diff --git a/applications/test/ThermoMixture/Make/files b/applications/test/ThermoMixture/Make/files
new file mode 100644
index 0000000000..8a122d0e0b
--- /dev/null
+++ b/applications/test/ThermoMixture/Make/files
@@ -0,0 +1,4 @@
+
+ThermoMixture.C
+
+EXE = $(FOAM_APPBIN)/ThermoMixture
diff --git a/applications/test/ThermoMixture/Make/options b/applications/test/ThermoMixture/Make/options
new file mode 100644
index 0000000000..98bf79aaa4
--- /dev/null
+++ b/applications/test/ThermoMixture/Make/options
@@ -0,0 +1,5 @@
+EXE_INC = \
+    -I$(LIB_SRC)/thermophysicalModels/specie/lnInclude
+
+EXE_LIBS = \
+    -lspecie
diff --git a/applications/test/ThermoMixture/ThermoMixture.C b/applications/test/ThermoMixture/ThermoMixture.C
new file mode 100644
index 0000000000..14c71e9b01
--- /dev/null
+++ b/applications/test/ThermoMixture/ThermoMixture.C
@@ -0,0 +1,62 @@
+/*---------------------------------------------------------------------------*\
+  =========                 |
+  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
+   \\    /   O peration     |
+    \\  /    A nd           | Copyright (C) 2012 OpenFOAM Foundation
+     \\/     M anipulation  |
+-------------------------------------------------------------------------------
+License
+    This file is part of OpenFOAM.
+
+    OpenFOAM is free software: you can redistribute it and/or modify it
+    under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
+    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+    for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with OpenFOAM.  If not, see <http://www.gnu.org/licenses/>.
+
+Application
+    ThermoMixture
+
+Description
+
+\*---------------------------------------------------------------------------*/
+
+#include "dictionary.H"
+#include "IFstream.H"
+#include "constTransport.H"
+#include "specieThermo.H"
+#include "hConstThermo.H"
+#include "perfectGas.H"
+
+using namespace Foam;
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+// Main program:
+
+int main(int argc, char *argv[])
+{
+    typedef constTransport<specieThermo<hConstThermo<perfectGas> > > ThermoType;
+
+    IFstream f("thermoDict");
+    dictionary dict(f);
+
+    ThermoType t1(dict.subDict("specie1"));
+    ThermoType t2(dict.subDict("specie2"));
+
+    Info << "W= " << t1.W() << " " << t2.W() << " " << (t1+t2).W() << endl;
+    Info << "Cp= " << t1.cp(1) << " " << t2.cp(1) << " " << (t1+t2).cp(1) << endl;
+
+    Info<< "\nEnd\n" << endl;
+
+    return 0;
+}
+
+
+// ************************************************************************* //
diff --git a/applications/test/ThermoMixture/thermoDict b/applications/test/ThermoMixture/thermoDict
new file mode 100644
index 0000000000..9b439490df
--- /dev/null
+++ b/applications/test/ThermoMixture/thermoDict
@@ -0,0 +1,41 @@
+specie1
+{
+   specie
+   {
+      nMoles 1;
+      molWeight 1;
+   }
+
+   thermodynamics
+   {
+      Cp 1;
+      Hf 0;
+   }
+
+   transport
+   {
+      mu 1;
+      Pr 1;
+   }
+}
+
+specie2
+{
+   specie
+   {
+      nMoles 1;
+      molWeight 0.5;
+   }
+
+   thermodynamics
+   {
+      Cp 2;
+      Hf 0;
+   }
+
+   transport
+   {
+      mu 1;
+      Pr 1;
+   }
+}