SPUMELLARIA ET NASSELLARIA. TAF. 50. 



Tk'YoYurip f H.M.S.' Challenger ! 



Radiolaria PI 84.. 



- 



s h.Jena.Lifhogr. 



TRIPODOSPYRIS, 9-12 TR I CERASPYRIS , 13-15 TRI STYLOSPYRIS 



