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Plate IX. Fig. 36. — Small boll riddled by feeding punctures 60 



Fig. 37. — a, Feeding puncture closed by woody growth from carpel; 



b, gelatin formation following weevil injury 60 



Fig. 38. — Boll showing two locks destroyed by two feeding punc- 

 tures of male weevil 60 



Fig. 39. — Device used to test weevil choice of squares 60 



X. Figs. 40 and 41. — Mexican cotton boll weevil (Anthonomus grandis) 64 



Fig. 42. — Bloodweed- weevil (Lixus) : 64 



Fig. 43. — An acorn weevil (Balaninus uniformis) 64 



Fig. 44. — Apple curculio (Anthonomus sculellaris) 64 



Fig. 45. — Pepper weevil (Anthonomus seneotinctus) 64 



Fig. 46. — Ironweed weevil (Desmoris seajxdis) , 64 



XI. Fig. 47. — Transverse Baris (Baris transversa) 64 



Fig. 48. — Centrinus peniceUus 64 



Fig. 49. — Coffee-bean weevil (Arxcerus fasciculatus) : a, Larva; 



b, adult ; c, pupa 64 



Figs. 50 and 51. — Cowpea-pod weevil ( Chalcodermus vermis).: 64 



XII. Figs. 52 and 53. — Sharpshooter (Homalodisca triquetra) „ 64 



Fig. 54. — Cotton stainer (Dysdercus suturellus) 64 



Fig. 55. — Cotton-stalk borer (Ataxia crypto) 64 



Fig. 56. — Imbricated snout beetle (Epicxrus imbricatus) 64 



Fig. 57. — A snapping beetle (Monocrepidius vespertinus) 64 



XIII. Fig. 58. — Device used to test attraction of molasses for weevils in field 



Figs. 59 and 60. — Weevils " playing 'possum " 64 



Fig. 61. — Method of obtaining exact data regarding weevil work in 



field 64 



XIV. Fig. 62. — Section of square showing location of egg 80 



Fig. 63. — Hull stripped from boll showing two eggs on inner surface 80 



Fig. 64. — Section of boll showing location of egg 80 



Fig. 65. — Wart formed in healing egg puncture 80 



XV. Fig. 66. — Two egg punctures in a square 84 



Fig. 67. — Square flared widely from two feeding punctures 84 



Fig. 68. — Infested squares fallen to the ground 84 



XVI. Fig. 69. — Infested squares hanging dried upon the plant 92 



Fig. 70. — Refrigerator devised for breeding weevils under low tem- 

 peratures 92 



Fig. 71.-13011 showing three larva? in one lock 92 



Fig. 72. — Apparatus for testing effect of low temperatures on weevil 



activity 92 



XVII. Fig. 73. — Comparison of planted with seppa cotton on April 15, 1904 104 



Fig. 74. — Comparison of planted with seppa cotton on May 14, 1904 104 

 Fig. 75. — Locality found very favorable for successful hibernation 



in winter of 1902 to 1903 104 



XVIII. Fig. 76.— Xear view of small infested bolls in late fall 120 



Fig. 77. — Stalks standing in late fall after they should have been 



destroyed 120 



Fig. 78. — Destroying stalks, forming windrows preparatory to 



burning 120 



