"around" and "round" by the same British author

1blockquote

00But 11b10round 12b10the end of a cucumber frame, whom should he meet but Mr. McGregor!12blockquote

11blockquote

00After a time he began to wander about, going lippity-lippity-not very fast, and looking all 11b10around12b10.12blockquote

10Both of these quotes are from the same book, "01i00The Tale of Peter Rabbit02i00" by Beatrix Potter. 02br
00I leaned that "round" is the English spelling, but in this book, I found both spellings (round and around).02br
00Does it mean that there are two ways of spelling for "around (round)" in BrEn, and they are optional? Are the following sentences possible? Is it intentional that one is chosen over the other in the case of Peter Rabbit?01blockquote

00But around the end of ...12br
10...and looking all round.12br
12blockquote

10 0-