spinous layer

With each successive layer of networks, the U.S. became more potent.

It separates into three layers upon standing—a brown deposit, a clear fluid, and a frothy layer.

The upper surfaces of the boilers were covered with a layer of ashes for the same purpose.

By the repetition of this process, a layer of several feet in thickness, of an excellent soil, is accumulated on the surface.

He was shot by a man of the 32d, and his body formed the lowermost layer of a causeway of corpses that soon choked the ditch.

Laura drew out the third drawerjust glancing at the top layer of papersand then the fourth and last.