Q. Why are these mists called stra’tus clouds?

A. From the Latin word, stra’tus (“laid low,” or “that which lies low”).

Q. How are the intermediate clouds sub-divided?

A. Into two sorts. 1.—The Cirro-Cum’ulus; and 2.—The Cirro-Stra’tus.

Q. What are cirro-cum’ulus clouds?

A. When cirrus clouds spring from a massy centre; or when heavy masses of cloud terminate at their edges in long streaks, or what are called “mares’ tails.”

A system of small round clouds may be called cirro-cum’ulus.

Q. What do cirro-cum’ulus clouds generally forebode?

A. Continued drought, or hot dry weather.