<?xml version="1.0"?>
<edgarSubmission>

    <schemaVersion>X0101</schemaVersion>

    <submissionType>EFFECT</submissionType>

    <act>33</act>

    <testOrLive>LIVE</testOrLive>

    <effectiveData>
        <finalEffectivenessDispDate>2008-10-27</finalEffectivenessDispDate>
        <finalEffectivenessDispTime>15:50:00</finalEffectivenessDispTime>
        <form>N-14</form>
        <filer>
            <cik>0000708950</cik>
            <entityName>CALVERT VARIABLE SERIES INC</entityName>
            <fileNumber>333-153513</fileNumber>
            <seriesClassContractData>
                <merger>
                    <acquiringCik>0000708950</acquiringCik>
                    <acquiringEntityName>CALVERT VARIABLE SERIES INC</acquiringEntityName>
                    <acquiringSeriesId>S000008736</acquiringSeriesId>
                    <acquiringSeriesName>Calvert Income</acquiringSeriesName>
                    <acquiringClassContractId>C000023794</acquiringClassContractId>
                    <acquiringClassContractName>Calvert Income</acquiringClassContractName>
                    <targetCik>0000743773</targetCik>
                    <targetEntityName>SUMMIT MUTUAL FUNDS INC</targetEntityName>
                    <targetSeriesId>S000010990</targetSeriesId>
                    <targetSeriesName>Bond Portfolio</targetSeriesName>
                    <targetClassContractId>C000030366</targetClassContractId>
                    <targetClassContractName>Bond Portfolio - I Class</targetClassContractName>
                </merger>
            </seriesClassContractData>
        </filer>
    </effectiveData>
</edgarSubmission>
