TY - JOUR A1 - Verrill, A. E. JO - The American journal of science and arts C1 - (series 3) 3(13): 126-139 TI - Descriptions of North American fresh-water Leeches [Art. XIX. Brief Contributions to Zoology from the Museum of Yale College. No. XVll.] UR - https://biodiversitylibrary.org/page/36995314 PY - 1872 Y2 - 2024-03-29 ER -