If he had been chasing you so far, I'd say just wait, but since you initiated dates then just call him. He might be waiting for you to call. Ask if he's interested, but don't pressure him, if he sounds hesitant, say you had a good few dates but if he wants to leave it here that's fine.

__________________
"When I was 4 years old, they tried to test my IQ.
They showed me this picture of 3 oranges and a
pear. They asked me which one was different and
did not belong. They taught me different was
wrong."
- Ani DiFranco -