diff --git a/src/components/graph/graph.js b/src/components/graph/graph.js
index b78b2599..1c240217 100644
--- a/src/components/graph/graph.js
+++ b/src/components/graph/graph.js
@@ -21,8 +21,11 @@ import {
   scaleRGB,
 } from "./util";
 
+/* https://bl.ocks.org/mbostock/9078690 - quadtree for onClick / hover selections */
+
+
 // set constants
-const count = 1993
+const count = 39746
 
 
 @connect((state) => {
diff --git a/src/globals.js b/src/globals.js
index ea288c8c..542b25bc 100644
--- a/src/globals.js
+++ b/src/globals.js
@@ -38,11 +38,11 @@ export const bolder = 700;
 
 export let API = {
   // prefix: "http://api.clustering.czi.technology/api/",
-  // prefix: "http://tabulamuris.cxg.czi.technology/api/",
+  prefix: "http://tabulamuris.cxg.czi.technology/api/",
   // prefix: "http://pbmc3k.cxg.czi.technology/api/",
   // prefix: "http://pbmc33k.cxg.czi.technology/api/",
 
-  prefix: "http://api-staging.clustering.czi.technology/api/",
+  // prefix: "http://api-staging.clustering.czi.technology/api/",
   version: "v0.1/",
 }