FOREWORD
161-169 Prólogo: Osvaldo A. Reig
SPOTORNO AE
Article

RESEARCH ARTICLES
171-183 Origin and evolution of a major satellite DNA from South American rodents of the genus Ctenomys
ROSSI MS, CG PESCE, AR KORNBLIHTT & J ZORZOPULOS
Article

185-196 G- and C-banding karyotypes of spiny rats (Proechimys) of Venezuela
AGUILERA M, OA REIG & A PEREZ-ZAPATA
Article

197-206 Dietary preferences of two sympatric subterranean rodent populations in Argentina
COMPARATORE VM, MS CID & C BUSCH
Article

207-214 variabilidad cromosómica en Ctenomys talarum (Rodentia: Octodontidae) de Argentina
MASARINNI AI, MA BARROS, MO ORTELLS & OA REIG
Article

215-226 Karyological studies of the South American rodent Myocastor coypus Molina 1782 (Rodentia: Myocastoridae)
GONZALEZ S & N BRUM-ZORRILLA
Article

227-239 Chromosome divergence of Octodon lunatus and Abrocoma bennetti and the origins of Octodontoidea (Rodentia: Histricognathi)
SPOTORNO AE, LI WALKER, LC CONTRERAS, JC TORRES, R FERNANDEZ-DONOSO, MS BERRIOS & J PINCHEIRA
Article