Account of the shells collected by Captain Sir Edward Belcher, C.B., North of Beechey Island, pp. 392–399, pls. 32–33, In: E. Belcher, <i>The last of the Arctic voyages: being a narrative of the expedition in H.M.S. Assistance, under the command of Captain Sir Edward Belcher, C.B., in search of Sir John Franklin, during the years 1852–53–54: with notes on the natural history.</i> Lovell Reeve, London. 2 volumes.