- Something happening to the fish then that caused this sudden we 250 change ? DONALDSON: CONARD: along. ee eee an wu F - When did they get rice? They had been eating rice pretty much ali ‘ or Their food habits can change rather drastically and greatly. wo DCNALDSON: at that point? DUNHAM: There wasn't a difference in your counter 10 FREMONT-SMITH: 12 EISENBUD: 12 13 14 15 16 Don't sugges¢, that! What is the half-life of zinc-65? Should know, but I don't remember, DONALDSON: 2.6 years isn't it? I . somthing of that order of magnitude, CONARD; But that wouldn't account for a sudden change ? 17 18 I would have to look it up. 19 there has been no drastic change in any Incidence in the 20 usually expected declines that have gome om, 21 have changed their habits not only in eating fish but in 22 eating birds; if they've had expeditions to the north island 23 28 25 26 27 28 29 30 31 DONALDSON: if I remember the data correctly--~and Maybe if they and come back with lots of birds, that would increase it, FREMONT-SMITH: Did you do any cultures of white cells on these people? CONARD: For chromosomal abberations, At ten years we had quite a few cultures, about 40 cultures. FREMONT-SMITH: Dhd they show anything out of the usual? CONARD: They showed persisting aberration, low FREMONT SMITH: 33 CONARD: S - 33 levels of aberration. 32 mace I have it here, but essentially More than other people would have? More than the control, They were compared =8 QD Y/