I'll scalp a few red fellows or smash up a dozen or so of cowboys for your special benefit,' laughed Dan, well pleased with the energy and fine physique which made Nan a conspicuous figure among other girls.
'Thanks.

I'll come.

Would you just let me feel your arm?
Splendid biceps! Now, boys, see here: this is what I call muscle.' And Nan delivered a short lecture with Dan's sinewy arm to illustrate it.

Tom retired to the alcove and glowered at the stars, while he swung his own right arm with a vigour suggestive of knocking someone down.
'Make Tom sexton; he'll enjoy burying the patients Nan kills.

He's trying to get up the glum expression proper to the business.