Poxviruses are broadly classified into insect-infecting viruses (entomopox) and vertebrate-infecting viruses (chordopox). The chordopox are further divided into eight genera.

Attempted but never conquered was a possible fifth way, the Grand Pilastre, a 5,000-ft. perpendicular wall of gripless, smooth rock and slithery green ice that looms over empty space toward the summit.

As the car salesman approached, wearing a plaid suit and slicked-back hair, he seemed to embody sleaze.

There was ol' Mickey Coote Who played hard on his flute When the ladies lined up for a set He was tootin' with skill For each sparkling quadrille Though the dancers were fluther'd and bet