The current Isis (Vol. 10, No.3, September 2009) has a focus section on Darwin:

Focus: Darwin as a Cultural Icon

Introduction
James A. Secord

Looking at Darwin: Portraits and the Making of an Icon
Janet Browne

“You Are Here”: Missing Links, Chains of Being, and the Language of Cartoons
Constance Areson Clark

Singing His Praises: Darwin and His Theory in Song and Musical Production
Vassiliki Betty Smocovitis