They appear in the Notification Centre but not in the Menu Bar. I checked the settings and there isn't any option to enable a Menu Bar icon. Unless the terminology here is skewed.Erm, if you have Mountain Lion installed (And maybe Lion-don't know you have notifications in the Menu Bar.
Not by default with Mt. Lion, but there are some apps like this you can buy to add that functionality.I just noticed that the default Mail application provided by Apple doesn't have an associated icon in the Menu bar. Occasionally I like hiding the dock but would like to keep an eye on my e-mails via the menu bar. Can this be done?