1933-1942 588, 634, 251 p., 61, 37, 4 figs, 3, 8 pls, 3 maps, Volumes 2-3 hcloth, Volume 4 in paperbound issues. Library stamps. Waterstain in upper corner of last few pages volume 4 (with a little loss of blank page corner at the very end).This series was not continued after the second issue of volume 4!