Contributions to Organic Morphology: Containing the Mathematical Imitation of the Egg of Planorbis Corneus and of Epiornis; And upon the Resemblances between Mathematical, Acoustic, Electric, Optical and Organic Figures; With Historical and Other Remarks
Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1862, in volume 14, pages 525-535
Date published:1862