Pauli critizices the treatment of photoelectric and Compton effects in Sommerfeld's Atombau. He reports on Rabi's work on X-ray absorbtion. He talks about Oppenheimer's paper in Z. Phys. on continuous X-ray spectra.

Pauli hopes that Kronig and Kramers will come to the conference.

Pauli discusses the question of the width of the zero-order spectrum of a refracted electron beam. He suggests that Kramers should calculate it for gases or liquids.

Pauli urges Bohr again to publish his note on the magnetic electron. He criticizes his note on Beta-rays. Pauli plans to use a short visit to Copenhagen for writing a joint paper with Oppenheimer. He is not satisfied about his joint work with Heisenberg, because of the difficulties of the self-energy of electrons.

Heisenberg asks if Pauli wants Peierls as his assistant. Heisenberg says that he wants Bloch to come to Leipzig.

Pauli thanks Einstein for the proofs of his paper on "Fernparallellismus". Pauli remarks that from the viewpoint of quantum theory nothing can be said in favour of this new concept. He further criticizes the derivation of Einstein's field equations and their results which have lost contact with physical reality. He is ready to bet that in a year Einstein will drop the whole "Fernparallelismus".

Pauli makes remarks on Schrödinger's letter and offprint.

Pauli wants to discuss hyperfine structure in Ann Arbor and will probably bring data from Schüler.

Pauli expresses his dissatisfaction over Dorac's remarks in the Proc. R. S. on Heisenberg's and pauli's papers on quantum electrodynamics. He particularly argues against Dirac's doubts as to the relativistic and the invariance of quan tum electrodynamics.

Pauli thanks Einstein for the proofs of the paper he has written with Mayer and he expreses the greatest doubts as to the physical valididity of its basic idea, to describe two particles with different masses by a wave-function in an ordinary space-time continuum.