African spurred tortoise. The African spurred tortoise (Centrochelys sulcata), also called the sulcata tortoise, is a species of tortoise, which inhabits the southern edge of the Sahara desert, in northern Africa. It is the third-largest species of tortoise in the world, the largest species of mainland tortoise, and the only species in the genus Centrochelys.
You can delete messages one at a time, or you can delete an entire conversation. To delete a message: 1  Click Messages on the left side of your homepage. 2  Open the conversation you want to delete a message from.  From the Actions menu, select Delete Messages...
While the iPhone application does not allow you to permanently delete messages from Facebook`s system, you can archive messages using the iPhone application. Archiving the message deletes the selected message from your Facebook inbox. You can later delete the message permanently from Facebook by accessing your Facebook account from a computer and deleting the contents of the Facebook Messages archive folder.