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...
Delete Stored Chat Messages. Facebook stores your chat messages by default, but you don't have to keep them. You can delete messages permanently from the conversation history stored in Facebook Messages. Click the Actions button in the conversation toolbar and then select Delete Messages in the pull-down menu.acebook stores your chat messages by default, but you don't have to keep them. You can delete messages permanently from the conversation history stored in Facebook Messages.