Mays Blue 1972 Journal 69 Peteiro Mandeyyu, 20 km SW of km 205 on Trava Chaco Hwy. Depto. Pte. Hayes, Paraguay 260t cleared me set after another closing it when finished. Took me until 10:30 to get all sets closed - t caught several bat in the closed nets. I had the impression that the molossids hit my nets early & stopped soon. No Eptesics fassin & Myotis never quit. The air was thick with bats - I didn't catch but a small fraction of what was there. Weather was clear - Temp 85F no wind, humidity seems high. Lightning in 5, which portends a shift in weather & rain. Released 52 molossids of 4 species, 5 kept. 13 trauragryllus were Myotis released, 1 (?) kept, 6 dissected but not put up. 16 Eptesics released # 14 put up, 7 dissected but not put up. 3 fassin egg put up, 6 released, 6 dissected & not put up. (? little brown Myotis put up. 1 redding Myotis put up. Gross total of 56 molossids (84 sp), 79 vespertiliani (5+sp), or 135 bats in all (+4 ruined nets). One (the gauchos gave me a yaguarundi's skin. 270t streeting, cool. Flueep in 70's. All day skiing. 280t rain 10:30 AM temp 60°F 230 km NW Villa Hayes, Depto Pte Hayes, Paraguay 270t returned to base increasing cloudiness, cooler. 250t rain. 10:30 AM temp 60° F. 3:30 PM down to 58, & cut right down to around 50°F. Ju