APPENDIX. 179 
man has no right to fix the amount of his expenses, but 
must always take the allowance which the law gives him. 
(Lancet, 1872, vol. ii., p. 204.) 
‘ Veterinary Witnesses, 
‘ Assuming that the veterinarian has obeyed a subpoena, he 
will now be required to attend before the Court, and to state, 
in the face of adverse counsel, the opinions which he has 
‘formed from the medical facts of the case, as well as the 
grounds for these opinions. He will then undergo the 
ordeal of a public examination. 
Some medico-legal writers have considered it necessary 
to lay down rules respecting the manner in which a medical 
‘witness should give his evidence; how he is to act on a 
cross-examination, and in what way he is to recover himself 
on re-examination. Any advice upon this head appears to 
me to be quite superfluous, since experience shows that these 
tules, like those given to prevent drowning, are invariably 
‘forgotten at the very moment when a person is most in need 
of them. A man who goes to testify to the truth to the best 
of his ability should bear in mind two points :—1. That he 
should be well prepared on all parts of the subject on which 
he is about to give evidence. He should act on these occa- 
sions upon the advice contained in the Latin motto, xe ¢entes 
aut perfice. 2. That his demeanour should be that of an 
educated man, and suited to the serious occasion on which 
he appears, even although he may feel himself provoked or 
irritated by the course of examination adopted. A medical 
witness must not show a testy disposition in having his 
professional qualifications, his experience, his means of 
knowledge, or the grounds for his opinions very closely 
investigated : he should rather prepare himself to meet with 
good humour the attempts of an adverse counsel to involve 
him in contradiction, and show by his answers that he has 
only a desire to state the truth. Law and custom have long 
