Show mccullar rc cullar ilar lir or of menthol there are peculiar ased by menthol ment liol and iu in fact the drus drug itself is ia coin new discon discovery cry in fit america but the chinese aud and japanese ba haie e made use ur of lot it boril for 11 longtime long lime it it is a white cry substance deposited front froni oil of peppermint and is obtained by freezing anil and thawing the oil a number of tinn tinni i the cryS cristali tali lo 10 A in deposited during the congealing coage aling process ogese thesia melt tit at ade 17 degros belt nrc are slightly soluble in witter water and tn in iu in ether and the volatile ails oib in the mauti facture of menthol mc the ihen japa ipa uese ue so oil is generally used iia as it ft 3 the crystals more richly than the alie others the drug is used for external application and often gives much relief in cases of lead hend ache the effect produced is mainly a MII ben bation tit of intense cold caused by tho the rapid ei evaporation apora of the thin of thesus the sub stance which la is left on en the skin skill w i ben the menthol pencil has been rubbed over it |