In his statistics in 1883 Cross collected reports on 704 stones, and remarked that only nine of these weighed above four ounces, and only two above six, and that with the last two the patient succumbed.

Of those removed successfully Harmer of Norwich reports one of 15 ounces; Kline, one of 13 ounces 30 grains; Mayo of Winchester, 14 ounces two drams; Cheselden, 12 ounces; and Pare in 1570 removed a calculus weighing nine ounces.

Sir Astley Cooper remarks that the largest stone he ever saw weighed four ounces, and that the patient died within four hours after its removal.

Before the Royal Society of London in 1684 Birch reported an account of a calculus weighing five ounces.

Fabricius Hildanus mentions calculi weighing 20 and 21 ounces; Camper, 13 ounces; Foschini, 19 ounces six drams; Garmannus, 25 ounces; Greenfield, 19 ounces; Heberden, 32 ounces; Wrisberg, 20 ounces; Launai, 51 ounces; Lemery, 27 ounces; Paget, in Kuhn's Journal, 27 ounces (from a woman); Pauli, 19 ounces; Rudolphi, 28 ounces; Tozzetti, 39 ounces; Threpland, 35 ounces; and there is a record of a calculus weighing over six pounds.