JARVIS AND DR. MITCHELL.

Jarvis could not forbear to crack a joke on the learned Dr. Mitchell, whose profundity sometimes led him to analyze cause and effect in a hyper-philosophical manner. “Can you tell,” said he one day to the learned Doctor, who was sitting for his portrait, “why white sheep eat more than black ones?” “But is it a fact?” enquired the Doctor. “Most assuredly,” said the painter, “as every farmer will tell you.” The Doctor then went on to give sundry philosophical reasons why white sheep might require more food than black ones. “Your reasons are excellent—but I think I can give you a better one. In my opinion the reason why white sheep eat more than black ones is, because there are more of them!”