Many of the earliest books, particularly those dating back to the 1900s and before, are now extremely scarce and increasingly expensive. We are republishing these classic works in affordable, high…

For many years a small book, FOGS AND CLOUDS by the same author, has occupied a unique position because it combined a simple-though thoroughly scientific-explanation of the various phenomena with…

This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the…

This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the…

First, a variety of genetic and protein structural evidence suggests that two discrete genes - both a variable region gene and a constant region gene - specify each heavy chain…

First, a variety of genetic and protein structural evidence suggests that two discrete genes - both a variable region gene and a constant region gene - specify each heavy chain…

The Herpesviruses A consideration of the genetic analysis of members of the herpesvirus group necessitates a description, albeit brief, of the properties of the group and, most importantly, of their…

Each control operation is mediated by a pair of complementary genetic elements (hereafter called control cell ): a control gene which produces a l control (or regulator) protein and a…