They don't come up on the original My Records list - they come up as additional options at the top, when you view an image you've already got.
I've attached a print of the bit at the top, when "viewing" an image. (Now removed after Gillian kindly drew my attention to the fact that my e-address was on display!)
According to the 1911 census blog, the problem has been fixed! Might be worth either leaving a comment on the blog, or contacting them. 1911census.co.uk blog
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