LIDICKER 1981 Sept. 3 was in Spain. After lunch drove to Białowieża w/ K. Andrzejewska, driver Andrzai & a graduate student of Roman Andrzejewski's named Ursula. Stopped in the village of Siemiatycze for dinner. Arrived at B. ~ 2000. Zdzisław Pucek greeted us & checked us in to a lovely vehicle from an old hunting lodge meant for PAN official guests only. We were the only guests. Sept. 4 - Had breakfast at the Hotel Iwa (willow) which is very nearby. Then we visited at the Mamrot's Rosenthal Inst. & later mid-morning went out with Krystyna Raczyńska to look at a herd of wood bison which was quite close to the main road near farm. We had very close looks at a mixed herd of 9 individuals. From 1300-1400 I gave a seminar on "Biomedical and pathological evolution in brown rice on the island of Hawaii". It was held in the seminar room of the Inst. of Forestry & Botany next to Pucek's guest house which does not have a suitable room. I was introduced by Marek Geliński. Afterwards we had discussion until 1530. Much of this was with Krystyna Falinska who is plant population ecologist in the Botanical Institute but who cooperates with Pucek's group. We were discussing nature of individuality in organisms & populations (esp. plants & esp. asexually reproducing ones). After this K.A. & driver & I had