Natterer collected this species at the Curicuriari River in northwestern Brazil. in A New Species of the Rodent Genus Oecomys (Cricetidae: Sigmodontinae: Oryzomyini) from Eastern Bolivia, with Emended Definitions of O. concolor (Wagner) and O. mamorae (Thomas)

<p>Natterer collected this species at the Curicuriari River in northwestern Brazil.</p><table><thead><tr><th></th><th><i>H. concolor</i></th><th></th><th><i>H. Anguya</i></th></tr></thead><tbody><tr><th>Body</th><td>4 <b>&quot;</b> 10 <b>&quot;</b></td><td>|</td><td>5 <b>&quot;</b> 8 <b>&quot;</b></td></tr><tr><th>Tail</th><td>4 9</td><td>|</td><td>5 6</td></tr><tr><th>Ear</th><td>0 6 2/2 [sic]</td><td>|</td><td>0 8</td></tr><tr><th>Hindfoot</th><td>1 0</td><td>|</td><td>1 3</td></tr></tbody></table><p>Natterer collected this species at the Curicuriari River in northwestern Brazil.</p>