“Have you any Scotch blood in you, Parker?” inquired his colleague, bitterly. “Not that I know of,” replied Parker. “Why?” “Because of all the cautious, ungenerous, deliberate and cold-blooded devils I know,” said Lord Peter, “you are the most cautious, ungenerous, deliberate and cold-blooded. Here am I, sweating my brains out to introduce a really sensational incident into your dull and disreputable little police investigation, and you refuse to show a single spark of enthusiasm.” “Well, it’s no good jumping at conclusions.” “Jump? You don’t even crawl distantly within sight of a conclusion. I believe if you caught the cat with her head in the cream-jug you’d say it was conceivable that the jug was empty when she got there.” “Well, it would be conceivable, wouldn’t it?” “Curse you,”

