BIBLIOGRAPHY OF ECONOMIC ENTOMOLOGY 
2343. Riley, C. V.—Continued. 
Chapter XVI—Continued. 
and poisoned sweets, 379—Hand-picking, 380—Poisoning, 381— 
Pyrethrum, 381—Bibliography, 382. 
Explanation to plates.. 
Plate I-UI, 385—IV-VII, 386—VIII-XI, 387—XII-XVI, 388—XVII- 
XX, 389—XXI-XXV, 390—XXVI-XXVIII, 391— XXIX-XXXII, 
392—XXXIII-XXXVIII,393—XXXIX-XLII, 394-XLIII-XLVII, 
395 —XLVIII-LIII, 396—L1V-LVII, 397 — LVIII-LXI, 398— 
LXII-LXIV, 399. 
Appendices. 
Preface to appendices. 
Appendix I: 
Report of H. G. Hubbard. 
Report of observations made in 1881 upon Aletia and other insect 
enemies of cotton, in the State of Florida, [5] — Cotton injured 
more by Dysdercus suturellus than by Aletia xylina, [6]—And 
more by rust-mite than by either, [7]—Great destruction of 
Aletia eggs by Trichogramma pretiosa, [7]—Successions of broods 
of Aletia, [7]—Distribution of worms on plant, [8]—Tabular 
statement of periods of time occupied in each stage of growth, 
[10]—Locality of deposition of eggs on plant [12]—Proportions 
of light and dark colored worms, [12]—Effect of shade in protect¬ 
ing cotton, [12]—Periods of different stages, [13] — Copulation, 
[13] —Position of mothsat rest, [13]—Experiments with poisons, 
[14] —Pyrethrum, [14]—London purple, [15] — Poisoning the 
moths, [15]—Yeast, [16]—The boll-worm, Heliothis armigera 
Hiibn., [16]. 
Appendix II: 
Report of Prof. R. W. Jones. 
The cotton boll-worm, Heliotliis armigera, [17]—Its importance, [17] 
—Food-plants, [17]—Natural history, [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 dis¬ 
appearance 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. 
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]—Loudon purple, [32] — Paris green, 
[33] —Arsenic, [33], 
