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The Quarterly journal of the Geological Society of London . LYDEKKEK ON THE GENUS MICROCHOCRUS Note on the Zoological Position of the Genus MiCROCHCEEUSy Wood and its Appaeent Identity luith Hyopsodtjs Leidy By Lydekker Esq Eead June In the late Mr Wood described and figured the palate and left ramus of the mandible of