diff --git a/arangod/V8Server/v8-vocindex.cpp b/arangod/V8Server/v8-vocindex.cpp
index 2ebf31344b..c91645e175 100644
--- a/arangod/V8Server/v8-vocindex.cpp
+++ b/arangod/V8Server/v8-vocindex.cpp
@@ -1628,6 +1628,9 @@ static void CreateVocBase (const v8::FunctionCallbackInfo<v8::Value>& args,
     TRI_GET_GLOBAL_STRING(IsSystemKey);
     if (p->Has(IsSystemKey)) {
       parameters._isSystem = TRI_ObjectToBoolean(p->Get(IsSystemKey));
+      if (name.empty() || name[0] != '_') {
+        parameters._isSystem = false;
+      }
     }
 
     TRI_GET_GLOBAL_STRING(IsVolatileKey);
diff --git a/js/actions/_api/collection/app.js b/js/actions/_api/collection/app.js
index 21e6ce0295..9fb188f05e 100644
--- a/js/actions/_api/collection/app.js
+++ b/js/actions/_api/collection/app.js
@@ -118,31 +118,35 @@ function parseBodyForCreateCollection (req, res) {
   else {
     r.name = body.name;
   }
-  r.parameter = { waitForSync : false };
+  r.parameters = { waitForSync : false };
   r.type = arangodb.ArangoCollection.TYPE_DOCUMENT;
 
   if (body.hasOwnProperty("doCompact")) {
-    r.parameter.doCompact = body.doCompact;
+    r.parameters.doCompact = body.doCompact;
   }
 
   if (body.hasOwnProperty("isSystem")) {
-    r.parameter.isSystem = body.isSystem;
+    r.parameters.isSystem = (body.isSystem && r.name[0] === '_');
+  }
+  
+  if (body.hasOwnProperty("id")) {
+    r.parameters.id = body.id;
   }
 
   if (body.hasOwnProperty("isVolatile")) {
-    r.parameter.isVolatile = body.isVolatile;
+    r.parameters.isVolatile = body.isVolatile;
   }
 
   if (body.hasOwnProperty("journalSize")) {
-    r.parameter.journalSize = body.journalSize;
+    r.parameters.journalSize = body.journalSize;
   }
 
   if (body.hasOwnProperty("indexBuckets")) {
-    r.parameter.indexBuckets = body.indexBuckets;
+    r.parameters.indexBuckets = body.indexBuckets;
   }
 
   if (body.hasOwnProperty("keyOptions")) {
-    r.parameter.keyOptions = body.keyOptions;
+    r.parameters.keyOptions = body.keyOptions;
   }
 
   if (body.hasOwnProperty("type")) {
@@ -150,19 +154,19 @@ function parseBodyForCreateCollection (req, res) {
   }
 
   if (body.hasOwnProperty("waitForSync")) {
-    r.parameter.waitForSync = body.waitForSync;
+    r.parameters.waitForSync = body.waitForSync;
   }
 
   if (body.hasOwnProperty("shardKeys") && cluster.isCoordinator()) {
-    r.parameter.shardKeys = body.shardKeys || { };
+    r.parameters.shardKeys = body.shardKeys || { };
   }
 
   if (body.hasOwnProperty("numberOfShards") && cluster.isCoordinator()) {
-    r.parameter.numberOfShards = body.numberOfShards || 0;
+    r.parameters.numberOfShards = body.numberOfShards || 0;
   }
 
   if (body.hasOwnProperty("distributeShardsLike") && cluster.isCoordinator()) {
-    r.parameter.distributeShardsLike = body.distributeShardsLike || "";
+    r.parameters.distributeShardsLike = body.distributeShardsLike || "";
   }
 
   return r;
@@ -348,19 +352,19 @@ function post_api_collection (req, res) {
       }
     }
     if (r.type === arangodb.ArangoCollection.TYPE_EDGE) {
-      collection = arangodb.db._createEdgeCollection(r.name, r.parameter);
+      collection = arangodb.db._createEdgeCollection(r.name, r.parameters);
     }
     else {
-      collection = arangodb.db._createDocumentCollection(r.name, r.parameter);
+      collection = arangodb.db._createDocumentCollection(r.name, r.parameters);
     }
 
     var result = {};
 
