TheTfcyage of H.M.S.' Challenger! 



Eadiolaria.Pl. 68. 



8. 





mm 







'■ 5c ' £Giltseh,.Tena Iriftogr 



1 AXOCORYS, 2 3 CYCLADOPHOR A, 4.5 THEOSYRI NG IU M , 6. PTEROSYRI NGIU M, 

 T PTEROCANIUM, 8 .9. THYRSOCYRTI S ,10 11 R H OPALATR A CTUS, 

 12.DICTYATRACTUS, 13. H EXALATRAGTUS . 



