three lires up the Monte Mayor river to the Misericordia mine. It is two and a half miles north of Monte Mayor, I was there last spring but found only Glossophaga and Carolia. The tunnel is about 50 feet long. They found four genera in the tunnel, Phyllostomus Nos. 12112, 12113, 12114, 12115, 12116, 12117, 12118, 12120, 12121, 12122, 12123, 12124, and 12125. Chionycteris rubiginosa No. 12119, Carollia Nos. 12126, 12127, and 12128. Glossophaga, No. 12129. December 14, 1926 - Today I worked on the specimens brought in from the Misericordia mine last night. Clear day. 7 A.M.-70° F. December, 15, 1926 - Another trip was made to the Tempique mine this morning. We found the large bats in the mine to be Artibeus. They were quite gregarious in habits and we found them clinging to the pockets in the rocks at the highest points on the ceiling or roof of the tunnel. They braced