P. S. I am informed, by a letter from Sussex, dated the 18th instant, that Mr. Woodhams is perfectly well in health; that the whole of his urine had passed through the urethra for the last five or six days; and that his wound will, in all probability, be soon healed.

Joseph Warner.

Hatton-Garden, February 22. 1758.

Philos. Trans. Vol. L. Tab. XXII.(a) p. [584].

Plate is an exact representation of the sizes and external appearances of the four rough stones described in the preceding paper

J. Mynde sc.


LXXVII. Observations on the Limax non cochleata Purpur ferens, The naked Snail producing Purple. By John Andrew Peyssonel, M. D. F.R.S. Translated from the French.

Read Feb. 23, 1758.