After the Latin translation of Aristotelian works outside the logica vetus began in earnest in twelfth-century Spain, it remained to Scholastic philosophers to assimilate the new materials. Although many individuals commented on the logica nova and on some of Aristotle's books on natural philosophy, Albert the Great is one of only a very few Scholastics to comment on the entire collection of Aristotle's biological works. This text, the Questions concerning...