TABLE OF CONTENTS. 
V 
CHAPTER VI. 
Page. 
The Cotton Belt. By Prof. E. A. Smith 59 
A. General features of the cotton State* 59 
Region Included in the cotton belt, 59 — climate, 59 — winds, 59 — rainfall, 
59-431— temperature, 61-62 — geological sketch, 62-63— topography, 03- 
64 — soils, 64-05 — agricultural subdivisions, 65— regions of forest growth, 
66-67. 
B. Description of the agricultural .subdivisions 67 
The alluvial region, 67-68— the lower prairie region, 6S-69 — the long-leaf 
pine region, 69-71 — the oak uplands region, 72-73 — the upper prairie re- 
gion, 73-75 — the red and brown loam region, 75-77 — the sandy and sili- 
ceous lands of the older formations, 77-79 — the gneissie region, 79-80. 
CHAPTER VII. 
Terrestrial and meteorological i.mhtnvi b AFFECTING the WORM 81 
Condition of soil and plant connected with the appearance of the first 
worms, — the earliest worms are confined to the low lands." Si — and 
to luxuriant plants, 82— and to the vicinity of winvr shelters, S2— and to 
the same localities, *2— inlluence of wet weather on the development of 
the worms, 83 — severe rains with g;iles destroy botb worms and crop, 
83 — late cold rains do the same, > \ — frequent summer rains favor the de- 
velopment of the worms, 84 — hot, dry weather destruct ive to them, H4 — 
artilicial drought produces the same effect, -4— indirect Influences of wet 
weather in favoring the development of the worms, -5— immunity of the 
worms from their enemies in wet weather. S5 — drowning of ants by heavy 
showers, 85 — wet weather prevents poisoning and working the cotton, 85 — 
letter from J. W. Du Bose on the inlluence of winds on Aletia, 85-86. 
CHAPTER VIII. 
Natural enemies 87 
General remarks, 87 — importance lessened l.y the use of arsenical poisons, 
87 — vertebrate enemies, 87 — quadrupeds, 87 — birds, 87 — English spar- 
row, 88 — toads and lizards, 89 — invertebrates, 89 — spiders, 89 — ants, 90 — 
species of ants dest roving Ah tia, 90 — Hubbard's observations on ants, 
9*2 — the leaf-cutting ant, 94 — wasps, :i| — Coleoptera, 95 — tiger-beetles, 95 
— ground-beetles, 95 — lady-birds, 96— soldier-hectics, 96 — Heteroptera, 97 
— list of species, 97 — Dipteia, 99 — Orthoptera, 99 — Neuroptera, 100 — Lepi- 
doptera, 100 — parasites, 101 — list of species, 101 — the Trichogramma egg- 
parasite, 102 — the coctoii-worin Microgaster, 1(14 — Comstock's Kupleetrns, 
lu5 — ElacJiistus < uplcctri, a secondary parasite, 11)0— the common nVsh-lly, 
107 — Cyrtoneura stabuhuiH, 10*^— is it parasitic? IPS- tachina-llies, 1P9 — 
their habits, 109— the watchful Pimp]*, 111 — the Ring-legged Pimpla, 113 
— Cryptus nuncius, 113 — the Ovate Chalcis, 114 — the Devouring Tetrasti- 
chus, 115— species that are easily mistaken for parasites of Aletia, 115 — 
Hexaplasta zyizay, 115 — 1'hora aletias, 116. 
CHAPTER IX. 
Preventive measures 120 
Mode of cultivation, 120 — improving cotton seed, 120 — forcing the young 
plants, 120 — transplanting from hot-beds, 120 — objections, 121 — frequent 
cultivation, 121 — topping the cotton, 121 — fertilizers, 121 — sulphuric 
acid on seeds, 121 — late planting, 121 — " worm-proof cotton," 121 — diver- 
sified agriculture, 122 — rotation of crops, 122— jute as a protection, 122 — 
