PLaTE 19. 
1-8. Salenia miliaris A. Ag. 
Part of the actinal system of the same specimen as PI. 17, fig. 3, measuring 16 mm. in 
diameter; Station 3415. 
Spheridia at actinostome of left anterior ambulacrum of specimen measuring 15 min. 
in diameter; Station 3362. 
The third plate from the actinostome of the right anterior interambulacrum of 
specimen of Pl. 17, figs. 1, 2, measuring 13 mm. ; Station 3560. 
Showing the striated structure of the interior of a primary plate (the third plate from 
the actinostome) of the right anterior interambulacrum with the adjoining plates 
of the odd ambulacrum of the same specimen as PI. 17, fig. 8, measuring 16 mm. in 
didmeter ; Station 3413. 
Showing the striated structure of primary interambulacral plate of the odd posterior 
interambulacrum of same specimen as fig. 2, seen from the interior. 
Section across the fifth primary interambulacral tubercle of same specimen as fig. 2. 
Lower part of primary interambulacral radiole from specimen measuring 14 mm. in 
diameter; Station 3413. 
Upper part of the same spine. 
| 
| 
