Discoveryof a Fossil Walrus in Virginia. Report of Messrs. Mitchill, J. A. Smith, and Cooper, on a fossil skull sent to Dr. Mitchill by Mr. Cropper of Accomac County, Virginia
Published in Annals of The Lyceum of Natural History of New York, in 1828, in volume 2, issue 1, pages 271-272
Date published:1828-03