Sullivan J. 1961 Lemmus trimucronatus. Brown lemming June 9 June 9, 1961 Barrow - a low in lemming number at present. M. Brewer + Other had captured over 100 before arrival of Mullen Mullen + Chamberlain captured 7 since arrival. Broch ridge + central marsh - plenty of runways no lemmings spotted. 1 snowypool + 3 sponerine preyire hunting around central marsh. also 1 arctic fox. June 10, 1961 South of ARH. Tundra in thick with lemming droppings, but no lemmings seen. An old nest woven of grass + sedge seen. Also an old can with an nest in it - many droppings in vicinity. Runways common - even seen cutting through ice under water. June 11 South of drum area with Mullen + Holmes looking for an unusual duck seen by Mullen. I spotted a lemming running through the sedge, then swimming in shallow water. I grabbed the animal and gave it to Mullen. It was a pregnant 9. June 12 Barrow, Alaska. w/ Chamberlain on beach ridge - caught one Lemmus - running through grass. Given to Mullen. PM - while setting snap traps - found 3 dead Lemmus in old traps. Additional dead L. near tran line.