diff --git a/c/xlib/Makefile b/c/xlib/Makefile
index 3946b5d..ace9be0 100644
--- a/c/xlib/Makefile
+++ b/c/xlib/Makefile
@@ -1,4 +1,4 @@
-OBJECTS = main.o display.o window.o type.o color.o colormap.o pixel.o gcontext.o event.o pixmap.o graphics.o font.o cursor.o text.o property.o wm.o client.o key.o error.o extension.o init.o util.o grab.o visual.o
+OBJECTS = main.o display.o window.o type.o color.o colormap.o pixel.o gcontext.o event.o pixmap.o graphics.o font.o cursor.o text.o property.o wm.o client.o key.o error.o extension.o init.o util.o grab.o visual.o region.o
 
 $(OBJECTS): xlib.h
 .c.o:
diff --git a/c/xlib/main.c b/c/xlib/main.c
index 46c6ef2..b969637 100644
--- a/c/xlib/main.c
+++ b/c/xlib/main.c
@@ -23,6 +23,7 @@ extern void scx_init_init();
 extern void scx_init_util();
 extern void scx_init_grab();
 extern void scx_init_visual();
+extern void scx_init_region();
 
 
 int main(){
@@ -50,6 +51,7 @@ int main(){
   s48_add_external_init(scx_init_util);
   s48_add_external_init(scx_init_grab);
   s48_add_external_init(scx_init_visual);
+  s48_add_external_init(scx_init_region);
 
   s48_main(8000000, 64000, 
 	   "/afs/wsi/home/dfreese/i386_fbsd43/scsh-0.6/lib/scheme48/scsh.image",
diff --git a/c/xlib/xlib.h b/c/xlib/xlib.h
index de5418a..2e154c3 100644
--- a/c/xlib/xlib.h
+++ b/c/xlib/xlib.h
@@ -52,6 +52,8 @@ extern char* s48_extract_symbol(s48_value);
 #define SCX_EXTRACT_FONTSTRUCT(x) (XFontStruct*)s48_extract_integer(x)
 #define SCX_ENTER_VISUAL(x) s48_enter_integer((long)x)
 #define SCX_EXTRACT_VISUAL(x) (Visual*)s48_extract_integer(x)
+#define SCX_ENTER_REGION(x) s48_enter_integer((long)x)
+#define SCX_EXTRACT_REGION(x) (Region)s48_extract_integer(x)
 
 extern unsigned long AList_To_XWindowChanges(s48_value alist, 
 					     XWindowChanges* WC);
diff --git a/scheme/xlib/xlib-interfaces.scm b/scheme/xlib/xlib-interfaces.scm
index 553454e..f127118 100644
--- a/scheme/xlib/xlib-interfaces.scm
+++ b/scheme/xlib/xlib-interfaces.scm
@@ -144,7 +144,9 @@
 	  parse-color
 	  alloc-color-cells
 	  set-color-cell
+	  set-color-cells
 	  create-colormap
+	  copy-colormap-and-free
 	  ))
 
 (define-interface xlib-pixel-interface
@@ -440,7 +442,30 @@
 	  visual-id
 	  match-visual-info
 	  ))
-	  
+
+(define-interface xlib-region-interface
+  (export region?
+	  destroy-region
+	  create-region
+	  clip-box
+	  region-empty?
+	  region-equal?
+	  point-in-region?
+	  rectangle-in-region?
+	  intersect-region
+	  union-region
+	  union-rectangle-with-region
+	  subtract-region
+	  xor-region
+	  offset-region!
+	  shrink-region!
+	  polygon-region
+	  set-region
+	  copy-region!
+	  duplicate-region
+	  offset-region
+	  shrink-region))
+
 ;; all together
 
 (define-interface xlib-interface
@@ -466,4 +491,5 @@
 		      xlib-utility-interface
 		      xlib-grab-interface
 		      xlib-visual-interface
+		      xlib-region-interface
 		      ))
\ No newline at end of file
diff --git a/scheme/xlib/xlib-packages.scm b/scheme/xlib/xlib-packages.scm
index 8d0ec2e..c1e1034 100644
--- a/scheme/xlib/xlib-packages.scm
+++ b/scheme/xlib/xlib-packages.scm
@@ -156,6 +156,12 @@
 	xlib-types)
   (files visual))
 
+(define-structure xlib-region xlib-region-interface
+  (open scheme
+	external-calls
+	xlib-types)
+  (files region))
+
 ;; all together
 
 (define-structure xlib xlib-interface
@@ -181,5 +187,6 @@
 	xlib-utility
 	xlib-grab
 	xlib-visual
+	xlib-region
 	)
   (optimize auto-integrate))
diff --git a/scheme/xlib/xlib-type-interfaces.scm b/scheme/xlib/xlib-type-interfaces.scm
index 8c1f405..b8f3d39 100644
--- a/scheme/xlib/xlib-type-interfaces.scm
+++ b/scheme/xlib/xlib-type-interfaces.scm
@@ -96,6 +96,17 @@
 	  cursor-Xcursor
 	  free-cursor))
 
+(define-interface xlib-visual-type-interface
+  (export visual?
+	  make-visual
+	  visual-Xvisual))
+
+(define-interface xlib-region-type-interface
+  (export region?
+	  make-region
+	  destroy-region
+	  region-Xregion))
+
 ;; all in one
 
 (define-interface xlib-types-interface
@@ -113,4 +124,6 @@
    xlib-font-type-interface
    xlib-atom-type-interface
    xlib-cursor-type-interface
+   xlib-visual-type-interface
+   xlib-region-type-interface
    ))
\ No newline at end of file
diff --git a/scheme/xlib/xlib-type-package.scm b/scheme/xlib/xlib-type-package.scm
index 3216626..997da76 100644
--- a/scheme/xlib/xlib-type-package.scm
+++ b/scheme/xlib/xlib-type-package.scm
@@ -29,4 +29,5 @@
 	 font-type
 	 atom-type
 	 cursor-type
-	 visual-type))
\ No newline at end of file
+	 visual-type
+	 region-type))
\ No newline at end of file