M. Brock 1955 Journal Dec 20 between Teacapan and Puerta del Rio, Sinaloa, Mexico or less been settled. Someone has brought the brought down to this area and it is now available. We may go out early tomorrow morning to the mangroves. The water situation has become difficult; our 5 gallons of water brought from Arizona has been used up, we are now using halazone tablets. The day was very warm (too warm to really do any field work) The evening right now is a very warm pleasant clear evening except for the mosquitoes and another very small biting insect (like chigger, I think) Saw a squirrel cuckoo today Dec 21 In the morning went into the mangrove swamps with Hamilton + Maher and the guides in a large canoe. Saw about three racoons and many birds; I will make a check list of birds of the mangroves off Escuinapa in Sinaloa, Mexico. In the afternoon Bill Maher and I went into Mazatlan for food, sulfaguanidine pills, quinine pills and Halazone tablets. Dec 22 At about 9:30 AM Maher, Hamilton and the guides and I finished packing all materials in the canoe and finished putting a rack on the canoe for an outboard motor. Going through the mangroves the following birds were seen:)