Beebuzzer - do you know how much your DH earns and how much is left over each month after he has transferred money to you?
If you know and are happy with the split then that is one thing. If you don't know and he won't tell you, or you feel uncomfortable asking, then he is treating his finances as none of your business, which, if you are married, they are!
Personally my DH and I have 1 joint account for joint spending (household, childcare and clothes etc, family holidays, Christmas pressies for the rellies etc) and 1 each for individual spending (going out with friends, CDs, clothes for ourselves, things we don't really need!). We also have our own savings and investments and I enjoy having control of my own finances (I work full time and I do think of my earnings as 'mine' once I've paid my share of our joint expenses); however we do a quarterly financial review which effectively treats all this as joint assets (which is how it would be viewed if we ever separated after all) - it is all on one spread sheet and there are no secrets here (my DH knows exactly how much money is in my running away fund!) and I believe the issue is not how many accounts there are and whose name is on what, but do you have an honest and equal financial relationship.
If your husband has a lot of money left over each month and you are struggling to make it to the end of the month that isn't equal, and if he won't discuss how much he has left that isn't honest!