336 BIBLIOGRAPHY OF ECONOMIC ENTOMOLOGY. 



2337. RILEY, C. V. The grain moth. <Rural New-Yorker, 7 Novem- 



ber, 1885, v. 44, p. 744. S.-b. No. 03, p. 56. 



Habits, descriptions, ravages, and means against Asopia farlnalia. 



2338. [RiLEY, C. V.] Profits of silk-culture. <Rural New-Yorker, 26 



December, 1885, v. 44, p. 885. S.-b. No. 63, pp. 50-51. 



Answer to inquiry of J. M. S. ; actual cost of producing silk in different parts 

 of the United States. 



2339. RILEY, C. V. Aletia xylina vs. A. argillacea. <Entom. Amer., 



December, 1885, v. 1, pp. 161-163. 



Reasons for considering Aletia xylina the correct name for the cotton-worm ; 

 advance print from No. 2343. 



2340. [ RILEY, C. V.J [Euplianessa mendica, etc.] <Entom. Amer., De- 



cember, 1885, v. 1, pp. 170-171, 173, 176. 



Remarks on papers read at the A. A. A. S. ; Euphanessa mendica considered a 

 geometrid ; some characters of the Lepidoptera ; life-habits of JEgeridce. 



2341. RILEY, C. V. On the hitherto unknown mode of oviposition in 



the Carabidce. Abstract: <Proc. Amer. Assoc. Adv. Sci. for 

 1884, 1885, v. 33, pp. 538-539. 



History of Chalcenius impunctifrons traced from egg to imago ; eggs laid singly 

 on leaves of trees inclosed in mud or clay. 



2342. RILEY, C. V. [Report of the Edinburgh International Forestry 



Exhibition.] <Rept. U. S. Dept. Agric. for 1884, 1885, pp. 167- 

 179. 

 Brief mention of some of the insect collections exhibited. 



2343. RILEY, C. Y. Fourth report of the United States Entomological; 



Commission, being a revised edition of Bulletin No. 3, and the 

 final report on the cotton-worm, together with a chapter on the 

 boll- worm, with maps and illustrations. < Washington: 1885, 

 [3 February, 1886], pp. 38+399+147, 45 figs., 64 pi., 2 maps. 



LETTER OF SUBMITTAL xvii 



PREFACE xix 



INTRODUCTION - xxiii 



CHAPTER I: 



Classification and nomenclature. Destructiveness 1 



Popular and scientific names, 1 Most desirable popular name, 1 

 Different technical names, 1 History of these names, 1 The 

 name Aletia xylina the correct one, 1 Syuonomy of the insect, 

 2 Classificatory position, 2 Importance of the family Noctui- 

 dse, 2 Destructiveness of the worm, 2 Causes which increase 

 this destructiveness, 2 Regions where losses are greatest, Si; 

 and least, 3 Tabular statement of losses, 3 Previous state- 

 ments, 3 Statement of losa in 1881, 4. 

 CHAPTER II: 



Characters, habits, and natural history , 5 



Distinct states of growth, 5 The worm must hatch from an egg, 

 5 Description of egg, 5 Where the egg is laid, 5 Number of 

 eggs to a leaf, 6 Time elapsing before hatching, 6 Unhatched 

 eggs perish when frozen, 6 Insects' and other eggs mistaken for 

 eggs of Aletia, 6 Characters of worm, 6 Description of newly- 

 hatched worm, 6 Number of molts, 7 Different colors of worm, 



