182 MASS. EXPERIMENT STATION BUI4LETIN 179. 



McGregor, E. A., 1916. "The Red Spider on Cotton and How to Control It." 



Farmers' Bull. 735, Bur. Ent., U. S. Dept. Agri., 12 pp., 10 figs. 

 McGregor, E. A., and McDonough, F. L., 1917. "The Red Spider on Cotton." 



Bull. 416, Bur. Ent., U. S. Dept. Agri., prof, paper, 72 pp., numerous figs. 

 Morgan, H. A., 1897. "Observations on the Cotton Mite." Bull. 48, La. Agri, 



Exp. Sta., pp. 130-135. 

 Parker, W. B., 1913. "The Red Spider on Hops in the Sacramento Valley of 



California." Bull. 117, Bur. Ent., U. S. Dept. Agri., pp. 1-41, 6 pis., 9 figs. 

 Parker, W. B., 1913. "Flour Paste as a Control for Red Spiders and as a Spreader 



for Contact Insecticides." Circ. 166, Bur. Ent., U. S. Dept. Agri., 5 pp., 



2 figs. 

 Perkins, G. H., 1897. "The Red Spider." Rept. of Ent., 10th Ann. Rept. Vt. 



Agri. Exp. Sta., pp. 75-86, Figs. 1-4. 

 Quayle, H. J., 1912. "Red Spiders and Mites of Citrus Trees." Bull. 234, Cal. 



Agri. Exp. Sta., pp. 483-530, Figs. 1-35. 

 Quayle, H. J., 1913. "Some Natiiral Enemies of Spiders and Mites." Journ. 



Econ. Ent., Vol. VI., pp. 85-88. 

 Russell, H. M., 1908. "Experiments for the Control of the Red Spider in Florida." 



Journ. Econ. Ent., Vol. I., pp. 377-380. 

 Sirrine, F. A., 1900. "Insects Affecting Carnations." Amer. Florist, Vol. XV., 



No. 613, pp. 909-913, 6 pis. (Red Spiders on Carnations and Control, p. 910.) 

 Surface, H. A., 1906. "Mites or Red Spiders on Leaves." Pa. Dept. Agri. Mo. 



Bull., Div. Z06I., Vol. IV., No. 3, pp. 95, 96. (Recommends spraying with 



potassium sulfid.) 

 Taylor, W., 1896. "Notes on Destroying Red Spider." Journ. Hort., Ser. 3, 



Vol. XXXIII. , No. 854, pp. 440, 441. 

 Titus, E. S. G., 1905. "Red Spider on Cotton." Bull. 54, Bur. Ent., U. S. Dept. 



Agri., pp. 87, 88. 

 Titus, E. S. G., 1905. "The Cotton Red Spider." Circ. 65, Bur. Ent., U. S. Dept. 



Agri., 5 pp., 2 figs. 

 Volck, W. H., 1903. "Sulfur Sprays for Red Spiders." Bull. 154, Cal. Agri. 



Exp. Sta., 11 pp., 3 figs. 

 Volck, W. H., 1913. "The Control of Red Spiders." Monthly Bull. State Com. 



Hort., Cal., Vol. 2, pp. 356-363. 

 Webster, F. M., 1899. "The Chinch Bug. Experiments with Insecticides." 



Bull. 106, Ohio Agri. Exp. Sta., pp. 235-256, 5 figs. (Carbon Bisulfid against 



Red Spider, pp. 254, 255.) 

 Weldon, G. P., 1909. "Two Common Orchard Mites." Bull. 152, Colo. Agri. 



Exp. Sta., 12 pp., 7 figs. 

 Weldon, G. P., 1910. "Life History Notes and Control of the Common Orchard 



Mites." Journ. Econ. Ent., Vol. III., No. 5, pp. 430-434. 

 Wilson, H. F., 1911. "Notes on the Red Spider Attacking Cotton in South Caro- 

 lina." Journ. Econ. Ent., Vol. IV., pp. 337-339. 

 Woglum, R. S., 1909. "Fumigation Investigations in California." Bull. 79, Bur. 



Ent., U. S. Dept. Agri., 73 pp., 28 figs. (Citrus Red Spider, p. 11.) 

 Woodworth, C. W., 1902. "The Red Spiders of Citrus Trees." Bull. 145, Cal. 



Agri. Exp. Sta., 19 pp., 5 figs. 

 Woodworth, C. W., 1903. "Entomology." Univ. Cal. Agri. Exp. Sta. Rept., 



1901-03, pp. 104-110. (Red Spider Remedies, p. 105.) 

 Worsham, E. L., 1910. "The Cotton Red Spider." Bull. 92, Ga. Agri. Exp. Sta., 



pp. 135-141, 5 colored plates. 



