D. Hamilton 1967 Journal 3 Km. S.E. of Morrope, Elev. 100', Dept. Lambayeque, Peru July 14. After supper when it was dark Ray and I looked for Bechis. We put on our coats. After this we checked traps. First caught one small pel mouse in a trap set in the fern row (then an occasion like hunter in far south). We came to Beckman desert looking for a mouse that is supposed to be quite specialized for desert and is known as Paromys gerbillus. We wonder at first if this could be of the species since can in superimposition with it but we decide that it probably isn't because we understand that P. gerbillus resembles kangaroo rat and this mouse resembles kangaroo rat only in color. However we don't know what this mouse is. After this we go to bed. July 15. We got up about 0600. The other checked their traps. Carl caught two of the pel mouse mice and Ray first caught one one. Ray didn't catch any. I'm glad that we caught 4 of them since tend to indicate that it is not P. gerbillus since it is supposed to be so rare. After breakfast I go out in a working day to hunt birds. The first one that I saw was across small light forests thorns and Turquis Brushfinch, Poioptila plumbea. Long-tailed Mockingbirds were Mimous longicaudatus was also seen. Hummingbird, and antitile were also seen. I collected a Cunilla senipostorum sp. (probably cinereum) and a flycatcher (probably Elanias sp.). I saw many birds especially in areas of denser vegetation -- usually manguit tree -- but it was difficult.