MacBride was in his garden settling pedigrees, When came a baby Woodlouse and climbed upon his knees, And said: "Sir, if our six legs have such an ancient air, Shall we be less ancestral when we've grown our mother's pair?"

Larval Forms, and Other Zoological Verses - Isopod Phylogeny, Stanza 3 (p. 50), The University of Chicago Press. 1985