Abstract

As it appears from the “Notes” in the last number of NATURE that the swallowing of a lizard by a viper is not usual, I may mention an instance which came under my own observation. Many years since, I captured a viper on Cannock Chase, in Staffordshire. The animal was rather sluggish, so I got it into a box unhurt, and carried it home. There I shook it out on to the ground. There came out first the slimy body of a Lacerta vivipara, followed by a thinner and livelier viper than that which had entered the prison. This result was not surprising, for the victim was about half as long as the swallower, which may explain the ejection of the former when the latter exchanged the fresh air of the Chase for a stuffy box. The lizard, however, in this case was dead, and digestion had begun.

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