While caring for patients, clinical staff is heavily robed with gown and apron; three pairs of gloves; a hood; and goggles.

They have now been shown to possess six pairs (fig. 47), as do Limulus and Scorpio.

The Hyoid of the dog consists of a transverse median piece, the basi-hyal (fig. 72, 32), from which arise two pairs of cornua.

What puzzled me at first was the fact that there were marks from only two pairs of boots, both of the regulation pattern.

Other similar machines which followed carried from forty to a hundred pairs of men.

A battery is represented by a number of pairs of such lines, as in Fig. 67.