The Compound

compound ayac are moal common! y found in In-»aci« the wuwatlon betow cievly ahowa (hat the hauhlty, and aimaer iniscta. luve oyaa whlch ara fei campftcatad ai riuua wmcfl m* luve m u aaaantmy a atructwe wttti thouaanda of tlny ayaa to prarkse mailmum vliibllty in auch a tlny ttructm1» u tha aya of an knaect. in daytlma inaecta. aach et tha thouaand« of mnaaleta tacusoa ight dlractty ontb tu own iat ol ptoiateeaptot ceüa. In nightlm* imocti tha ugh1 u marvaloualy bem conönualfy u h piuu down a (aber optici) tuba-thu* («cuaivg all tha mghf »rom dl ayaa onta a lingla pöint on ihe r«iin*i muatratad jun bsiow ii ma daytim* Ineact metftod- tha ntghtlm* ln-aact uxa tha melhod ahown at tha bottom of th» p*o» wrlaraby light lc bau continupualy.

THE MACKUMH CfTUSTAQSAN fVt ttia»e ara thraa rfiflararri typ*« of compound tytl on* la in dlurtul (daytlma^ ina* el» a mc«nd in noc lumal (nlghtllmei knaacu. and a thlrd typ« ir> ovale-caana at 4ha ■ubordar mapna« thnt inetixj« va*t*r», »hrktw tnd crwy*»h«i th« lyti of thaaa caature» conalrt ot ■ hundrada of mlrrof-uned tuba» whlch roh »et kght ooto a akrgie «po< on th* ratina, h »aanot unta 1976 thai «ntionwu dtacovarad ümi th» micfiwfenfe mm »»i arrey vf mirror» m accomoíah tha focualng taak, thla ta eomeli&ated in tha axuamel bvt (ha ihrlmo* an mit proud of tmr acccmpilafv rrtant. bacauae th*y dld rwt mah* thalr ayaa. thay woutd not havt th« righten idea hov» to do lt. on tha iat. bdow. w a diagram of tha hghvbanding nlghtima inaecli. and an tha rigtn. tha minor linad lubas o( (ha macrura.

nichtime insect eve macrura eve

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