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17. found living in springs to which they retreated on the dessication of the ancient lake. One alone remained to be discovered, Tryonia clathrata of Stimpson, and among the collections of the expedition to Death Valley made by Dr. C. Hart Merriam under the auspices of the U. S. Dept. of Agriculture this has been at last secured, living in a spring with a water temperature of 97° Fahrenheit in the Pahranagat valley. This is certainly one of the most interesting Malacological events of the year. [[paragraph symbol]] Through the efforts of the Hon. Rounsevelle Wildman [[strikethrough]] the [[/strikethrough]] U. S. [[strikethrough]]Counsel [[/strikethrough]] Consul at Singapore, a collection representing the chief marine forms