Eureka (word) "Eureka! Eureka!" after he had stepped into a bath and noticed that the water level rose, whereupon he suddenly understood that the volume of water displaced must be equal to the volume of the part of his body he had submerged. (This relation is "not" what is known as Archimedes' principle—that deals with the "upthrust" experienced by a body immersed in a fluid.) He then realized that the volume of irregular objects could be measured with precision, a previously intractable problem. He is said to have been so eager to share his discovery that he leapt out of his bathtub
The Hound of Death out "Murder! Help! Murder!". Running in the direction of the cry he comes across a quaint cottage, outside of which is a young girl quietly gardening. When questioned, she denies hearing the call for help and seems surprised at Jack's story, referring to him as "Monsieur". Confused, he leaves her and hunts in the surrounding area for the source of the cry, but in the end gives up. That evening, he looks through the papers to see if any crime has been reported, and repeats this action the next morning – a day of heavy rain which cancels his practise