diff --git a/extern/ion-definitions b/extern/ion-definitions
index a0262fd48..526d90ffc 160000
--- a/extern/ion-definitions
+++ b/extern/ion-definitions
@@ -1 +1 @@
-Subproject commit a0262fd48bbefabacccba1a6e5e933ffdd0236d2
+Subproject commit 526d90ffc93bf02f61d806ffc48c59b02c95bc84
diff --git a/ion/services/coi/resource_registry_service.py b/ion/services/coi/resource_registry_service.py
index 7b5a77b36..52b02f23c 100644
--- a/ion/services/coi/resource_registry_service.py
+++ b/ion/services/coi/resource_registry_service.py
@@ -105,9 +105,9 @@ def read_object(self, subject="", predicate="", object_type="", assoc="", id_onl
             object_type=object_type, assoc=assoc, id_only=id_only)
 
     @mask_couch_error
-    def find_objects(self, subject="", predicate="", object_type="", id_only=False):
+    def find_objects(self, subject="", predicate="", object_type="", id_only=False, limit=0, skip=0, descending=False):
         return self.resource_registry.find_objects(subject=subject, predicate=predicate,
-            object_type=object_type, id_only=id_only)
+            object_type=object_type, id_only=id_only, limit=limit, skip=skip, descending=descending)
 
     @mask_couch_error
     def read_subject(self, subject_type="", predicate="", object="", assoc="", id_only=False):
@@ -115,14 +115,14 @@ def read_subject(self, subject_type="", predicate="", object="", assoc="", id_on
             object=object, assoc=assoc, id_only=id_only)
 
     @mask_couch_error
-    def find_subjects(self, subject_type="", predicate="", object="", id_only=False):
+    def find_subjects(self, subject_type="", predicate="", object="", id_only=False, limit=0, skip=0, descending=False):
         return self.resource_registry.find_subjects(subject_type=subject_type, predicate=predicate,
-            object=object, id_only=id_only)
+            object=object, id_only=id_only, limit=limit, skip=skip, descending=descending)
 
     @mask_couch_error
-    def find_associations(self, subject="", predicate="", object="", assoc_type=None, id_only=False):
+    def find_associations(self, subject="", predicate="", object="", assoc_type=None, id_only=False, limit=0, skip=0, descending=False):
         return self.resource_registry.find_associations(subject=subject, predicate=predicate,
-            object=object, assoc_type=assoc_type, id_only=id_only)
+            object=object, assoc_type=assoc_type, id_only=id_only, limit=limit, skip=skip, descending=descending)
     @mask_couch_error
     def find_objects_mult(self, subjects=[], id_only=False):
         return self.resource_registry.find_objects_mult(subjects=subjects, id_only=id_only)