Tlu'Miv.iof of H.MS Challenger! 



M 5(i 







G v 



mm 



2. SETHOMELISSA , .'I.4. PSILOM ELISSA , 5. PENTAPHOR MIS , (i. HEXAPHORMIS 



7, CEPHALOPYRAMIS , 8.9, SETHOPYRAMIS , 10. PLECTOPYR AMIS , 



11.12. ARAC'HNOCORYS , L3. SETHOC EPHALU S . 



