The next morning he is found down-hill from his House, beside the fishing-Pond, lying among remnants of gnaw’d Shrubs, with fragments of half-eaten water-lillies protruding from his Mouth. ‘Kastoranthropy,’ Professor Voam shaking his head, ‘And haven’t I seen it do things to a man. Tragick.’
2002, Anne Mangen, Rolf Gaasland, Blissful Bewilderment: Studies in the Fiction of Thomas Pynchon→ISBN, page 220:
[…] one of the not uncommon cases of kastoranthropy, or, were-beaverality: […]