Xviii LIST OF ILLUSTRATIONS 



FIG. PAGE 



250. Cross-section of Pyrethrum Root. 422 



251. Lappa Cross-section of Root 424 



252. Echinacea Angustifolia Root 425 



253. Eupatorium perfoliatum Portion of Plant and Flower (enlarged) 427 



254. Matricaria chamomilla Branch and Dissected Flowers 432 



255. Anthemis nobilis Plant and Dissected Flowers 434 



256. Santonica Head and Longitudinal Section (enlarged) 435 



257. Spanish Fly (Cantharis vesicatoria De Geer) 437 



258. Old-fashioned Potato Beetle (Epicauta vittata Fab.) 438 



259. Cochineal Bug (Coccus cacti Linn6) 439 



260. Cockroach (Periplaneta sp.) 440 



261. Tonquin Musk Pod 445 



262. Suprarenal Capsules 477 



263. Sugar Mite ' 489 



264. A Cantharid-eating Mite (Glyciphagus spinipes) (Fum. & Rob.) 489 



265. Sitodrepa panicea (Smith) 490 



266. Ginger Root Attacked by Sitodrepa panicea 490 



267. Ptinus brunneus (Riley) 491 



268. Anthrenus varius 492 



269. Silvanus surinamensis 492 



270. Tinea penionella 493 



271. Grain Kernels Attacked by Angoumois Grain Moth 493 



272. Atropos divinatoria 494 



273. Lepisma saccharina (Walker) 494 



274. Cynips 494 



275. Powdered Rhamnus frangula Bark 502 



276. Powdered Cascara Sagrada Bark (Rhamnus purshiana) 503 



277. Powdered Ipecacuanha Root (Cephcelis ipecacuanha) 504 



278. Powdered Undulated Ipecacuanha 505 



279. Powdered Belladonna Leaves 506 



280. 'Powdered Henbane Leaves (Hyoscyamus niger) 507 



PLATES III AND IV. STARCHES 509-51 1 



281-292. Starches 509-511 



293. Powdered Stramonium 512 



294. Powdered Buchu (short) 513 



295. Powdered Senna (Indian) 514 



296. Powdered Cinchona (yellow) 515 



297. Powdered Rhubarb 515 



298. Powdered Zingiber (Jamaica) 516 



299. Powdered Jalap 517 



300. Powdered Cinnamon (Saigon) 518 



301. Powdered Pimento 519 



302. Powdered Nux Vomica ; 519 



