98 BIBLIOGRAPHY. 
(262) Smith, John B. 
Insecticides and How to Apply Them: Pyrethrum. N. J. Agr. Exp. Sta. 
Bull. 75, pp. 26-7. Nov., 1890. 
(263) 
The Rose-chafer or "Rosebug": Pyrethrum; Kerosene. N. J. Agr. Exp. 
Sta. Bull. 82, pp. 20-3. July, 1891. 
(264) 
An Experience with the Rose Bug. Insect Life, v. 3, no. 5, pp. 220-4. 
Jan., 1891. 
(265) Spratling, William Philip. 
Inflammation of Upper Air Passages and Ears Caused by Inhalation of Per- 
sian Insect Powder. Med. Record, v. 44, p. 584. Nov. 4, 1893. 
(266) Stearns, Frederick. 
The Medicinal Plants of Michigan: Chrysanthemum Leucanthemum; Pyre- 
thrum parthenium. Proc. Am. Pharm. Assoc, v. 7, pp. 253, 276. 1858. 
(267) Stone, E. P. 
Composition of Ox-eye Daisy. 5th Ann. Rept., N. H. Agr. Exp. Sta., 
1892-3, pt, 2, p. 139. 
(268) Southall Bros, and Barclay, Ltd. 
19th Laboratory Rept., 1910. From Yearbook Pharmacy, 1911, p. 172. 
(269) 
21st Laboratory Rept., 1912. From Chemist Druggist, v. 82, p. 123. Jan. 
25, 1913. 
(270) Stedman, J. M. 
Injurious and Beneficial Insects: Some Insect Pests of the Farm and Gar- 
den. Ala. Agr. Exp. Sta. Bull. 45, pp. 7-11. June, 1893. 
(271) Taft, L. R., and Davis, G. C. 
Pests of Orchard and Garden : Pyrethrum. Mich. Agr. Exp. Sta. Bull. 121, 
p. 11. Apr., 1895. 
(272) Textor, Oscar. 
Examination of Persian Insect Powder for its Active Principle. Am. J. 
Pharm., v. 53 (4th ser., v. 11), pp. 491-3. Oct., 1881. 
(273) Thompson, F. A. 
Notes on Insect Powder. Am. J. Pharm., v. 63 (4thSer., v. 21), pp. 583-4. 
Dec, 1891. 
(274) Thoms, H. 
Insectenpulver. Pharm. Ztg., v. 35, no. 32, p. 242. Apr. 19, 1890. 
(275) 
Untersuchung von Insectenpulver. Chem. Ztg., v. 14, nos. 77, 81, 
pp. 1284-5, 1372. Sept. 24, Oct. 8, 1890. 
(276) 
Croton flavens and Chrysanthemum cinerarisefolium. Ber. pharm. Ges., 
v. 1, no. 8, pp. 241-7. 1891. 
(277) Trapp, Julius. 
Pyrethrum roseum und Pyrethrum carneum. Pharm. Z. Russ., v. 15, no. 11, 
p. 326. June 1, 1876. 
(278) Trottner, Kurt. 
Beitrag zur Qualitatsbestimmung von Insektenpulver. Arch. Pharm., 
v. 253, no. 2, pp. 92-102. May 22, 1915. 
(279) Tschirch, Alexander. 
Angewandte Pflanzenanatomie, v. 1, p. 153. 1889. 
(280) 
Der Anbau der Arzneigewachse in Deutschland: Pyrethrum cinerarise- 
folium, P. carneum, P. roseum. Arch. Pharm., v. 228, no. 12, p. 685. 
1890. 
