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...
1 Go to Settings --> Messages. 2  Scroll down to Message History. Here, you can choose to delete all messages older than 30 days, or all messages older than a year old.  Confirm that you want to delete the old messages and attachments.