Mustang, Meika A. 1993 Journal 50 Est. Biol de Canat'inga - M6 researchers. There are a few resident researchers at present, collecting data for a study of the muriqui's diet. Visiting researchers pay US $ 5.00 per day per person for lodging, including all meals. The place is worth visiting, the monkeys are quite tame and therefore easy to observe, because they have been studied for many years. We set up trap, as our standard procedure. Jairo Vieira Gomes, the caretaker of the station, showed us around the area. On the first night we caught 7 Mamosops ! 5 males, all with adult "scapular" pelage, and 2 female, also with adult "short" pelage and visible mammae. We also caught Proechimys and a couple of Didelphis (female, w/ young in the pouch, quite developed, tails visible from the outside). On the second night a Nasua coati-mundi', probably messed up all our traps ! Since we had already enough individuals of Mamosops we let go decided to take out the traps. Trapping effort was then of just 2 nights (120 x 2 = 240 trapnights), significantly affected by the Nasua attack. On the 2nd night we also caught 2 teiws (lizard, terrestrial Tropidurus) and a bird (Xiphocolaptes albicolis, white-throated