Note 16 — CONCHOLOGY. PLATE XXI. VOLUTA PYRUM PEAR VOLUTE. Front View. Univalve.
Reading edition
Vide Catalogue Lev. Mus. “Last day, July 12th, 1806, lot 77. The reversed variety of the High Spired Turnip, from Madagascar, extremely rare. £7. 7s.” p. 15.