diff --git a/lib/OpenLayers/Layer/Grid.js b/lib/OpenLayers/Layer/Grid.js
index 10bf2f1e04..eb4f72c023 100644
--- a/lib/OpenLayers/Layer/Grid.js
+++ b/lib/OpenLayers/Layer/Grid.js
@@ -264,6 +264,20 @@ OpenLayers.Layer.Grid.prototype = Object.extend( new OpenLayers.Layer(), {
         }
     },
 
+    /**
+    * addTile gives subclasses of Grid the opportunity to create an 
+    * OpenLayer.Tile of their choosing. The implementer should initialize 
+    * the new tile and take whatever steps necessary to display it.
+    *
+    * @param {OpenLayers.Bounds} bounds
+    *
+    * @returns The added OpenLayers.Tile
+    * @type OpenLayers.Tile
+    */
+    addTile:function(bounds,position) {
+        // Should be implemented by subclasses
+    },
+
     /** @final @type String */
     CLASS_NAME: "OpenLayers.Grid"
 });