Drawing at the Met

I'm working on a new post, about discipline and preparedness and overcoming disgust in oneself when it becomes apparently those things are absent --

-- but since that's taking a while, here are some drawings I did at the Met yesterday.

 

I am really usually not so successful with these types of studies. Perhaps I just hit the right way to render, and the right size? The top one is the length of my thumb, the bottom one a little bigger.