SINCE you were good enough to allow me to announce in NATURE, the discovery of diatoms in the London clay, I have been able to trace the band in which they occur throughout the whole extent of the ...

The event will be held at Clays, located at 55 Moorgate, London EC2R 6LL. The competition will see teams vying to win significant donations for their chosen charities. The winning team will secure ...

I DO not know if diatoms have been observed in the London clay, or not. If they have not, it may interest many to know that I have discovered triangular, quadrangular, elliptical, and discoidal ...