PROCEEDINGS OF THE CALIFORNIA ACADEMY OF SCIENCES Fourth Series Vol. XIII, No. 24, pp. 381-388. November 29, 1924 XXIV^ EXPEDITION OF THE CALIFORNIA ACADEMY OF SCIENCES TO THE GULF OF CALIFORNIA IN 192P CRUSTACEA (Marcrura and Anomura) BY WALDO L. SCHMITT U. S. National Museum Although special attention was not given to the collecting of Crustacea by the 1921 Expedition, some species of very-considerable value were obtained. Representatives of two species were found which were first detected as being new in the course of working up the material collected by the "Albatross" Expedition of 1911. Descriptions of these will appear in a forth-coming Bulletin of the American Museum of Natural History. They are numbers 18 and 19 of the present list. In addition to the collection from the Gulf of California the following list includes one species (No. 6) taken on Guadalupe Island, off the west coast of Lower California by Dr. G. Dallas Hanna in 1922, and one species (No. 12) from a freshwater stream in the Sierra Laguna Mountains of Lower California, collected in 1919 by Mr. Joseph R. Slevin. ^ No. 36 of the Gulf Eocpedition papers. ^A map showing all the islands, etc., visited by this Expedition will be found in Vol. XII, No. 6, of these Proceedings, copies of which can be supplied for 60 <jents. November 29, 1924
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