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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 Piuifx1fhyBYIFnapxigp1wUG1ZVfFGlVIOCf19O3CEDrsg6mOIgvGBMlqMhr6wk
 E0LL+gaqko/cFCxkSqWXXQ==

<SEC-DOCUMENT>0001179110-05-002570.txt : 20050207
<SEC-HEADER>0001179110-05-002570.hdr.sgml : 20050207
<ACCEPTANCE-DATETIME>20050207135903
ACCESSION NUMBER:		0001179110-05-002570
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20050204
FILED AS OF DATE:		20050207
DATE AS OF CHANGE:		20050207

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			FORSYTH GERALD FREDERICK
		CENTRAL INDEX KEY:			0001218529

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-17139
		FILM NUMBER:		05579921

	BUSINESS ADDRESS:	
		STREET 1:		120 TERESITA WAY
		CITY:			LOS GATOS
		STATE:			CA
		ZIP:			95032

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			GENUS INC
		CENTRAL INDEX KEY:			0000837913
		STANDARD INDUSTRIAL CLASSIFICATION:	SPECIAL INDUSTRY MACHINERY, NEC [3559]
		IRS NUMBER:				942790804
		STATE OF INCORPORATION:			CA
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		1139 KARLSTAD DRIVE
		CITY:			SUNNYVALE
		STATE:			CA
		ZIP:			94089-2117
		BUSINESS PHONE:		4087477120

	MAIL ADDRESS:	
		STREET 1:		1139 KARLSTAD DRIVE
		CITY:			SUNNYVALE
		STATE:			CA
		ZIP:			94089-2117
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>FORM 4 -
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2005-02-04</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000837913</issuerCik>
        <issuerName>GENUS INC</issuerName>
        <issuerTradingSymbol>GGNS</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001218529</rptOwnerCik>
            <rptOwnerName>FORSYTH GERALD FREDERICK</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>1139 KARLSTAD DRIVE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>SUNNYVALE</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94089</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable></nonDerivativeTable>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Non-qualified Stock Option (right to buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>2.06</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2005-02-04</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>7500</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>2.06</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <value>2005-02-04</value>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <value>2015-02-04</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>7500</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>7500</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">All shares subject to the Option shall vest and become exercisable with immediate effect.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ G. Frederick Forsyth</signatureName>
        <signatureDate>2005-02-07</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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