736 



TINEA TONSURANS. 



consisls in Clie destruction: of the cryptogaraic plant This is 

 efl"ected''by the application* to the spots— after first removing 



C;f" 



k 



'KiG. ;i47. — Microscopic appearance of ring- worm cni«t af'^r~tl^^ 

 Addition of liquor potassue. a, a, Large branch of th* acL»>rIon, 

 ishowinjf thalli in an advanced condition, with uporult-e a; rt.iijinij 

 themselves end to end. b, c, Hair containing,' tho plant 'n an early 

 stage of development : at b the fungus is di«tinftly »fcen in tho 

 centre of the hair-tube ; at c, the hair is repre8eut<-d a^yct unin\aded 

 'by the parasite. </, d. Scattered sjiorules. <•, r, ilair irrepularlj 

 enlarged, with its cortical h>yer broken down by tho growing parakita 

 200 diameters. 



the crusts by wasliinj^ the pai'ts with Avnrni Avatcr,. soft soap, 

 and carbonate of potasli — of tho iodine oiubnent. To })rpveut 

 a recurrence of tlie disease, the stable sliould bo thorouohly 

 cleaned and whitewashed, the hai'uess j\ud collars carefully 

 washed with soap and water, then brushed over with a solutioii 

 of iodiire or corrosive subliinaLe4yiuid Jhc jciotliing of the nuimnl 

 boiled.' 



dA 



