174 Fiftieth Report on the State Museum 



PAGE. 



emerge and deposit eggs, 339. Observe the young hirvte and their 

 change as they molt, 339. Watch the operation of spinning the couoon, 

 339. Note the threads firmly securing the leaf to the twig, 340. The 

 result of cutting the leaf from the twig, 340. Observe the structure of 

 the cocoon and look for the moths when they emerge, 340. The rapid 

 expansion of the wings, 341. The importance of the study, 341. Losses 

 to crops by insect attack, 341. Much of this injury can be prevented, 

 342. The estimated number of species of insects, 342. The large 

 amount of study needed, 312. Insects omnipresent, 343. The study 

 neglected by the majority, 343. Institutions of learning giving courses 

 in entomology, 343. No text books adapted for young students, 344. 

 Lectures may supply this deficiency, 344. Method of lectiiring at Low 

 ell Institute, 344. The large field for study which entomology oflers, 345. 



(C) LIST OF PUBLICATIONS OF THE ENTOMOLOGIST 347 



On the Girdling of Elm Twigs by the Larvse of Orgyia leucostigma 

 and its Results: Wire-Worms in Corn: A Solution for Killing Worms : 

 The Apple Maggot, Trypeta pomonella, 347. Apple Maggot : The Cheese 

 Skipper: Scale lusects: The Southern Corn-Root Worm, 348. Thous- 

 and-Legged Worms Infesting Greenhouses: A Handbook of British 

 Lepidoptera : Elm-Leaf Beetle : The Harlequin Cabbage Bug, 349. A 

 Plum Mite : The " Fire Worm : " On the Girdling of Elm Twigs by the 

 Larvpe of Orgyia leucostigma and its Results: Fruit Tree Aphides : [Kill 

 the Larvfe of the Elm-leaf Beetle], 350. [Report on the Work of the 

 Gypsy Moth Committee after an examination made in June, 1893] : The 

 Elm-tree Beetle in Albany ; Rose Bugs : Tenth Report on the Injurious 

 and Other Insects of the State of New York for the year 1894, 351. The 

 Army Worm Invasion ; Wire Worm : The Army Worm Invasion, 352. 

 Tent Caterpillar : The Army Worm ; Cut-worms and Borers : More about 

 the Army Worm, 353. Snapping Bugs : Blister Beetles : Willow Butterfly : 

 Caterpillars and Parasites: The Oak Pruner, 354. The Beech-Tree 

 Blight : Elm-Tree Borer : The Cecropia Moth : Imported Scale Insects : 

 Pea Bugs : Rose-Leaf Hopper, 355. The Wheat Wire Worm : Apple- 

 Tree Borers: Notes on some of the Insects of the Year in the State of 

 New York : Eleventh Report on the Injurious and Other Insects of the 

 «tate of New York for the Year 1895, 356, 



