diff --git a/src/thermophysicalModels/basic/psiThermo/psiThermos.C b/src/thermophysicalModels/basic/psiThermo/psiThermos.C
index f73f2e4ca0..b8001e314c 100644
--- a/src/thermophysicalModels/basic/psiThermo/psiThermos.C
+++ b/src/thermophysicalModels/basic/psiThermo/psiThermos.C
@@ -29,6 +29,7 @@ License
 #include "specie.H"
 #include "perfectGas.H"
 #include "PengRobinsonGas.H"
+#include "rhoConst.H"
 #include "hConstThermo.H"
 #include "eConstThermo.H"
 #include "janafThermo.H"
@@ -53,6 +54,18 @@ namespace Foam
 
 /* * * * * * * * * * * * * * * * * Enthalpy-based * * * * * * * * * * * * * */
 
+makeThermo
+(
+    psiThermo,
+    hePsiThermo,
+    pureMixture,
+    constTransport,
+    sensibleEnthalpy,
+    hConstThermo,
+    rhoConst,
+    specie
+);
+
 makeThermo
 (
     psiThermo,
diff --git a/src/thermophysicalModels/reactionThermo/mixtures/basicMultiComponentMixture/basicMultiComponentMixture.C b/src/thermophysicalModels/reactionThermo/mixtures/basicMultiComponentMixture/basicMultiComponentMixture.C
index 2ad347e150..f0974f19dc 100644
--- a/src/thermophysicalModels/reactionThermo/mixtures/basicMultiComponentMixture/basicMultiComponentMixture.C
+++ b/src/thermophysicalModels/reactionThermo/mixtures/basicMultiComponentMixture/basicMultiComponentMixture.C
@@ -2,7 +2,7 @@
   =========                 |
   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
    \\    /   O peration     |
-    \\  /    A nd           | Copyright (C) 2011 OpenFOAM Foundation
+    \\  /    A nd           | Copyright (C) 2011-2014 OpenFOAM Foundation
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
 License
@@ -25,6 +25,13 @@ License
 
 #include "basicMultiComponentMixture.H"
 
+// * * * * * * * * * * * * * Static Member Functions * * * * * * * * * * * * //
+
+namespace Foam
+{
+    defineTypeNameAndDebug(basicMultiComponentMixture, 0);
+}
+
 // * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
 Foam::basicMultiComponentMixture::basicMultiComponentMixture
@@ -39,6 +46,12 @@ Foam::basicMultiComponentMixture::basicMultiComponentMixture
 {
     forAll(species_, i)
     {
+        if (debug)
+        {
+            Info<< "basicMultiComponentMixture: looking for " << species_[i]
+                << endl;
+        }
+
         IOobject header
         (
             species_[i],
@@ -50,6 +63,12 @@ Foam::basicMultiComponentMixture::basicMultiComponentMixture
         // check if field exists and can be read
         if (header.headerOk())
         {
+            if (debug)
+            {
+                Info<< "basicMultiComponentMixture: reading " << species_[i]
+                    << endl;
+            }
+
             Y_.set
             (
                 i,
@@ -69,6 +88,12 @@ Foam::basicMultiComponentMixture::basicMultiComponentMixture
         }
         else
         {
+            if (debug)
+            {
+                Info<< "basicMultiComponentMixture: specie " << species_[i]
+                    << " not found - looking for Ydefault" << endl;
+            }
+
             volScalarField Ydefault
             (
                 IOobject