548 PROCEEDINGS OF THE NATIONAL MUSEUM vol. no 



Table 7. — Oryzomys concolor concolor Wagner: Measurements (in millimeters) 



• Type of tectus Thomas, from original description, followed by a paratype (USNiM). 



• Possibly crown length. 



« Type of frontalit Goldman, from original description. 



• Type of iltectus Bangs, from original description. 

 » Without claw. 



« Type of trichuTUS J. A. Allen, from original description. 

 T Type of mineae J. A. Allen, from original description. 



• Type of helvoluf J. A. Allen, from original description. 



• Probably=5.2 mm. 



