diff --git a/source/Ox/js/Collection.js b/source/Ox/js/Collection.js
index 72829f5d..746ed0f3 100644
--- a/source/Ox/js/Collection.js
+++ b/source/Ox/js/Collection.js
@@ -138,7 +138,7 @@ Ox.filter = function(collection, iterator, that) {
             }
         });
     } else {
-        ret = Ox.toArray(collection).filter(iterator, that);
+        ret = Ox.slice(collection).filter(iterator, that);
         if (type == 'string') {
             ret = ret.join('');
         }
@@ -182,7 +182,7 @@ Ox.forEach = function(collection, iterator, that) {
             i++;
         }
     } else {
-        collection = Ox.toArray(collection);
+        collection = Ox.slice(collection);
         for (i = 0; i < collection.length; i++) {
             if (
                 i in collection
@@ -289,7 +289,7 @@ Ox.map = function(collection, iterator, that) {
             ret[key] = iterator.call(that, value, key, collection);
         });
     } else {
-        ret = Ox.toArray(collection).map(iterator);
+        ret = Ox.slice(collection).map(iterator);
         if (type == 'string') {
             ret = ret.join('');
         }
@@ -430,7 +430,7 @@ Ox.shuffle = function(collection) {
         });
     } else {
         ret = [];
-        Ox.toArray(collection).forEach(function(value, index) {
+        Ox.slice(collection).forEach(function(value, index) {
             var random = Math.floor(Math.random() * (index + 1));
             ret[index] = ret[random];
             ret[random] = value;
@@ -459,10 +459,10 @@ Ox.slice <f> Alias for `Array.prototype.slice.call`
 Ox.slice = Ox.toArray = function(collection, start, stop) {
     return Array.prototype.slice.call(collection, start, stop);
 };
-// IE8 returns an empty array if undefined is passed as stop
-// and an array of null values if a string is passed as value.
-// Firefox 3.6 returns an array of undefined values if a string
-// is passed as value. IE NodeLists may not work with slice.
+// IE8 can't apply slice to NodeLists, returns an empty array if undefined is
+// passed as stop and returns an array of null values if a string is passed as
+// value. Firefox 3.6 returns an array of undefined values if a string is passed
+// as value.
 if (
     Ox.slice([0]).length == 0
     || Ox.slice('0')[0] === null
@@ -527,7 +527,7 @@ Ox.sum <f> Returns the sum of the values of a collection
 @*/
 Ox.sum = function(collection) {
     var ret = 0;
-    collection = arguments.length > 1 ? Ox.toArray(arguments) : collection;
+    collection = arguments.length > 1 ? Ox.slice(arguments) : collection;
     Ox.forEach(collection, function(value) {
         value = +value;
         ret += isFinite(value) ? value : 0;