Plate 44. 

 1-5. Phormosoina hispidum A. Ag. 



"5 



1. Actinal system of a young specimen 15 mm. in diameter, the same as PI. 43, fig. 5^ 



seen from the interior, showing the young auricles; Station 3362. 



2. Interior view of the actinal system of an older specimen 43 mm. in diameter; Station 



3392. 



3. Interior view of actinal system and auricles of a specimen 61 mm. in diameter; Sv 



tion 3375. --■ 



"* 



4. The astinal system and auricles of a specimen 137 mm. in diameter, seen from ths 



interior ; Station 3392. 



5. The actinal part of the odd anterior ambulacrum of the same specimen as fig. 4, MtB| 

 from the exterior. 



« 



