What evidence does Polsby present to demonstrate the establishment of boundaries in the US House?

What evidence does Polsby present to demonstrate the establishment of boundaries in the US House?
What evidence does Polsby present to demonstrate the growth of internal complexity in the US House?
What evidence does Polsby present to show how the House has moved toward universalistic and automated decision making?
How has the institutionalization of the US House changed the way the body works? What is different about the House in Polsby’s time than in the early 19th Century?
In the 52 years since Polsby’s piece was published, partisan and national forces have become more important in the US House. How has this changed some of the conclusions that Polsby reached about institutionalization?

Polsby, Nelson W. “The Institutionalization of the U.S. House of Representatives.” The American Political Science Review 62, no. 1 (1968): 144-68