2.5 30. 1963 Journal 23 July worked up a schedule for the colony work through the rest of the summer. The animal on the powdered diet died. We will try a gradual introduction to the diet & cage as a last resort. After lunch, the metabolic cage were done. at 1515. H.E.C., Logston left for the field. Hank was going to set the line traps while Logston set XIV + XIV and I + II. Wohlebtag Slough was too tight and there wasn't time to go around, so we set II, VI, VII, VIII. We picked Hank up on the way back. We planned to set XIII & XIV anyway but it was rather sloppy weather so Logston took Chibs back to the line plot about 2130. The fog cut visibility to 100 yds. I wrote a note and went to bed. 24 July Bureau, Alaska Routine colony work was begun at 0800. About 0830 J. Beck came in & looked around. I asked him whether Brewer had said anything about the frame for the breeding cage but everything was negative. He promised to check on it. Our only litter brought up in the lab was taken away from its mother at 18 days age. An attempt to file the teeth of a lemming as a means of identification to measure growth was unsuccessful. I will try a sharp [illegible] tomorrow. We decided to try a gradual change to powder in the metabolic cage. The animal will be fed lab chaw powder, at first with small chunks, and later with pure powder. The food bin, which is a frozen juice can is placed on the side and another can [illegible] condensed milk)