P. PEARSON 1950 33 April 27 left 8 a.m. with R. Bowly + Mr. Kyford for Myotis Co. Coryphunina. Attra Spring atte had a colony of ? ?, all banded, and one young ?. also a single Myotis gurneensis barging in open from ceiling near the window. At attra Mine found 1 ? Cory in upper tunnel but nothing in others. One batte swoke at entrance to one of the 2 lower tunnels. Then drove to Knopville (one ? and ? intuned by root) and Manhattan Mines. Two ?? in OP tunnel and 2 in Catecombe. In the big open pit in a chamber across the chasm that must be jumped we found a large colony of ?? Many (severl dozen) flew when we first entered the chamber, after swinging wildly with nets for perhaps 1/2 minute we decided to let the bats settle down. Some had escaped but most quieted; whereupon we stretched nets across the entrance and caught all except a few of the remainder. Most of these were in a narrow chimney only about 1 1/2 ft. in diameter and several feet tall - a very confined space for Coryphunina. Less than half were banded ones, and many that we had banded nearly during the winter were not present (didn't arrived yet or other colony somewhere). All told there were 140 ? ? present. Banded and released all except about 15. Most of these and the Attra Spring's area were foraging. The ?? were easily divided into big + small fledged, the accessories small in both cases but smaller in the small-fledged. (young) group. Home 9 p.m.