     result.id = collection._id;
     result.name = collection.name();
-    result.waitForSync = r.parameter.waitForSync || false;
-    result.isVolatile = r.parameter.isVolatile || false;
-    result.isSystem = r.parameter.isSystem || false;
+    result.waitForSync = r.parameters.waitForSync || false;
+    result.isVolatile = r.parameters.isVolatile || false;
+    result.isSystem = r.parameters.isSystem || false;
     result.status = collection.status();
     result.type = collection.type();
     result.keyOptions = collection.keyOptions;
diff --git a/js/apps/system/_admin/aardvark/APP/frontend/js/modules/client/@arangodb/arango-database.js b/js/apps/system/_admin/aardvark/APP/frontend/js/modules/client/@arangodb/arango-database.js
index e88f82101c..b1d3db9854 100644
--- a/js/apps/system/_admin/aardvark/APP/frontend/js/modules/client/@arangodb/arango-database.js
+++ b/js/apps/system/_admin/aardvark/APP/frontend/js/modules/client/@arangodb/arango-database.js
@@ -315,7 +315,7 @@ ArangoDatabase.prototype._create = function (name, properties, type) {
   if (properties !== undefined) {
     [ "waitForSync", "journalSize", "isSystem", "isVolatile",
       "doCompact", "keyOptions", "shardKeys", "numberOfShards",
-      "distributeShardsLike", "indexBuckets" ].forEach(function(p) {
+      "distributeShardsLike", "indexBuckets", "id" ].forEach(function(p) {
       if (properties.hasOwnProperty(p)) {
         body[p] = properties[p];
       }
diff --git a/js/apps/system/_admin/aardvark/APP/frontend/js/modules/common/@arangodb/aql/explainer.js b/js/apps/system/_admin/aardvark/APP/frontend/js/modules/common/@arangodb/aql/explainer.js
index 523a11c59b..f76f6a792e 100644
--- a/js/apps/system/_admin/aardvark/APP/frontend/js/modules/common/@arangodb/aql/explainer.js
+++ b/js/apps/system/_admin/aardvark/APP/frontend/js/modules/common/@arangodb/aql/explainer.js
@@ -695,7 +695,6 @@ function processQuery (query, explain) {
           rc += "  , " + variableName(node.pathOutVariable) +
             "  " + annotation("/* paths */");
         }
-        require("internal").print(node);
         rc += "  " +
           keyword("IN") + " " +
           value(node.minMaxDepth) + "  " + annotation("/* min..maxPathDepth */") + "  ";
diff --git a/js/client/modules/@arangodb/arango-database.js b/js/client/modules/@arangodb/arango-database.js
index 059ceec349..4dcf746726 100644
--- a/js/client/modules/@arangodb/arango-database.js
+++ b/js/client/modules/@arangodb/arango-database.js
@@ -314,7 +314,7 @@ ArangoDatabase.prototype._create = function (name, properties, type) {
   if (properties !== undefined) {
     [ "waitForSync", "journalSize", "isSystem", "isVolatile",
       "doCompact", "keyOptions", "shardKeys", "numberOfShards",
-      "distributeShardsLike", "indexBuckets" ].forEach(function(p) {
+      "distributeShardsLike", "indexBuckets", "id" ].forEach(function(p) {
       if (properties.hasOwnProperty(p)) {
         body[p] = properties[p];
       }
diff --git a/js/common/tests/shell-collection.js b/js/common/tests/shell-collection.js
index 9533354d4f..88e6c89029 100644
--- a/js/common/tests/shell-collection.js
+++ b/js/common/tests/shell-collection.js
@@ -1,5 +1,5 @@
 /*jshint globalstrict:false, strict:false */
-/*global assertEqual, assertTypeOf, assertNotEqual, assertTrue, assertNull, assertUndefined, fail */
+/*global assertEqual, assertTypeOf, assertNotEqual, assertTrue, assertFalse, assertNull, assertUndefined, fail */
 
 ////////////////////////////////////////////////////////////////////////////////
 /// @brief test the collection interface
@@ -205,6 +205,80 @@ function CollectionSuiteErrorHandling () {
 function CollectionSuite () {
   return {
 
+////////////////////////////////////////////////////////////////////////////////
+/// @brief create with id
+////////////////////////////////////////////////////////////////////////////////
+
+    testCreateWithId : function () {
+      var cn = "example", id = "1234567890";
+
+      db._drop(cn);
+      db._drop(id);
+      var c1 = db._create(cn, { id: id });
+
+      assertTypeOf("string", c1._id);
+      assertEqual(id, c1._id);
+      assertEqual(cn, c1.name());
+      assertTypeOf("number", c1.status());
+
+      var c2 = db._collection(cn);
+
+      assertEqual(c1._id, c2._id);
+      assertEqual(c1.name(), c2.name());
+      assertEqual(c1.status(), c2.status());
+
+      db._drop(cn);
+    },
+
+////////////////////////////////////////////////////////////////////////////////
+/// @brief isSystem
+////////////////////////////////////////////////////////////////////////////////
+
+    testCreateWithIsSystem : function () {
+      var cn = "example";
+
+      db._drop(cn);
+      var c1 = db._create(cn, { isSystem: true });
+
+      assertTypeOf("string", c1._id);
+      assertEqual(cn, c1.name());
+      assertFalse(c1.properties().isSystem);
+
+      db._drop(cn);
+    },
+
+////////////////////////////////////////////////////////////////////////////////
+/// @brief isSystem
+////////////////////////////////////////////////////////////////////////////////
+
+    testCreateWithUnderscoreNoIsSystem : function () {
+      var cn = "_example";
+
+      db._drop(cn);
+      try {
+        db._create(cn, { isSystem: false });
+        fail();
+      }
+      catch (err) {
+        assertEqual(ERRORS.ERROR_ARANGO_ILLEGAL_NAME.code, err.errorNum);
+      }
+
+      db._drop(cn);
+    },
+
+////////////////////////////////////////////////////////////////////////////////
+/// @brief isSystem
+////////////////////////////////////////////////////////////////////////////////
+
+    testCreateWithUnderscoreWithIsSystem : function () {
+      var cn = "_example";
+
+      db._drop(cn);
+      var c1 = db._create(cn, { isSystem: true });
+      assertTrue(c1.properties().isSystem);
+      db._drop(cn);
+    },
+
 ////////////////////////////////////////////////////////////////////////////////
 /// @brief long name
 ////////////////////////////////////////////////////////////////////////////////