Keywords: Hirudo medicinalis anatomy by Syme.png of its anatomical structure/ also remarks upon the diseases preservation and management of leeches London Longman Hurst Rees Orme and Brown 1816 http //pds lib harvard edu/pds/view/7347005 n 8 Reprint in the Harvard University Library lib harvard edu 1816 Patrick Syme 1774 “1845 PD-Old-100 Hirudo medicinalis Annelida anatomy |