There was about 65 yest to dining at the Houston Club which began about 7.30 P.M. There were about 20 ladies and among them the pol- [illegible] girls Mrs Pleumer and Miss Lane. The youngst Stannia was also present. Among the older men were De Wolf, Pratt, Deusen, Remble, Baker, Hager (Chairman), Barton and others whose names I do not recall. (8.30-9.30) I spoke about an hour and dealt the interest- ding part of it in response to questions or criticism which I had invited. Deusen believed that Powers had shown the salt of the days to be of Permian age. I showed it to be impossible and besides a bacterium cannot prove the age of any salt. I had said that since an average salt plug had about one cubic mile of salt that if it came from a bed so far thick it would have to have flown together from an area of 50 miles radius. I was corrected to 7 miles radius. Therefore the salt does in no case flow very far. Dumble said since the Cengric formations are thicker towards the sea, therefore Llandonia must have been present with them. He is clear in error since