be kept in a clean condition. On no account must the animal be allowed to 

 stand on bedding saturated with excreta, or with accumulation of 

 decomposing matter. Stoppings for the feet must not be employed. The 

 diseased portion of the frog should be removed with the knife, and the 

 affected part dressed once or twice daily with about half a teaspoonful of 

 powder, composed of equal parts of calomel or iodoform, or this powder may 

 be alternately used with one of equal parts of starch and iodoform. A 

 mixture of one part of carbolic acid and four parts of glycerine, is also a very 

 valuable application. Ointment of salicylic acid will also prove of great 

 efficacy. 



It is also well to maintain a firm pressure on the frog. In severe cases 

 of thrush, causing lameness, or when there is a tendency to grease, 

 indicating a possible constitutional factor in the production of the disease ; 

 it will be best to commence treatment by the administration of three or four 

 drachms of aloes, followed by three days' rest, during which time the animal 

 should be fed on warm water and mashes. 



FALSE QUARTER. 



By false quarter we understand the existence of one or more clefts, or 

 deficiencies of horn, in any part of the wall of the foot. Referring to the 

 anatomy of the horse's foot, our readers will remember that the outer horny 

 covering of the wall of the foot is secreted by the coronary substance ; and 

 we may here mention that these clefts are due to destruction of this coronary 

 substance by injury, such as a tread. False quarter is totally different in 

 nature from sandcrack. It consists actually in longitudinal flaws in the 

 outer covering of the horn of the wall of the foot ; and at the bottom of the 

 fissures, we find the horny laminae which are secreted by the sensitive ones. 

 Although not usually causing lameness, nevertheless false quarter constitutes 

 unsoundness, as it is liable to affect progression at almost any time, from 

 injury to the thin horny covering of the affected part which is exposed. In cases 

 of false quarter due to recent injury, the affected part of the coronet should 

 be carefully treated. After bringing the injured surfaces together, and 

 applying some antiseptic ointment, such as borax ointment, constant 

 pressure should be applied by means of a bandage. 



In old cases, all that can be done is to apply a blister of red iodide of 

 mercury ointment round the coronet, and to fill up the gaps with gutta 

 percha, moulded in, while warm. In addition, the feet may be shod with 

 bar shoes, so as to distribute the pressure more evenly. 



Not uncommonly, horses with false quarter are passed off on the 

 unwary, by thus filling up the gaps with gutta percha, and painting the hoof 

 with lamp black or hoof ointment. In order, therefore, to be on one's guard 

 against such tricks, it is advisable, before examining an animal, to have his 

 feet cleaned. 



