

 APPBXDIGES [1] 



Preface to appendices [3] 



APPENDIX I. 

 Eeport of H. G. Hubbard [5] 



Report of observations made in 1881 npon Aletia and other insect enemies 

 of cotton, in the State of Florida, [5] — ootton injured more by Dysder- 

 ciis suturellus than by Aleiia xylina, [6] — and more.by rust mite than by 

 either, [7] — great destruction of Aletia eggs by Tncho gramma pretiosa, 

 [7] — succession of broods of Aletia, [7] — distribution of worms on plant, 

 [8] — tabular statement of periods of time occupied in each stage of growth, 

 [lOJ — locality of deposition of eggs on plant, [12] — proportions of light 

 and dark colored worms, [2] — effect c»f shade in protecting cotton, [12] — 

 periods of different stages, [13] — copulation, [13] — position of moths at 

 rest, [13]— experiments with poisons, [14] — pyrethrum, [14] — London 

 purple, [15] — poisoning the moths, [15] — yeast, [16] — the boll worm, Heli- 

 othis armigera Hiibn., [16]. 



APPENDIX 11. 



Report of Prof. R. W. Jones [17] 



The cotton boll worm, Heliothis armigera, [17] — its importance, [17] — food- 

 plants, [17]— natural Mstory, [18] — the egg, [18] — the larva, [18] — 

 chrysalis, [19] — the moth, [19] — weather, [19] — natural enemies, [19] — 

 Cotton army worm, Aletia xylina, [19]— first appearance observed in 

 1880, [19] — experiments with poisoned sweets, [20] — with adhesive sweets, 

 [20] — gradual disappearance of moths in October, [20] — preparation of 

 vegetable substances as insecticides, [20]— pyrethrum, [21 ] — experiments 

 with pyrethrum [22]. 



APPENDIX III. 



Report of J. P. Stelle [25] 



First appearance of Aletia xylina and Heliothis armigera in Texas in 1880, 

 [25] — cotton blight, [25] — its symptoms, [25] — its causes, [26] — boll rot, 

 [26] — its symptoms, [27] — its cause, [27] — the flare, [27] — its symptoms, 

 [27] — its probable cause, [27] — other food-plants than cotton for Aletia, 

 [27] — none found for the larva, [27] — many for the moth, [27] — food of 

 larva of Heliothis armigera, [28] — annoyances to the cotton worm, [28] — 

 common salt, [28] — saltpeter, [28] — road dust, [28] — open spaces, [28] — 

 trees, [29]— shade, [29]— natural enemies, [29]— birds, [29]— ants, [29]— 

 other insects, [30] — the yeast ferment remedy, [31] — pyrethrum powder, 

 [31]— other vegetable poisons, [32] — arsenical poisons, [32] — London 

 purple, [32] — Paris green, [33] — arsenic, [33]. 



APPENDIX IV. 



Reports of Dr. E. H. Anderson [37] 



For 1880, [37] — seasons and habits of ^. xylina, [371— of Heliothis armigera, 

 [37]— localities of first appearance of A. xylina in the season, [37] — rea- 

 sons for this first appearance, [37], [38] — hibernation of this insect in 

 some form, [38] — causes of undue multiplication of the worms, [38] — in- 

 fluence of ants on the number of worms, [38] — habits of ants, [.38] — other 

 insects gathering sweets from the cotton plant, [39]— jute growing amidst 

 cotton has no effect on the worms, [39] — Saturnia io found eating cotton, 

 [39]— an enemy of the cotton worm found, [39] — experiments with Lon- 

 don purple, [39] — with pyrethrum extract, [39] — with yeast, [40] — eggs 

 of insects found on cotton leaf, [40] — characteristics of season of 1880, 

 [40] — Report for 1881, [40] — diary of observations on issuance, egg- 



