Comments on enclosed letters from Asa Gray and Wallace [missing].
Discusses hybrid fertility in rabbits and hares, and pheasants and fowls.
Asks about paper by Hermann Schaaffhausen ["Über Beständigkeit u. Umwandlung der Arten", Verh. Naturhist. Ver. Preuss. Rheinlande 10 (1853): 420–51].
Mentions criticism by Sedgwick and William Clark at Cambridge Philosophical Society.
Notes importance of CL and Hooker in defending Origin.
Comments on papers by D. A. Godron ["Considérations sur les migrations des végétaux", Acad. Stanislas Mem. Soc. Sci. Nancy (1853): 329–67].
Mentions receiving anonymous verses.
A Manchester newspaper lampoon shows CD has proved "might makes right" to be a universal law.