Without this, it is impossible to conceive how they should live, nourish themselves, and move their tiny bodies from place to place according to the various nttll des Sfa', Nov. impressions of objects or rather, it is impossible for those who have spent their whole lives in anatomy and the study of nature to imagine the number, diversity, and delicacy of all the parts of which these little bodies are necessarily composed in order to live and carry out the things we see them do.