The discussion written under H. Sabry’s name unfortunately is based on erroneous assumptions and misinterpretations. It is an attempt to defend some ideas propagated recently in Egyptian geology by Said and since proved to be incorrect (El-Naggar, 1966b, p. 38–40, 42, 57–59, 259–263; Berggren, 1963, p. 163, 174–176). Therefore, the discussion appears to the writer to be subjective and much biased.
In the discussion Sabry argued that:
In reply to these objections, I herewith cite the following (number system used is the same as above).