E.M Brock 1955 Journal San Blas, Nayarit, Mexico at the countryside and the forms of life. In the afternoon we went back to their areas and collected specimens & shot and prepared a streaked flycatcher from this area, Dec, 27, I took a walk in the morning to look at San Blas and some of its old buildings in hopes of finding bats. Fortunately I did find bats roosting in an old building which was still occupied and being used as brick manufacturing house. I had no idea how to get the bats down until I saw a small boy with a slingshot. But, the boy, not having any rubber bands used stones to knock down our bat. This attracted other small bats and soon they had knocked down five bats all of the same kind. I prepared them in the afternoon and then in the evening we all set out 30 traps apiece in the mangrove swamp area just to see what mammals do occur there Dec 28 Checked the traps in the morning and didn't have anything in my trap except for some crabs which have their holes in this soft wet ground. Bill Hamilton caught me Peromyscus. At 3:00 we met Jose, a young man Hamilton had met the previous day and had claimed to know