28 FEBRUARY 1931, page 26

The Language Of Science Number : The Language Of Science.

By Tobias Dantzig• (Allen and Unwin. 10s. 6d.) Fon the last two hundred years Philosophy has been in disrepute ; and with the spread of the belief in the mechanical view of......

Some Practical Salmon Problems Salmon Hatching And Salmon...

Lectures delivered in Edinburgh, 1930, by W. L. Calderwood, I.S.O., F.R.S.E. (Arnold. 4s. 6d.) Tins little book is not by any means a hatchery manual as its title might seem to......