510 THE VETERINARY SCIENCE 



teeth well back. There is no necessity to force the teeth 

 apart, merely keep the head elevated until the dose is swal- 

 lowed. 



A vicious dog must of course as a last resort be muzzled 

 and securely tied so that the danger of being bitten, as well 

 as the irritation to the dog by being roughly handled, may be 

 avoided. 



6. Temperature. 



A clinical thermometer placed in the rectum under normal 

 conditions registers from 100° to 102°. Below 97° or over 

 106° indicates a serious derangement of the system. 



7. The Pulse. 



The pulse may be felt just inside of the thigh -^nd yaries 

 normally with age. The pulse of pups ranges fivjin as low 

 as 120 to as high as 160 beats per minute. This decreases 

 gradually until at maturity or over a year it ranges normally 

 from 70 to 90 per minute. 



In taking the temperature or pulse see that the animal is 

 not excited and at perfect rest. 



