It is worth noting that in 1891 Dr. Edridge-Green, of St. John’s College, put forward the view, in his Colour Blindness, p. 103, that whereas normal vision is hexachromatic, there are persons who emphatically distinguish seven colours in the spectrum, exactly as did Newton—or rather the assistant on whom Newton always relied.

Assollant, having observed that spleened animals never died of hemmorrhage, and that ligatures applied to the divided splenic vessels constantly caused abscesses in the omentum, and death, adopted a peculiar mode of extirpation, which consisted in exposing the organ by a sufficient incision, cutting across its vessels, removing itself, and, without applying a ligature to any of those vessels, proceeding to return the protruded viscera, and to unite the external wound by some points of suture.

When war broke out between France and Austria in 1792 the Badenese fought for Austria; consequently their country was devastated and in 1796 the margrave was compelled to pay an indemnity, and to cede his territories, on the left bank of the Rhine to France.

Beginning now with the root of the vascular ciyptogams, it may be added that in these the epiblem is not replaced by a periderm, although a well developed hypoderma frequently takes the place of the epiblem layer, which dies and disappears.