Fig. 45— AULOGRAPHIS SPECIES 



Sector of one of the complex Radiolaria belonging to the Legion Tripylea, or forms with three 

 openings (pylea) into the central capsule. Cat, calymma or outer veil; C, central capsule; E, 

 endoplasm with nucleus; P and S, primary and secondary openings into central capsule; Ph, 

 phaeodium or nitrogenous waste; spicules of different shapes are embedded throughout the 



protoplasm 



From "The Voyage of the Challenger" 



Highly magnified 



79 



