<?xml version="1.0" encoding="utf-8"?>
<!--
Taxonomy based on XBRL standard Version 2.1.
Created by UBmatrix Taxonomy Designer 3.0.2681.0 (2007-02-06 18:45).  
Contact www.ubmatrix.com
Copyright (c) 2002-2007 UBmatrix inc., All Rights Reserved
Produced on 2007-03-02 19:05:36
-->
<schema xmlns="http://www.w3.org/2001/XMLSchema" xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:ci="http://www.xbrl.us/patterns/2007/GroupedReport" targetNamespace="http://www.xbrl.us/patterns/2007/GroupedReport" elementFormDefault="qualified" attributeFormDefault="unqualified">
  <annotation>
    <appinfo>
      <link:linkbaseRef xlink:type="simple" xlink:href="GroupedReport-label.xml" xlink:role="http://www.xbrl.org/2003/role/labelLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:title="Label Links, all" />
      <link:linkbaseRef xlink:type="simple" xlink:href="GroupedReport-presentation.xml" xlink:role="http://www.xbrl.org/2003/role/presentationLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:title="Presentation Links, all" />
      <link:linkbaseRef xlink:type="simple" xlink:href="GroupedReport-calculation.xml" xlink:role="http://www.xbrl.org/2003/role/calculationLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:title="Calculation Links, all" />
    </appinfo>
  </annotation>
  <import namespace="http://www.xbrl.org/2003/instance" schemaLocation="http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd" />
  <complexType name="TermItemType">
    <simpleContent>
      <restriction base="xbrli:stringItemType">
        <enumeration value="Short Term" />
        <enumeration value="Long Term" />
      </restriction>
    </simpleContent>
  </complexType>
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    <complexType>
      <complexContent>
        <restriction base="anyType">
          <sequence>
            <element ref="ci:InvestmentKey" minOccurs="1" maxOccurs="1" />
            <element ref="ci:InvestmentTerm" minOccurs="1" maxOccurs="1" />
            <element ref="ci:InvestmentCountry" minOccurs="1" maxOccurs="1" />
            <element ref="ci:InvestmentType" minOccurs="1" maxOccurs="1" />
            <element ref="ci:InvestmentEntity" minOccurs="1" maxOccurs="1" />
            <element ref="ci:InvestmentDescription" minOccurs="1" maxOccurs="1" />
            <element ref="ci:InvestmentMoodysRating" minOccurs="0" maxOccurs="1" />
            <element ref="ci:InvestmentSPRating" minOccurs="0" maxOccurs="1" />
            <element ref="ci:InvestmentShares" minOccurs="1" maxOccurs="1" />
            <element ref="ci:InvestmentValueAtCost" minOccurs="1" maxOccurs="1" />
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          <attribute name="id" type="ID" use="optional" />
        </restriction>
      </complexContent>
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  <element id="ci_InvestmentDescription" name="InvestmentDescription" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" />
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  <element id="ci_InvestmentMoodysRating" name="InvestmentMoodysRating" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" />
  <element id="ci_InvestmentsAtCost" name="InvestmentsAtCost" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" />
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  <element id="ci_InvestmentTerm" name="InvestmentTerm" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" />
  <element id="ci_InvestmentType" name="InvestmentType" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" />
  <element id="ci_InvestmentValueAtCost" name="InvestmentValueAtCost" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" />
  <element id="ci_PortfolioInvestments" name="PortfolioInvestments" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" />
  <element id="ci_ScheduleOfInvestmentsTextBlock" name="ScheduleOfInvestmentsTextBlock" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" />
  <element id="ci_SummaryOfInvestments" name="SummaryOfInvestments" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" />
</schema>
