To create a new collection, either public or administrative, head to your user dashboard. On the left hand side, you will see a tab titled "Collections" listed under Repository Contents.
Once you select this tab, you will be taken to a list of all collections you own. You can go directly to the items in the collection by selecting the link under "Title". By clicking the "Select" item under "Actions", you can also view, edit, delete, or add to the collection directly.
To create a new collection under your ownership, select the red "New Collection" button on the top right of the Collections page.
You will now be asked to choose from two different types of collections: