Page:Popular Science Monthly Volume 27.djvu/413

 formation, the appendices belonging to which resemble those found in the scorpions of our own day." This species has been named Palæophoneus nuncius.

The Scottish specimen (Fig. 2) is described by Mr. Peach in "Nature" as being about an inch and a half long, and lying on its back



on the stone. "Its exposed ventral surface shows almost every external organ that can be seen in that position, and in this way serves to supplement the evidence supplied by the Swedish specimen. As in the northern individual, the first and second pair of appendages of the