Hanken, James 1975 Journal Mexico trip - Brownsville -> Gomez Farias 30 April 0900 hrs. olivaceus near a fallen exposed log at the (cont'd) edge of the thorn forest but was unable to secure it. At 1600 hrs. (after 2 1/2 hours) we returned to Brownsville. 1 May 0800 hrs. Finally crossed the border yesterday around noon after receiving license plates from MVZ. The plates aren't exactly new; they are of the series last issued 7 years ago and are most likely from the Museum's campers. However, they did the trick and we were across the border with permits with little difficulty. We crossed at Brownsville, Texas which put us in Matamoros, Tamaulipas S., Mexico. After a few minutes of direction-seeking we found Mex 101 and continued directly S to Ciudad Victoria. The area just S of the border is similarly disturbed as the Texas counterpart with extensive agricultural disturbance with borders of semi-tropical thorn forest. The disturbance diminishes as one approaches San Fernando until there is extensive stretches of thorn forest with occasional yucca and agave, albeit somewhat overgrazed in places. After crossing the Rio San Fernando in