Some papers lately read before the Royal Society concerning the fresh-water polypus;  ... Collected and published by Cromwell Mortimer, ...
London : printed for T. Woodward; and C. Davis,
1743.
Also issued as part of the Royal Society's Philosophical transactions, vol. 42, London, 1744, with instructions to change the paging in MS. to 281-298.
Reproduction of original from the Harvard University Houghton Library.
ESTC