"Then measure with the eye, assisted occasionally by the port-crayon, the proportion of the parts.

Then put dots on the paper; a dot where his head comes; another dot where his elbows and knees come, and so forth.
Then strike it all in boldly--it's impossible to give you better advice than that--strike it in, Zack; strike it in boldly!" "Here goes at his head and shoulders to begin with," said Zack, taking one comprehensive and confident look at the Dying Gladiator, and drawing a huge half circle, with a preliminary flourish of his hand on the paper.

"Oh, confound it, I've broken the chalk!" "Of course you have," retorted Valentine.

"Take another bit; the Academy grants supplementary chalk to ignorant students, who dig their lines on the paper, instead of drawing them.

Now, break off a bit of that bread-crumb, and rub out what you have done.