Remove email account

[newdroidhtc]

I have 2 pop email accounts. would like to remove one of the accounts but do no know which screen to begin on have tried
Applications
selected ) mail
tapped upper corner displays Select account
options are
new account
1st email account
2nd email account

if I select the account with long touch nothing happens/ if short touch goes directly to emails.
also tried
settings but do not see access to emails

Need help
Thanks