Abstract
The present work is a contribution to the morphologic and anatomic studies of. the lombriz capitana e earth worm) Martiodrilus crassus (Annelid: Glossoscolecidae)from the NaturalNationaiPark, Cueva de los Guácharos, Department of Huila, collected in La Mensura andEl Pesebre at 2.850 m.s.n.m. Described within are climatic characteristics of the habitat related to the annelid, materials and methods employed for its capture, collectiort; conditioning, dissection and preservation of the samples. Also, its morphologic and anatomic description refering to matemeric, bodywall, legs e quetas ), pores, pillicle, clypeus and muscular ' layers involved in its externa! morphology. And in addition, information about the digestive, circulatory, nervous, éxcretory and reproductive systems, which are part of its interna! anatomy.Univ. Sci. is registered under a Creative Commons Attribution 4.0 International Public License. Thus, this work may be reproduced, distributed, and publicly shared in digital format, as long as the names of the authors and Pontificia Universidad Javeriana are acknowledged. Others are allowed to quote, adapt, transform, auto-archive, republish, and create based on this material, for any purpose (even commercial ones), provided the authorship is duly acknowledged, a link to the original work is provided, and it is specified if changes have been made. Pontificia Universidad Javeriana does not hold the rights of published works and the authors are solely responsible for the contents of their works; they keep the moral, intellectual, privacy, and publicity rights. Approving the intervention of the work (review, copy-editing, translation, layout) and the following outreach, are granted through an use license and not through an assignment of rights. This means the journal and Pontificia Universidad Javeriana cannot be held responsible for any ethical malpractice by the authors. As a consequence of the protection granted by the use license, the journal is not required to publish recantations or modify information already published, unless the errata stems from the editorial management process. Publishing contents in this journal does not generate royalties for contributors.