176 HOESES AND EIDIXQ. 



while the more he blows the less you will hear him 

 whistle. 



Whistling is sometimes only the beginning of 

 what will end in roaring ; that is, a whistler will 

 often become a roarer, but there are also cases 

 where it is a separate complaint, and does not 

 develop into roaring. 



Grunting is when a horse grunts on being either 

 suddenly struck or startled, or on jumping or any 

 sudden exertion. It must here be noted that 

 although a horse that roars or whistles will grunt 

 on being suddenly struck, it does not follow that 

 because a horse grunts he is therefore a roarer or 

 whistler ; sometimes he will grunt and do nothing 

 else. In this case he is called a grunter, and is not 

 sound ; but it is not a very serious ailment when 

 simply confined to grunting. 



SAND-CEACK, 



Although it is not necessarily an unsoundness, is 

 very likely to produce it. It is a slight split in the 

 hoof of the toe, generally right in front, extending 

 upwards more or less. It is perhaps possible to 

 eradicate it, but the same cause which produced it 

 at first would produce it again, and a horse with any 

 tendency to it should be avoided. I have given a 

 sketch of a slight sand-crack, and also of a bad one, 

 seen as standing^ in front of the horse. It affects the 



