M.  P Duncan, ?On the Madreporaria dredged up in the expedition of H.M.S. Porcupine?, Proceedings of the Royal Society of London, vol. 18, pp. 289?301, 1870.

M.  P Duncan, ?The physical geography of western Europe during the Mesozoic and Cainozoic periods elucidated by their coral faunas?, Quarterly Journal of the Geological Society, vol. 26, pp. 51?70, 1870.

M.  P Duncan, ?A monograph of the British fossil corals. Second series. Part II, No. 2. Corals from the Upper Greensand of Haldon, from the Gault, and the Lower Greensand?, Monograph of the Palaeontographical Society, vol. 23, pp. 27?46, pl. 10?15, 1870.

M.  P Duncan, ?On the fossil corals (Madreporaria) of the Australian Tertiary deposits?, Quarterly Journal of the Geological Society of London, vol. 26, pp. 284?318, pl. 19?21, 1870.