INDEX. 



Pace. 

 Habits of the Tree Cricket, (Illustrated,) 54 



Haltica clialyhea, " . 50 



Harris' Bark-louse, " . .31 



Hessian Fly .... 7 



Hippodamia maculata, (Illustrated,) . 32, 41 

 Hop-growing in the West . . .70, 73 



Imported Apple-tree Bark-louse, . . 81 



Imported Gooseberry Sawfly, . 67, 116 



Imported Insects — The Onion-fly, (Illnstratcd,) 64 

 Importing European Parasites, . 54 



Insects in the Orchard, . . .80 



Insects in the Soil. Destruction of . 80 



lalas multlstriatus, (Illustrated,) . . 34 



Jumping to Conclusions, . . 74, 94 



Klippart's "Wheat Plant, . . .27 



Ladybirds, (Illustrated,) . . 41 



Lema irilineata, " . . . .25 



Little Turk and its Crescent, . . 114 



Locusts and Grasshoppers, . . .1 



Lytta atrata, .... 26 



Lytta cinerea, . . . .26 



Lytta marginata, (Illustrated,) . . 26 



Lytta vittata, " . . 26 



Margined Blister-beetle, (Illustrated,) 26 



Mass of Blistakes, ... 70 



May Fly, 95 



More Universal Kemedies, . 93 



Nematus ventricosus, . . .67 



New Potato Bug, . . 13, 101, 116 



Nine-marked Ladybird, (Illustrated,) . 41 



None so blind as those who shut their eyes, 89 

 Northern Ladybird, (Illustrated,) . 42 



CEcantJius nivcus, (Illustrated,) . 54, 94 



Old-fashioned Potato Bugs, " . .25 



Onion Fly, " . .64 



Oyster-shell Bark-louse, (Illustrated,) . 31 

 Peach Worm, . . • . . 110 



Pear-tree and Apple-tree Insects, . . 92 



Pemphigus vitifolix, . . .17 



Plant-lice- 



Page. 

 -Their Friends and their Enemies, 



(Illustrated,) . . . .37 



Plug-ugly Theory, ... 69 



Plum Gouger, . . . .79 



Poisoning Noxious Insects, . . 52 



Potato Bugs, (Illustrated,) . 13, 25, 101, 116 

 Propeller Fly, .... 82 



Quacks and Physicians, . . .95 



Salutatory, . . 1 



Scientific Nomenclature, . . 105 



Scoli/tus. North American species of . 58 



Self-taught Entomologists, . . .91 



SphenopJiorus zese, . . . 117 



Spiders and Wasps in the Orchard, . . 31 



Spindle Worms, .... 115 



Spotted Ladybird, (Illustrated,) . 32, 41 



State Entomologist of Illinois, . . Ill 



Striped Cucumber Bug, . . 5, 20 



Syrphus Flies, (Illustrated,) . . 43 



Tettigonia vitis, (Illustrated,) . . 51 



The Tent Caterpillar of the Apple-tree, 117 



The three so-called Army Worms, . Ill 



The True Curculio, . . . .75 



Thousand-legged Worms, . . .70 



Three-lined Leaf-beetle, (Illustrated,) . 25 



Thrips, " . . 49, 50 



Thyridopteryx ephemerxformis, . . 53 



Tree Cricket. Habits of. (Illustrated,) 54, 94 

 Tree Cut- Worms, . . .67, 94 



Trimble's Insect Enemies of Fruit and Fruit- 

 trees, . . . . .20 

 True Thrips and Bogus Thrips, (Illustrated,) 49 

 Twice-stabbed Ladybird, (Illustrated,) 32, 41 

 Universal Remedies, . . 52, 69, 93 

 Use of Natural History, . .96 

 Valedictory, . . .111 

 Wheat Midge — Jumping to conclusions, 94, 99 

 Wire Worms, (Illustrated,) . . 61 



Page 9, column 1, line 1, for "chrysalises" read "four chrysalises." 



Page 9, column 1, line 12, for "1 — 5 inch" read " l-5th inch." 



Page 27, column 2, line 7 from bottom, before "6th, Trogosita" insert "5th, Calandra (^Si'tophiliis) 



granqria, the Grain Weevil." 

 Page 35, column 1, line 15, for "1861 " read "1867." ' 



Page 50, column 1, lines 15 and 14 from bottom, for "flea-beetle, {Halticay read " snout-beetlc, 



(^Apion.y 

 Page 56, column 2, line 35 — 36, for "I, p, 10," read "II, p. 10." 



