136 PRINCIPLES OF VETEEINEBY SUEGEKY 



Enumerate some of the foreign bodies met with in the mouth. 



Splinters, needles, pieces of bone, fish, hooks, rubber 

 "bands, sprouting seeds (a regular lawn was seen upon the face 

 of tbe tongue of a cow). In the ducts of glands, bits of straw, 

 kernel of oats, barley. 



A dog is on record with a piece of metal in the Eustachian 

 tube and a horse with a piece of straw, having worked its 

 way up the lachrymal duct. 



What animals are more commonly the subject of foreign 

 bodies in the mouth ? 

 Dog, cat, cattle ; less frequently the horse. 



What symptoms do foreign bodies of the pharynx and oesoph- 

 agus produce ? 

 DifiBcult deglutition, pharyngitis and choke. 



What foreign bodies are usually m,et here f 



In horses : Corn cobs, potatoes, turnips, apples, food 

 "boluses, pieces of a whip ; in the guttural pouches, accumula- 

 tions of food. 



Cattle : The above and also hair balls, tin cans, pieces of 

 metal, cloth, pieces of afterbirth, bacon rinds, beefsteaks 

 (given empirically as an artificial cud). 



Dog : Bones, needles, fishbones, large pieces of meat ; in 

 playful dogs, spools, stones, etc. 



What serious sequels m,ay these produce ? 



Perforation of the pharynx, rupture of the cBsophagus 

 and consequent internal hemorrhage from injury of the 

 aorta, or pleurisy. 



What foreign bodies are seen in the stomach of cattle f 



An endless variety ; all the way from horse rake teeth 

 down to needles, nails and stones. 



