240 BIBLIOGRAPHY OF ECONOMIC ENTOMOLOGY. 



1721. RILEY, C. V. Continued. 



ber, 1879, pp. 52 + 1 p. expl. of pi., 7 pi. Notice : <Gardener's 

 Mo. and Hortic., November, 1879, v. 21, pp. 349-350. S.-b. No. 

 23, p. 29. 

 LETTER OF SUBMITTAL ;.. 207 



INSECTS AFFECTING THE COTTON PLANT 210 



Keport of special investigations carried on in 1878, 210 Organiza- 

 tion and personnel of the commission of inquiry, 210 Circular 

 letter of inquiries, 210 Report of A. R. Grote, 213 Seasons, hi- 

 bernation, and migrations of Aletia argillacea [=xylina'], 213 

 Discovery of parasites, 214 Food-plants of the imago, 214. 

 THE SILK WORM: A BRIEF MANUAL OF INSTRUCTIONS FOR THE PRO- 

 DUCTION OF SILK 215 



[A reprint of special report No. 11.] Culture of Seriearia mori in the 

 United States, 215 Profits of producing cocoons, 217 Profits of 

 reeling, 217 Profits in raising eggs, 218 Nature of the silk- 

 worm, 218 The egg, 219 The larva, 219 The cocoon, 220 The 

 chrysalis, 221 The moth, 221 Enemies and diseases, 241 Mus- 

 cardine, 221 Pe"brine, 222 Other diseases, 223 Varieties or 

 races, 223 Wintering and hatching the eggs, 224 Feeding and 

 rearing the worms, 225 Preparation for spinning, 228 Gather- 

 ing the cocoons, 229 Choking the chrysalis, 229 Egg-laying; 

 reproduction, 230 Reeling, 232 Food-plants, 235 Glossary of 

 terms used, 236. 

 THE GRAPE PHYLLOXERA 237 



Importance of American grape-culture, 237 Grafting of vines, 

 237 Distribution of Phylloxera, 238 Hoplessness of means 

 against, 238. 



NOTES ON THE APPLE-WORM 238 



Causes of the scarcity of Carpocapsa pomonella in Michigan, 238 

 Means against the same, 239. 



THE WESTWARD PROGRESS OF THE IMPORTED CABBAGE-WORM 239 



Spread of Pieris rapce, 239 Means against the same, 239. 



CHAPIN'S APPLE-LEAF SEWER, Phoxopteris nubeculana Clem 239 



Habits and natural history, 239 Its injury to apple-trees, 239 

 Means against it, 239 Description of larva and chrysalis, 239 

 Synonymy, 239. 



THE THICK-THIGIIED WALKING-STICK, Diapheromera femorata Say 241 



Vernacular names, 241 Nomenclature, 241 Characters, 241 De- 

 structive powers, 241 Habits and natural history, 243 Its ap- 

 pearance every alternate year, 244 Natural enemies, 244 

 Remedies, 245 Description of egg, 245 The larva, 245. 



THE GREAT ELM-LEAF BEETLE, Monocesta coryli, Say* 245 



Past history, 245 Ravages, 246 Habits, 246 The eggs, 246 The 

 larvae, 246 Habits of larvae, 246 The pupa, 246 Remedies, 247. 



THE JUNIPER WEB- WORM, Dapsilict rutilana, Hubn 247 



Importation, 247 Distribution in Europe, 247 Habits, 247 Rem- 

 edies, 248 Description of larva, 248; of pupa, 248; of imago, 



Translation: < Acker- und Gartenbau-Zeitung, 1 June, 1880, v. 11, p. 87, fig. 

 S.-b. No. 23, p. . 



