Your printers have made but one blunder, Correct it instanter, and then for the thunder! We'll see in a jiffy if this Mr S[pencer] Has the ghost of a claim to be thought a good fencer. To my vision his merits have still seemed to dwindle, Since I have found him allied with the great Dr T[yndall] While I have, for my part, grown cockier and cockier, Since I found an ally in yourself, Mr L[ockyer] And am always, in consequence, thoroughly willin', To perform in the pages of Nature's M[acmillan].