Scientific and applied pharmacognosy intended for the use of students in pharmacy, as a hand book for pharmacists, and as a reference book for food and drug analysts and pharmacologists . the summit; elytra or wing sheaths elongated, nearly equal, almostcompletely covering the wings, upper portion finely wrinkled, havinga brilliant green metallic lustre and possessing 2 parallel fines;under surface brown; wings 2, membranous, transparent, light brownand longer and broader than the wing cases; odor distinct; pene-trating and disagreeable; taste at first slight, afterwards pungentand very acrid.
Scientific and applied pharmacognosy intended for the use of students in pharmacy, as a hand book for pharmacists, and as a reference book for food and drug analysts and pharmacologists . the summit; elytra or wing sheaths elongated, nearly equal, almostcompletely covering the wings, upper portion finely wrinkled, havinga brilliant green metallic lustre and possessing 2 parallel fines;under surface brown; wings 2, membranous, transparent, light brownand longer and broader than the wing cases; odor distinct; pene-trating and disagreeable; taste at first slight, afterwards pungentand very acrid. Powder.—(Fig. 313). Grayish-brown, with shining green par-ticles and a number of long, pointed, 1-celled hairs about mm. inlength and mm. in width at the base. CANTHARIDES 707 Constituents.—The vesicating principle, cantharidin, is thelactome or anhydride of cantharidinic acid. It occurs from per cent, crystallizes in colorless prisms, being without odorand taste, nearly insoluble in water, cold alcohol, carbon disulphideand benzol, and soluble in hot alcohol, chloroform, waxes and fixedand volatile oils. In addition, about 12 per cent of a fixed oil, con-. Fig. 312.—Original package of Spanish Flies (Cantharis) imported from Hungary.—After a photograph by Parke, Davis & Co. sitting of the glycerides of stearic, palmitic and oleic acid; a resin;and the following organic acids; formic, acetic and uric. The yieldof ash is from 6 to 8 per cent. Mylabris or Chinese blistering-flies are obtained from MylabrisCichorii, a coleopterous insect indigenous to the East Indies andChina. They are elongated oval or cylindrical (Fig. 311, B), to cm, in length and from 4 to 11 mm. in breadth, elytra or 708 SCIENTIFIC AND APPLIED PHARMACOGNOSY wing-sheaths black with 2 broad brownish-yellow, occasionallygolden-yellow bands and at the anterior portion a pair of nearlycircular brownish-yellow spots; heads somewhat triangular and of ajet black color; mandibl
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Keywords: ., bookcentury1900, bookdecade1920, bookpublishernewyo, bookyear1920
