"Barking up" this originated with hunting; a dog would sometimes make a mistake locating its prey
[DOC] [TLE] Jeopary Questions page 955 - RECENT FILMS - TriviaBistro.com [PAR] IT'S ALL FROM THE GREEK TO ME: It's the optical instrument whose name is 
from the Greek for "small view"  WHO'S YOUR ... "Barking up" this originated with 
hunting; a dog would sometimes make a mistake locating its prey  POLITICIANS:
... [DOC] [TLE] question about rhodesian ridgebacks...UPDATE ORIGINAL POST ... [PAR] Most dogs have a prey drive, especially hunting annd terrier types.