238 SPECIAL THERAPEUTICS. 



expelled, the head is usually left behind ; castor oil 

 should consequently be always given in full doses 

 after the administration of the Saoria. 



It has a peculiar effect upon the urine, to which 

 it imparts a violet colour. 



Spigelia Marilandica. 



This is a perennial herbaceous plant, indi- 

 genous to North America, where it is known by 

 the common name of the Carolina Pink. The root, 

 which is the part used medicinally, consists of a 

 number of slender, blackish fibres. 



Although it has been omitted from the recent 

 editions of the London Pharmacopseia, it is held in 

 great esteem in America, where it is employed more 

 frequently, perhaps, than any other anthelmintic ; it 

 is especially efficacious in the treatment of lumbrici. 



It may be given in the form either of the powdered 

 root, or the decoction, the dose of the root being from 

 ten grains to a scruple, two or three times daily. 

 Some purgative should be administered after it ; or, 

 when it is given in the form of decoction, senna 

 leaves may be added to the preparation. A fluid 

 extract, which is of uncertain value, is sometimes 

 given in doses of from half a drachm to two drachms. 



Sulphur. 



This substance was formerly prescribed in 

 the treatment of lumbrici and of oxyarides, but its 

 use internally, as an anthelmintic, is now discon- 

 tinued. 



According to Lallemand, sulphuretted water, 

 employed in the form of an enema, is an excellent 

 remedy for oxyiu*ides ; the injection should be cold. 



