370 BIBLIOGRAPHY OF ECONOMIC ENTOMOLOGY. 



2418. EILEY, C. V. Continued. 

 THE CODLIXG-MOTH Continued. 



band system," 100 Professor Eiley's rnles concerning this sys- 

 tem, 100 The Wier shingle trap, 101 Cloth bands, 101 Dr. 

 Chapin's work in California in IS-2, 102 Spraying the trees with 

 arsenical mixtures, 103 Professor Cook's statements, 103 Pro- 

 fessor Forbes' conclusions from his experiments in 1885, 104 Mr. 

 Goff's experiments at Geneva, N. Y., during 1885, 106 Supple- 

 mentary conclusions by Professor Forbes, 106 Mr. Alwood's ex- 

 periments in Ohio the past season, 109 Results, 110 Mr. Cush- 

 man's letter, 111 The consideration of these poisons in Califor- 

 nia, 111 Time of day for spraying, 112 Notice of Mr. Dixon's 

 paper, 113 Apparatus for applying the arsenical mixtures, 114. 

 SILK-CULTUREREPORT OF THE YEAR'S OPERATIONS. By Philip Walker 115 



Distribution of silk-worm eggs, 115 European egg-producers, 115 

 The establishment of Signor Susani, of Milan, 115 Deydier es- 

 tablishment at Aubenas, France, 117 Mulberry trees, 117 The 

 Cattaneo nurseries, 117 Experimental stations, 118 The Royal 

 Sericultural Experimental Station at Padua, 118 Experimental 

 silk filature at Washington, 119 Production and purchase of 

 cocoons, 120 Co-operating organizations, 122. 



REPORTS OF AGENTS 123 



REPORT ON THE GAS TREATMENT FOR SCALE-INSECTS. By D. W. 



Coquillett 123 



Letter of transmittal, 123 The gas treatment for scale-insects, 

 123 Extract from Mr. Craw's paper, 124 Results of Dr. Dim- 

 mock's experiments on various insects with pure gases, 125 The 

 tent, 126 Apparatus for operating the tent, 126 The McMuDen 

 tent, 126 The Wolfskill fumigator, 127 The Titus fumigator, 

 128 The Culver fumigator, 129 The gas, 129 The dry cyanide 

 process, 129 The dry gas process, 130 The cyanide and soda 

 process, 131 Remarks, 132 Agitating the air in the tent, 133 

 Experiments, 134 Index to experiments, 142. 

 REPORT ON EXPERIMENTS AGAINST SCALE-INSECTS. By Albert Koebele 143 



Letter of submittal, 143 The value of arsenic as an addition to 

 the kerosene emulsion, 143 Results of various experiments with 

 resin compound, 143 Experiments with resin compound, 146 

 Experiments on Aphididce with resin compound, 146. 

 REPORT ON THE SEASON'S OBSERVATIONS IN INDIANA, AND ESPE- 

 CIALLY UPON CORN INSECTS By F. M. Webster 147 



Letter of transinittal, 147 The twelve-spotted Diabrotica, 148 The 

 corn plant-louse, 148 Corn bill-bug, 149 Myochrous denticollia, 

 150 Flea-beetles, 150 The greasy cut-worm, 150 Ants, 150 

 Drasterius dorsalis (?), 151 Chinch bug, 151 Corticaria pumila, 

 15ICalathu8gregariu8 (Say) versus the Colorado potato-beetle, 

 151 A new enemy to the bean and cow-pea, 152 The straw- 

 berry saw-fly, 152 Wheat wire- worm, 153. 

 REPORT UPON THE INSECTS OF THE SEASON IN IOWA. By Herbert 



Osborn : 154 



Letter of trausmittal, 154 The turf web-worm or sod- worm, 154 

 Extracts from crop report, 155 Habits and life-history, 156- De- 

 scription of diiferent stages, 158 Remedies, 159 Natural ene- 

 mies, 160 Other mention of the species and related forms, 160 

 The wheat-head army-worm, 160 Extracts from Iowa crop re- 

 port, ICO Blister beetles, 161 The false chinch-bug, 162 

 Notes on miscellaneous insects, 162. 



