Mine

japherwocky@japhercules:/tmp$ git clone git@loud3r.unfuddle.com:loud3r/loud3rapi.git
Initialized empty Git repository in /tmp/loud3rapi/.git/
remote: Counting objects: 1600, done.
remote: Compressing objects: 100% (505/505), done.
remote: Total 1600 (delta 1077), reused 1600 (delta 1077)
Receiving objects: 100% (1600/1600), 282.75 KiB, done.
Resolving deltas: 100% (1077/1077), done.
japherwocky@japhercules:/tmp$ cd loud3rapi
japherwocky@japhercules:/tmp/loud3rapi$ git checkout origin/corbis_prototype
error: pathspec 'origin/corbis_prototype' did not match any file(s) known to git.
japherwocky@japhercules:/tmp/loud3rapi$