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G 
50. Ball, E. D. A simple form of accessions catalogue. <Bull. 
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51. Ball, E. D. The codling moth in Utah. <Bull. No. 87, Utah 
Agric. Exp. Station, March, 1904, pp. 105-145, 13 figs. 
52. Ball, E. D. Department of entomology. <Ann. Kept. Utah 
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53. Banks, N. Cotton insects in Egypt. <Bull. No. 22, n. s., Div. 
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54. Banks, N. Principal insects liable to be distributed on nursery 
stock. <Bull. No. 34, n. s., Div. Entom., U. S. Dept. Agric., 
June, 1902, pp. 46, figs. 43. 
Brief accounts of a number of species. 
55. Banks, N. A treatise on the Acarina, or mites. <Proc. U. S. 
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56 . Banks, N. The yellow fly of the Dismal swamp. <Entom. News, 
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57. Barden, J. J. Successful orchard fumigation. <Amer. Agric., 
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58. Barrett, O. W. The changa or mole cricket. <Buil. No. 2, 
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Account of Sccipteriscus didactylus Latr. 
59. Bates, J. W. An enemy of the rose. < Agric. Epitomist, Jan¬ 
uary, 1900, 1 fig. 
Treats of aphides. 
60. Beach, C. L., and A. B. Clark. Protecting cows from flies. 
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61. Beach, S. A., Y. A. Clark, and O. M. Taylor. Spray mixtures 
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62. Beattie, W. R. The use of hydrocyanic-acid gas for extermina¬ 
ting household insects. <Bull. No. 31, n. s., Div. Ent., U. S. 
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63. Bennett, A. E. Fumigation for scale insects. <Pacific Rural 
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64. Bentley, E. M., and others. Mosquito extermination in practice. 
<Lawrence, L. I., Board of Health, 1903, pp. 42, 1 fig. 
65. Bethune, C. J. S. Fatal bite of an insect. <Thirtieth Ann. 
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Boy pricked by Sinea diademci Fab. 
66. Bethune, C. J. S. Notes on the season of 1899. <Thirtieth 
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