" With the next post I accordingly wrote to Mr Swainson, enjoining him not to publish this opinion of Mr , that he considered the system artificial which I had thus, unconscious of wrong on my part, requested his (Mr Swainson s) opi- nion about.

But, without further communication on the point, Mr Swain- son has published this very passage.

This explanation will, I hope, save me from being " felled with a 4to volume," as M Desmarest was afraid of.

(vol IV.

P 488.