problem google catches my pages but not showing?

[anisjoshi]

Hi,
i have a website consisting more than 200 pages.
last month google catch my 189 pages,
(i saw the catched page - catched on august)
but now google is showing just 149 pages
i just c the catched page it is of july?
why this is happning?

[jasondmce]

What is the URL?

[dotancohen]

Do you mean cache?
Actually, this doesn't sound so unusual. Are you getting visitors from Google?