D. Straney 1978 118 5 Aug. cont'd. working on Saccopteryx billineata commun- ication), to the Rio Hígaron, 16 km S of Cañas by road. Here we set over the river at obvious flyways. Saw some Saccopteryx roosting and a tiger backed lemon. Nets up at 6:45. Saw 1 opossum (mid size, gracile, not Philander - long, light tail) in a tree. By 9:30, got 1 Noctilio leporinus, 1 Eptesicus, 15. lillium, 2 Glossophaga, 6 Carollia sp. (one very ruffous above grading to grey ventrally), and 10 A. jamaicensis. Back for dinner and bed by 12. 6 Aug. Cañas, Guanacaste Prov. Up by 8 & processing leg 10, we worked three to 3:30. Then down to the Río Abangaren, km S Cañas by road. Rained like a sons-of-a-bitch when we got there & we spent the time looking at a Saccopteryx (?) roost in the joint of the bridge. Got up one net by dark (after actually) and got suckles 'til 9 when we returned. Had dinner before leaving at "La Perla" restaurant - grilled steak! & bed by 11:30. Got 1 G. commisonis, 5 Sternira lillium, & 15 A. jamaicensis and 1 Phyllostomus discolor.