206 



ALLAX HANCOCK PACIFIC EXPEDITIONS 



VOL. 1 1 



PLATE 75 



Fiji. 1+9. Tcthya auraniia (PnUas). 



Fiji. liO. Tcthya aurantia (Pallas), cross-section showing radial 

 structure, the cortical rej^ion, and the denser central portion. 



