"In Amsterdam, the Uffenbach brothers are visiting the pharmacist Cronenberg and his wife. He claims that "Valckenier" had offered a high price for the shark tooth in his collection. Uffenbach notes further objects in his collection, including a piece of non-flammable wood brought from Italy by "Mr. Calve" and a kidney stone; Uffenbach refers to fig. XX [RKDexcerpt no. 776837]. He describes the Canopic jar, and its use in ancient Egypt."