Circular 21 - Insecticides and Subsidiary Materials 84 
KU* General Carbon Company, Los Angeles, Calif. 
U5' General Chemical Co., New York City, N. Y. 
46. General Dyestuff Corp., New York City, N.Y. 
U7 , James Good, Inc., Philadelphia, Pa. 
48. Goris & Arn stein. Inc., Chicago, 111. 
49. Griffin Chemical Co., San Francisco, Calif. 
50. John J, Grote & Co., Cincinnati, Ohio 
51. Hart & Harrington, Inc., Chicago, 111. 
52. Hercules Powder Co., Wilmington, Del. 
53. Arnold Hoffman & Co., Inc., Providence, R.I. 
54. J. I« Hopkins & Co., New York City, N. Y. 
55. Hughes Chemical Co., Baltimore, Md. 
56. Ideal Chemical & Supply Co., Memphis, Tenn. 
57. Inland Tar Co., Chicago, 111. 
58. Innis, Speiden & Co., New York City, N. Y. 
59. Insecticide Corp. of America, Medina, N. Y. 
60. Johns -Manvi lie Corp., New York City, N. Y. ; 
Washington, D. C; Boston, Mass.; 
Philadelphia, Pa.; Atlanta, Ga. ; New 
Orleans, La.; St. Louis, Mo.; Los 
Angeles, Calif.; Chicago, Illinois 
61. Jungmann & Co., Inc., New York City, N. Y. 
62. Keasbey & Mattison Co., Ambler, Pa. 
63. Kentucky Color & Chemical Co., Louisville, Ky. 
64. Kittitas Diatomite Co., Ellensburg, Wash. 
65. Koppers Company (Tar & Chemical Division) 
Pittsburgh, Pa. 
66. Lederle Laboratories, Inc., New York, N. Y. 
67. Liquid Carbonic Corp., Chicago, 111. 
68. Los Angeles Chemical Co., Los Angeles, Calif. 
69. Lucas Kil-Tone Co., Philadelphia, Pa. 
70. Mallinckrodt Chemical Works, St. Louis, Mo. 
71. The L. Martin Company (Germantown Eagle or 
Velvet Brand), Tacony, Pa. 
72. McCormick Sales Co., Inc., Baltimore, Md. 
73. McLaughlin Gormley King Co., Minneapolis ,Minn. 
74. Mefford Chemical Co., Los Angeles, Calif. 
75. Merck & Co., Inc., Rahway, N. J. 
76. Monsanto Chemical Co., St. Louis, Mo. 
77. National Carbon Co., New York City, N. Y. 
78. New England Minerals, Inc., Boston, Mass. 
