7 February 1972 To Tehuantepec, Oaxaca, Mexico. Took 3 a.m. bus for Coyotepecos - arrived 3:30 p.m. Went seeing country flat, green - cultivation, cattle, widely spread Tall trees of various kinds (ceiba, palma). Lakes, ponds, ranches, + industrial slow rivers. C. a waterfront commercial town, unattractive. We took 2030 bus for Tehuantepec. To Texcoco 6. 8 February 1972. Arrived 0130. Went to Hotel Saturno (31 Nidalgo, tel. 19). Found "Don Tomas" Mc Dougall, botanist, away. Went to office of forestal Capitan Sala, in Santa Maria - but no sign of him. Saw no armadillo in large market, but pile of live iguanas on sale. We took 1230 bus for Texcoco 6., arriving about 5 p.m. Mountain to E. of highway partly cut, eroded, or had short dry deciduous forest, but patches upmount rain forest in distance. Stayed in evening at Hotel San Carlos. Briefly visited Zoo, when A. del T. told us McDougall had been there recently. We saw a few birds flying among zoo trees. The spotted cats were not sleeping, mod. active. Leopard rolled on rock or bare ground. 9 February 1972. Received mail, including bot nets, at Zoo. A. del Toro told us that McDougall entered E. Oaxaca forest and then Tehuantepec. He also said that a few years ago, when reservoir behind Malpaso Dam was filling, many jaguars were trapped on islets and about 300 were killed (compute density?). He still clings to idea of commercial hunters depleting Lacandon forest area. He told me how to get to Coapetagua mangrove area, and gave me letters of introduction to a guard and another man there. He said there were many osclets on