1) "John....home." Ch. 1 p. 3-4
A mostly physical description of John Reed with some aspects thrown in of how his looks affect the way he acts.

2) "Why...night." Ch 2 p. 8-9
Physical descriptions of Eliza and Georgiana and more about John's character.

3) "I stepped...teeth!" Ch. 4 p. 25
Physical description of Mr. Brocklehurst.


What so these observations reveal about the narrators's personality, ideas or preferences?

Jane has been told so much that she is ugly, that she has been begun to forcus on outward appearances of the people she encounters, making their physical descriptions the first thing the reader knows about a character.