M. Brock 1957 Raising of youngs Letter 2 5 A.R.L. Barrow, Northern Alaska Aug 19 One of two remaining youngs found dead in tubarium and partly eaten, #641 ♀ 95-15-18-9-10.0g 37 days old For some reason or another the one remaining young was in the afternoon seen going into fits and slowly died. It seems funny that no ill effects were noticed on the young ones when I "disturbed" their aggregation on the 18th. I searched the area to find out how many lemmings were still alive. Apparently they were doing alright until I disturbed them- not physically. As mentioned above one died during the night, the other this afternoon. This same situation seems very reminiscent of previous deaths among my lemmings. Perhaps they are extremely sensitive to disturbances. The only difference that I can think of is in diet - until yesterday Ingrid! has been feeding them just grass, yesterday I provided them with cabbage and lettuce; 96-12-18-8-13.9g 37 days old #643 End of Litter