Caiman (7) (specimen not taken - sight record) Nov. 3 5 km. N. Duelrada Lajas, 1400 ft., Huila, Colombia, 5:28 within about 20 ft., but I could not figure any way to prevent it washing away if shot (the current was swift), so I did not shoot at it. It apparently was touching bottom, but kept the tail undulating as if this were necessary to maintain its position in the swift water. I did not observe it to blink at all in the bright light. It did not move about or show any signs of doing so, and I left it as I found it. Nov. 5 Returning from Villavieja via R.R. tracks with Perico, we stopped off at the "puerto" to the River just S. of Duelrada Lajas Bridge. I saw a caiman swimming in the water; I estimate the distance from nostrils to eyes on this animal to be about 10". It swam slowly away from me down a side-branch of the river (an island at this point divides the river). We followed it down to the mouth of Duelrada Lajas and watched it from a distance, paddling and splashing the water in a fairly quiet shallow spot on the opposite side of the