I present and discuss three previously unpublished manuscripts written by Bertrand Russell in 1903, not included with similar Volume 4 of his Collected Papers. One is a one-page list basic principles for “functional theory” May which partly anticipated the later Lambda Calculus. The next, catalogued under title “Proof That No Function Takes All Values”, largely explores status Cantor’s proof th...

Hyalella faxoni Stebbing, 1903 from Costa Rica is redescribed. The species was previously in the synonymy of Hyalella azteca (Saussure, 1858). The morphological differences between these two species are discussed.

The article highlights the role played by São Paulo's Pasteur Institute (1903-16) in the development of microbiological science in Brazil and in the emergence of a pharmaceutical industry owned by Brazilian capital.